Insect-pests - Biology East Borneo
Insect-pests - Biology East Borneo
Insect-pests - Biology East Borneo
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<strong>Insect</strong> Pests and Diseases<br />
in Indonesian Forests<br />
An assessment<br />
of the major threats,<br />
research efforts<br />
and literature<br />
K.S.S. Nair (Editor)
<strong>Insect</strong> Pests and Diseases<br />
in Indonesian Forests<br />
AN ASSESSMENT OF THE MAJOR THREATS,<br />
RESEARCH EFFORTS AND LITERATURE<br />
Editor<br />
K.S.S. Nair
© 2000 by Center for International Forestry Research<br />
All rights reserved. Published in December 2000<br />
Printed by SMT Grafika Desa Putera, Indonesia<br />
Cover photos by Levania Santoso<br />
ISBN 979-8764-52-8<br />
Nair, K.S.S. (ed.). 2000. <strong>Insect</strong> <strong>pests</strong> and diseases in Indonesian forests:<br />
an assessment of the major threats, research efforts and literature.<br />
Center for International Forestry Research, Bogor, Indonesia. 101p.<br />
Published by<br />
Center for International Forestry Research<br />
Bogor, Indonesia<br />
P.O. Box 6596 JKPWB, Jakarta 10065, Indonesia<br />
Tel.: +62 (251) 622622; Fax: +62 (251) 622100<br />
E-mail: cifor@cgiar.org<br />
Web site: http://www.cifor.cgiar.org
Contents<br />
Acknowledgements<br />
Abstract<br />
vi<br />
vii<br />
1. Introduction<br />
K.S.S. Nair<br />
1.1. Background 1<br />
1.2. Objectives 1<br />
1.3. Methodology 2<br />
1.4. Presentation 2<br />
2. The State of the Forest and Plantation Trends<br />
C. Cossalter and K.S.S. Nair<br />
2.1. A time of change 3<br />
2.2. Forest types, area and policies 3<br />
2.3. Forest concession right and plantation development 4<br />
2.4. Plantation trends-areas and species 6<br />
2.5. Forest plantations in perspective 8<br />
3. General Scenario of Pests and Diseases in Natural Forests<br />
and Plantations in Indonesia<br />
K.S.S. Nair and Sumardi<br />
3.1. Natural forests 11<br />
3.2. Plantations 12<br />
3.3. Comparison between plantations and natural forests 12<br />
4. <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
K.S.S. Nair and Sumardi<br />
4.1. Acacia mangium and other Acacia spp. 15<br />
4.2. Agathis dammara 19<br />
4.3. Alstonia spp. 20<br />
4.4. Anthocephalus cadamba 20<br />
4.5. Azadirachta excelsa 21<br />
4.6. Dalbergia spp. 21<br />
4.7. Dipterocarpaceae (Dipterocarps) 22
4.8. Dyera spp. 24<br />
4.9. Eucalyptus spp. 24<br />
4.10. Eusideroxylon zwageri 26<br />
4.11. Gmelina arborea 26<br />
4.12. Gonystylus bancanus 27<br />
4.13. Koompassia species 28<br />
4.14. Maesopsis eminii 28<br />
4.15. Mangrove species 28<br />
4.16. Melaleuca cajuputi 29<br />
4.17. Ochroma pyramidale 30<br />
4.18. Octomeles sumatrana 30<br />
4.19. Paraserianthes falcataria 31<br />
4.20. Peronema canescens 33<br />
4.21. Pinus merkusii 33<br />
4.22. Schleichera oleosa 35<br />
4.23. Swietenia macrophylla 35<br />
4.24. Tectona grandis 37<br />
5. General Conclusions<br />
K.S.S. Nair and Sumardi<br />
5.1. Summary of present problems and future threats 39<br />
5.2. The research scenario 43<br />
5.3. Outlook for future 44<br />
Literature Cited 45<br />
6. Bibliography of <strong>Insect</strong> Pests and Diseases<br />
L. Santoso and K.S.S. Nair<br />
6.1. <strong>Insect</strong> Pests 57<br />
6.2. Diseases 70<br />
6.3. Bibliography Indexes 79<br />
Indexes 87
List of Tables<br />
Table 2.1. Forest categories as per forest land use by consensus 4<br />
Table 2.2. Forest plantations in Java in 1995 6<br />
Table 2.3. Industrial forest plantations (HTI) in the outer islands of Indonesia 6<br />
Table 2.4 Utilisation of HTI area for different purposes to 1998-99 7<br />
Table 2.5. Main species planted in the HTI in the outer islands 7<br />
Table 2.6. Species and area planted by some HTI companies 7<br />
Table 2.7. Projected wood production in 2018-19 from different sources 8<br />
Table 4.1. <strong>Insect</strong> <strong>pests</strong> of Acacia mangium in Indonesia 16<br />
Table 4.2. Diseases of Acacia mangium in Indonesia 17<br />
Table 4.3. <strong>Insect</strong> <strong>pests</strong> of dipterocarps in Indonesia 23<br />
Table 4.4. Diseases of dipterocarps in Indonesia 23<br />
Table 4.5. <strong>Insect</strong> <strong>pests</strong> of eucalypts in Indonesia 25<br />
Table 4.6. Diseases of eucalypts in Indonesia 25<br />
Table 4.7. <strong>Insect</strong> <strong>pests</strong> of mangroves in Indonesia 29<br />
Table 4.8. <strong>Insect</strong> <strong>pests</strong> of Paraserianthes falcataria in Indonesia 32<br />
Table 4.9. Diseases of Paraserianthes falcataria in Indonesia 32<br />
Table 4.10. <strong>Insect</strong> <strong>pests</strong> of Pinus merkusii in Indonesia 34<br />
Table 4.11. Diseases of Pinus merksii in Indonesia 35<br />
Table 4.12. <strong>Insect</strong> <strong>pests</strong> of teak in Indonesia 37<br />
Table 5.1. Summary of pest and disease problems for long-standing<br />
plantation species 40<br />
Table 5.2. Summary of pest and disease problems for<br />
new plantation species 41<br />
List of Figures<br />
Figure 2.1. The spread of forest plantations across Indonesia and<br />
the species planted in each province 9
Acknowledgements<br />
We thank Mr. E.A. Husaeni and Prof. Gunarwan Suratmo of Bogor Agricultural University;<br />
Prof. Ahmad Sultoni, Mr. Subyanto and Ms. Sri Rahayu of Gadjah Mada University;<br />
Dr. Daddy Ruhiyat, Mr. Encep Iskandar and Mr. CH. Soeyamto of Mulawarman University;<br />
Ms. Mieke Suharti and Mr. Erdy Santoso of Forestry and Estate Crops Research and<br />
Development Agency (FERDA); and Dr. John Poulsen of CIFOR for helpful discussions.<br />
We are grateful to all of them for enriching this study by sharing information and their<br />
personal experience. We also thank Dr. Ken MacDicken, Director of Research, CIFOR and<br />
Dr. J.W. Turnbull, whose editorial comments helped to improve the presentation. We received<br />
useful information on <strong>pests</strong> and diseases from Mr. S.S. Maurits and Mr. S.N. Sunaryo of<br />
PT Surya Hutani Jaya; and Mr. Canesio Munoz, Mr. Cheah Leong Chew and<br />
Mr. Lee Foo Wah of PT. Riau Andalan Pulp and Paper. Representatives of several<br />
plantation companies helped this study by providing statistics on plantations as well as<br />
information on <strong>pests</strong> and diseases. We thank all of them.
Abstract<br />
Major <strong>pests</strong> and diseases of natural and planted<br />
Indonesian forests have been reviewed, threats assessed<br />
and a bibliography compiled. Indonesia has about 96<br />
million hectares of natural forests, dominated by<br />
dipterocarps, and 4 million ha of forest plantations.<br />
About half the plantations are in Java, consisting of<br />
long-established species including Tectona grandis,<br />
Pinus merkusii, Agathis dammara, Swietenia<br />
macrophylla, Dalbergia latifolia and Melaleuca<br />
cajuputi, and half in Sumatra and Kalimantan, mainly<br />
fast growing pulpwood species. Major plantation<br />
species are: Tectona grandis, Pinus merkusii, Acacia<br />
mangium, Agathis dammara, Paraserianthes falcataria,<br />
Swietenia macrophylla, Gmelina arborea, mangrove<br />
species, Eucalyptus spp., Dalbergia spp., Melaleuca<br />
cajuputi and Azadirachta excelsa. Only small-scale<br />
plantations exist for the other species reviewed, viz.,<br />
Alstonia spp., Anthocephalus sp., Dipterocarpaceae,<br />
Dyera spp., Eusideroxylon zwageri, Gonystylus<br />
bancanus, Koompassia spp., Maesopsis eminii,<br />
Ochroma pyramidale, Octomeles sumatrana, Peronema<br />
canescens and Schleichera oleosa. Occasional and<br />
unpredictable insect outbreaks have occurred in natural<br />
stands of Pinus merkusii, Plaquium sp., Casuarina<br />
junghuhniana, mangroves, etc., but plantations of teak,<br />
pine, mahogany and Paraserianthes falcataria etc., are<br />
damaged by <strong>pests</strong> every year. In natural forests high<br />
host density appears to be a predisposing factor for pest<br />
build-up. Serious <strong>pests</strong> occur on Tectona grandis, Pinus<br />
merkusii, Paraserianthes falcataria and Swietenia<br />
macrophylla, with the most damaging being the<br />
Paraserianthes trunk borer, Xystrocera festiva. Disease<br />
problems are less significant than <strong>pests</strong> in the natural<br />
forests and no major disease outbreak has occurred in<br />
plantations, although many fungal diseases are prevalent<br />
in nurseries. No major pest or disease has been recorded<br />
on the minor plantation species, but their history is too<br />
short and planted areas too small to draw reliable<br />
conclusions on their susceptibility. There are indications<br />
of impending problems, e.g. root rot in Eucalyptus spp.<br />
and root and stem rot in Acacia mangium. There is also<br />
the risk of new <strong>pests</strong> in Acacia mangium, Gmelina<br />
arborea, Shorea spp. and Peronema sp. Research<br />
capacity in Indonesia is inadequate to meet the existing<br />
and future challenges and more collaboration between<br />
Government, universities and plantation companies is<br />
needed for pest and disease surveillance and research in<br />
the rapidly expanding forest plantations.
Chapter 1<br />
Introduction<br />
K.S.S. Nair<br />
1.1. Background<br />
Indonesia is a ‘forest country’. In 1993, the<br />
Indonesian Ministry of Forestry estimated (MoF 1993)<br />
that about three-quarters of the 193 million hectares<br />
(ha) of the land area, i.e., about 144 million ha, are<br />
covered by forest. FAO estimates in 1996 showed the<br />
forest area to be 96.2 million ha, i.e., about half of the<br />
land area, and there has been further reduction in<br />
forested land since then (Fox et al. 2000). This trend<br />
of deforestation has been continuing for some time.<br />
Shifting agriculture by indigenous communities and<br />
logging by forest concessionaires have created about<br />
30 million ha of secondary forests in the outer islands,<br />
particularly Sumatra and Kalimantan. These are often<br />
further degraded into grasslands. Apart from the early<br />
planting of nearly 2 million ha of teak, pine, mahogany,<br />
agathis and other species in Java for industrial<br />
purposes, planting programmes to rehabilitate<br />
degraded lands were initiated in the 1970s. In the<br />
1980s, the Government initiated an ambitious<br />
programme of Industrial Forest Plantations (Hutan<br />
Tanaman Industri, or HTI). Under this programme,<br />
intended to meet the raw material demands of forestbased<br />
industries, ‘Concession’ areas were granted to<br />
both foreign and national companies, and incentives<br />
were offered, e.g. capital in the form of Government<br />
equity, interest free loans, etc., in order to promote<br />
plantation development. Although the Government<br />
target (MoF 1993) of 6.2 million ha of industrial forest<br />
plantations by year 2000 was not reached, it is<br />
estimated that at least 4 million ha have been planted<br />
(including plantations in Java) (see Chapter 2). In the<br />
outer islands, fast growing species such as Acacia<br />
mangium, Eucalyptus spp., Gmelina arborea and<br />
Paraserianthes falcataria are planted.<br />
Replacement of natural mixed forests over vast areas,<br />
with plantations, raises several important questions.<br />
Apart from the uncertainty in sustainability of<br />
production over successive short rotations and the<br />
environmental impact (loss of biodiversity, soil<br />
compaction, disturbance to water balance, etc.),<br />
outbreaks of serious <strong>pests</strong> and diseases may be a major<br />
threat. Devastating outbreaks of the psyllid,<br />
Heteropsylla cubana in plantations of Leucaena<br />
leucocephala in South and Southeast Asia, conifer<br />
aphids in plantations in <strong>East</strong> Africa and eucalypt leaf<br />
diseases are only recent history. What is the risk of<br />
such new pest and disease outbreaks, in the rapidly<br />
expanding forest plantations in Indonesia<br />
This study is an attempt to assess the present pest<br />
and disease situation in Indonesian forests, particularly,<br />
in forest plantations, and evaluate the future risks.<br />
1.2. Objectives<br />
The specific objectives were:<br />
i. to prepare a bibliography of <strong>pests</strong> and diseases literature<br />
pertaining to Indonesian forests, including<br />
informal publications (grey literature), like consultant<br />
reports and student theses;<br />
ii. to interpret the literature and summarise the main<br />
findings, and
2<br />
Introduction<br />
iii. to derive general conclusions on the impact of<br />
<strong>pests</strong> and diseases, and make informed judgment<br />
on the future risks.<br />
University. In addition, there was correspondence with<br />
representatives of several plantation companies to elicit<br />
information on pest and disease outbreaks.<br />
1.3. Methodology<br />
Information was gathered from published and grey<br />
literature, field visits and discussions with Indonesian<br />
entomologists and pathologists. The TREECD<br />
database published by the Commonwealth Agricultural<br />
Bureau International (1939-1998(4)) was screened for<br />
abstracts of formal publications. Most relevant<br />
publications were in the Indonesian language (Bahasa<br />
Indonesia) and many in conference proceedings,<br />
student theses and departmental and consultant<br />
reports. Full text of most of the relevant publications,<br />
both in English and Bahasa Indonesia, was read to<br />
extract information.<br />
Field visits were made to plantations of Tectona<br />
grandis, Paraserianthes falcataria and other species<br />
in Java, and of Acacia mangium, Gmelina arborea<br />
and Eucalyptus spp. in <strong>East</strong> Kalimantan. Discussions<br />
were held with specialist scientists at CIFOR, FERDA<br />
(Forestry and Estate Crops Research and Development<br />
Agency of Indonesia), IPB (Bogor Agricultural<br />
University), Gadjah Mada University and Mulawarman<br />
1.4. Presentation<br />
The results of the study are presented in five chapters.<br />
Chapter 2 presents an overview of the state of the<br />
forest and plantation trends in Indonesia and Chapter<br />
3 a general comparison of the pest and disease<br />
problems in natural forests and plantations. In Chapter<br />
4, the insect <strong>pests</strong> and diseases of major plantation<br />
species in Indonesia are discussed in detail by tree<br />
species. This sets the background for Chapter 5 in<br />
which general conclusions are drawn on the impacts<br />
of <strong>pests</strong> and diseases, the current status of research<br />
on the subject and constraints to research and<br />
management of <strong>pests</strong> and diseases. Based on the<br />
available information and the personal experience of<br />
the authors, an assessment is made of the future<br />
threats of pest and disease outbreaks in plantations.<br />
Suggestions are made to meet the challenges.<br />
In addition to the cited references, there is a separate<br />
bibliography of published and grey literature for insect<br />
<strong>pests</strong> and diseases, which includes documents in<br />
English, Bahasa Indonesia and Dutch.
Chapter 2<br />
The State of the Forest<br />
and Plantation Trends<br />
C. Cossalter and K.S.S. Nair<br />
2.1. A time of change<br />
Indonesian forests are in a state of transition. The<br />
traditional low-level exploitation of forests by<br />
indigenous communities has been supplemented, over<br />
the past 30 years, by increased logging operations for<br />
selected timbers which has led to degradation of foests<br />
over large areas. Presently, there is large-scale<br />
replacement of degraded natural forests with short<br />
rotation industrial tree crops, raised and managed by<br />
commercial companies. Estate crops such as rubber<br />
and oil palm have also replaced part of the natural<br />
forests. What drives these changes is not the<br />
Indonesian consumer demands, but the rapidly rising<br />
international demand for engineered wood products,<br />
e.g. medium density fibre board and pulp and paper;<br />
and rubber and palm oil.<br />
2.2. Forest types, area and policies<br />
Nature has endowed the country with a rich variety of<br />
tropical forests. Dominated by dipterocarps, these<br />
include the monsoon forests, hill rainforests, lowland<br />
rainforests, peat-swamp forests, swamp forests, littoral<br />
forests and mangrove forests (Handadhari 1997).<br />
Forest area statistics given by different authors are<br />
often conflicting. In addition to degradation due to<br />
shifting agriculture and selective logging, since the<br />
1970s, large areas have been converted to agricultural<br />
land, estates and human settlements. Estimates based<br />
on remote sensed data, show that the forest area of<br />
Indonesia is about 124 million ha and the rate of<br />
deforestation during 1972–1990 was about 840 000<br />
ha per year (Sumahadi et al. 1997). As noted earlier,<br />
in 1996 FAO estimated forest area as 96.2 million<br />
ha, and there has been further reduction since then<br />
(Fox et al. 2000). Most Government sources<br />
continue to give higher figures with estimates of<br />
92-124 million ha in many publications. Often there<br />
is confusion between land area classified as forest in<br />
Government records and the land area actually<br />
covered by forest. Since most forest policy decisions<br />
of Government have been made on the basis of the<br />
older figures, it is difficult to use more recent figures<br />
in the following discussion.<br />
The 1945 Constitution of the Republic of Indonesia<br />
dictates that all forests of the country are to be<br />
governed by the State and there are a number of<br />
Acts and Rules that set principles and guidelines for<br />
their management. In 1984, the Government<br />
classified the forests into five categories, based on<br />
land-use preference established by a consensus of<br />
provincial Government agencies (Handadhari 1997,<br />
Gautam et al. 2000). Data in Table 2.1 show about 49<br />
million ha reserved for conservation purposes (first and<br />
second categories), 34 million ha for production and<br />
about 30 million ha for limited production. About 30<br />
million ha are designated as convertible forest area for<br />
long-term non-forestry uses. The areas assigned to each<br />
category are only estimates, as all lands not otherwise<br />
identified with existing agricultural or urban land uses<br />
in records available to provincial offices at that time<br />
were designated as forests (Gautam et al. 2000).<br />
The estimates were often contended and adjustments
4 The State of the Forest and Plantation Trends<br />
Table 2.1.<br />
Forest categories as per forest land use by consensus<br />
Category<br />
Purpose 1<br />
Area 2 (million ha)<br />
% Area<br />
Nature Reserve and<br />
Recreation forest<br />
Conservation, including wildlife,<br />
national parks and tourism<br />
18.8<br />
13<br />
Protection forest<br />
Watershed protection<br />
30.3<br />
21<br />
Production forest<br />
Selective timber harvesting<br />
33.9<br />
24<br />
Limited production forest<br />
Harvest restricted to protect<br />
environment<br />
30.5<br />
21<br />
Convertible forest<br />
Conversion for estate crops,<br />
smallholdings, future agricultural<br />
use, etc.<br />
30.5<br />
21<br />
Total<br />
-<br />
144.0<br />
100<br />
1<br />
vide Gautam et al. (2000); 2 Area in 1984<br />
Source: Handadhari (1997)<br />
were made. Due to this, the area figures given by<br />
various authors in the above categories often differ<br />
(e.g. see Leech et al. 1996; MoFEC 1999).<br />
The 64 million ha of production forest (including the<br />
30 million ha of limited production forest) is a massive<br />
resource for wood production. Ensuring the<br />
sustainability of production in these forests, and<br />
arresting forest conversion within the set limit of<br />
about 30 million ha are the main challenges of<br />
Indonesian forestry today. The basic principles to<br />
guide sound forest management have been identified<br />
as national interest, sustainability of yield, multisectoral<br />
benefits, equality and justice for all provinces<br />
and peoples within the country, social participation,<br />
and encouragement of agroforestry and smallholder<br />
forestry. However, there are constraints putting these<br />
principles into practice, which have been identified<br />
as conflict of interest among development sectors<br />
and the irresponsible attitude of forest<br />
concessionaires (see MoF 1993; Handadhari 1997).<br />
2.3. Forest concession right and<br />
plantation development<br />
Management of Indonesian forests has traditionally<br />
been vested with forest concessionaires. In Java, a<br />
Government-owned company, Perum Perhutani, has<br />
been given the responsibility for management of about<br />
3 million ha of State-owned forests. The mandate<br />
includes planning, management, exploitation and<br />
protection of all forests in Java and Madura, except<br />
nature reserves and parks. Thus, Perum Perhutani<br />
manages about 1 million ha of naturalised teak forests<br />
that have been planted and managed since the Dutch<br />
colonial times (1870s), in addition to nearly another<br />
million hectares of plantations of Pinus, Agathis,<br />
Dalbergia spp. and other species were raised later.<br />
Teak plantation are managed in Java under the taungya<br />
system, in which local farmers are permitted to plant<br />
food crops between rows of forest trees during the<br />
initial years of tree growth.<br />
In 1967, Forest Concession Right (Hak Pengusahaan<br />
Hutan, or HPH) was granted to private and State-owned<br />
enterprises, to exploit natural forests in the outer<br />
islands. In the “production” and “limited production”<br />
forests, besides exploiting the timber, forest<br />
concessionaires were required to undertake<br />
rehabilitation planting in the logged area. There was a<br />
rapid increase in the number of concessionaires, from<br />
64 in 1970, with a concession area of 7.8 million ha to<br />
462 in 1979, with a concession area of about 50 million<br />
ha (MoF 1993). Simultaneously, shifting agriculture<br />
by indigenous communities and excessive logging by<br />
the concessionaires created vast areas of degraded,<br />
secondary forests, which were often converted into
C. Cossalter and K.S.S. Nair 5<br />
unproductive grassland, dominated by Imperata<br />
cylindrica. Such lands were estimated at about 30<br />
million ha (Supriana and Natawiria 1987a) and<br />
intensive efforts were made to reforest them. As many<br />
native tree species were suppressed by the grass, the<br />
exotic Acacia mangium emerged as a promising<br />
species for afforestation of such lands. In 1980, in<br />
order to meet the increasing raw material demand of<br />
forest industries, the Government of Indonesia<br />
initiated a programme to develop industrial forest<br />
plantations (HTI). This was justified by the anticipated<br />
pressure on natural forest resources and the need to<br />
rehabilitate denuded areas. The Government assisted<br />
the concessionaires by providing capital in the form<br />
of Government equity amounting to 14% and interestfree<br />
loan up to 32.5% of the plantation cost (MoF<br />
1993). The period of concession was 35 years, plus<br />
one rotation length of the tree species planted, with<br />
provision for further extension. Concession areas<br />
were granted to foreign and Indonesian entrepreneurs.<br />
The Government set a target of about 6 million ha of<br />
HTI by the year 2000.<br />
The Government also initiated a Forest Village<br />
Development Programme, with social benefit<br />
schemes adapted to local conditions and<br />
requirements, in an attempt to encourage the native<br />
shifting cultivators to become settled farmers. The<br />
settled manpower was also expected to assist in<br />
the development of HTI and the forest<br />
concessionaires were assigned the responsibility for<br />
implementation of the Forest Village Development<br />
Programme. Other forest development programmes<br />
included transmigration settlements, in which people<br />
from densely populated areas were translocated to<br />
the sparsely populated outer islands, with benefits<br />
such as housing, land for agriculture, etc. They<br />
were also expected to provide the labour force for<br />
development of HTI. In addition, several schemes<br />
were introduced to encourage agroforestry on<br />
forest and non-forest land and for development of<br />
smallholder forestry.<br />
Involvement of a large number of plantation<br />
companies in the management of state-owned<br />
forests, creates its own problems. Although it brings<br />
in the much-needed investment and expertise, the<br />
short-term financial interests of the investors rather<br />
than long term ecological, economic and social<br />
prosperity of the country are likely to be given<br />
precedence. Liberal government incentives to promote<br />
forest-based industries have led to large-scale clearing<br />
of productive secondary forest, in some cases to<br />
procure land tenure rather than to produce an<br />
economic crop, and to deprivation of local people of<br />
their traditional rights on the land (Turnbull et al.<br />
1998). There is fear of long-term ecological<br />
deterioration caused by over-logging and inadequate<br />
regeneration efforts in natural forests, and<br />
inappropriate management practices in plantation<br />
areas. Although the policies and prescriptions are<br />
adequate, there are problems in implementation at all<br />
levels, and a large number of forest concessionaires<br />
who are managing natural forest areas, are not<br />
implementing the prescribed forest management<br />
systems correctly (Djakaria et al. 1997). It is public<br />
knowledge that the forest concession system has been<br />
plagued by political patronage. Rules and regulations<br />
have been grossly violated. Concessions and<br />
conversion rights were often granted in areas set aside<br />
for conservation. Such patronage has often led to<br />
conflicts between local communities, logging<br />
concessionaires, plantation companies,<br />
transmigrants and other state-sponsored activities<br />
(Gautam et al. 2000). It has been alleged that some<br />
plantation companies, particularly those engaged in<br />
oil palm cultivation, clandestinely abet the devastating<br />
forest fires that have erupted almost every summer<br />
in recent years, for easy clearance of natural growth<br />
for raising plantations. Given the vastness of the<br />
forest area, monitoring to ensure compliance with<br />
the prescriptions is difficult. In many cases,<br />
concession rights have been revoked due to poor<br />
performance but significant damage has already been<br />
done. The magnitude of the problem can be judged<br />
from the fact that after 20 years, the concession<br />
rights of only 96 out of the 359 HPH companies<br />
were renewed (Gautam et al. 2000). This means that<br />
a large proportion of the allotted area was not<br />
managed properly.
6 The State of the Forest and Plantation Trends<br />
2.4. Plantation trends – areas and<br />
species<br />
Indonesia has a long plantation history, starting with<br />
teak (Tectona grandis) cultivation. Believed to have<br />
been introduced to Java some 400 - 600 years ago<br />
(Phengklai et al. 1993), teak has been planted<br />
systematically since the 1870s and in 1995 there were<br />
about 1 million ha of well-managed plantations, in Java<br />
and the adjacent island of Madura (Perum Perhutani<br />
1995). Table 2.2 shows the areas of major tree species<br />
planted in Java managed by the Government-owned<br />
company, Perum Perhutani.<br />
Table 2.2. Forest plantations in Java in 1995<br />
Species<br />
Area (ha)<br />
Tectona grandis 1 066 532<br />
Pinus merkusii 583 974<br />
Agathis dammara 66 013<br />
Swietenia macrophylla 54 383<br />
Dalbergia latifolia 25 502<br />
Melaleuca cajuputi 11 848<br />
Paraserianthes falcataria 6 064<br />
Schleichera oleosa 3 732<br />
Rhizophora spp. 49 662<br />
Others 89 063<br />
Total 1 956 775<br />
Source: Perum Perhutani (1995)<br />
Pine (Pinus merkusii) plantations comprise the second<br />
largest area, about 0.6 million ha, after teak. Native to the<br />
northern part of Sumatra, this species is primarily utilised<br />
for resin tapping in Java and yields a general-purpose<br />
timber, although it was originally planted for pulpwood<br />
production. Agathis dammara is also tapped for resin.<br />
Melaleuca cajuputi is planted for extraction of essential<br />
oil from the leaves and Schleichera oleosa for cultivation<br />
of lac. There is currently an expansion of Paraserianthes<br />
falcataria plantations by smallholders throughout Java.<br />
Among the major plantation species, only Melaleuca<br />
cajuputi and the mangroves Rhizophora spp. are strictly<br />
native to Java. Teak (Tectona grandis), mahogany<br />
(Swietenia macrophylla) and rosewood (Dalbergia<br />
latifolia) are exotic to Indonesia, although teak is<br />
naturalised. Other species have been introduced to Java<br />
from other parts of Indonesia where they occur naturally.<br />
Plantation forestry in the outer islands began in the 1970s,<br />
with attempts to afforest the extensive Imperata<br />
cylindrica grasslands, particularly in Sumatra and<br />
Kalimantan. Opening up of HPH to foreign investors in<br />
1967, with the issuance of Foreign Investment Law (UU<br />
PMA) in forestry sector, accelerated the expansion of<br />
plantations. By 1989, 565 units of HPH holders operated<br />
in about 58 million ha of forest land (MoF 1993: Fact Sheet<br />
No. 12). Apart from rehabilitation planting carried out by<br />
these companies in the logged areas, over 7 million ha<br />
have been allotted (Table 2.3), to about 100 companies for<br />
raising HTI. About 67% of the allotted HTI area is for<br />
pulpwood production, 23% for sawlog production and<br />
10% for transmigration settlements (Table 2.4). The area<br />
allotted to individual companies ranges from about 4000<br />
ha to 300 000 ha.<br />
In the outer islands, over 60% of the geographical<br />
area consists of ‘forest land’. Forest land is land that<br />
has been legally defined as forest land and is not<br />
synonymous with ‘land under forest cover’ for which<br />
there are no reliable data. Of the forest land, nearly<br />
7% has been allotted for HTI and by 1998-99 about<br />
22% of the allotted area (about 1.6 million ha) has<br />
been utilised by the concessionaires (Table 2.3). It is<br />
Table 2.3. Industrial forest plantations (HTI) in the outer islands of Indonesia<br />
Region<br />
Geographical<br />
area (ha)<br />
Forest<br />
area (ha)<br />
Area allotted<br />
for HTI (ha)<br />
Area planted up<br />
to 98-99 (ha)<br />
Sumatra 47 050 873 23 877 500 2 525 486 888 354<br />
Kalimantan 54 824 700 35 745 200 3 129 781 802 505<br />
Sulawesi 19 227 076 11 473 400 187 146 27 931<br />
Irian Jaya 41 066 000 30 611 800 1 389 200 0<br />
Nusa Tenggara 6 744 235 2 732 400 55 074 5 945<br />
Moluccas 8 572 800 4 201 600 74 568 33 264<br />
Total 178 485 684 108 641 900 7 361 255 1 757 999<br />
Source: Statistik Pengusahaan Hutan 1998/1999, Dirjen Pengusahaan Hutan Produksi, Dephutbun (1999); Geographical area and<br />
forest area from MoFEC (1999); HTI area and planted area from Dit. Bina Pengusahaan Hutan, MoFEC
C. Cossalter and K.S.S. Nair 7<br />
estimated that the planted area may have reached at<br />
least 2 million ha by year 2000. No information is<br />
available on the extent of area cleared of forest but<br />
apparently it is much more than the area planted.<br />
summarised in Table 2.6. The overriding dominance<br />
of Acacia mangium and the relative importance of<br />
other pulpwood species are highlighted by this data.<br />
Table 2.5. Main species planted in the HTI in the outer islands<br />
Table 2.4. Utilisation of HTI area for different purposes to<br />
1998-99<br />
Pulpwood<br />
species<br />
Timber or plywood<br />
species<br />
Category<br />
Area allotted<br />
(million ha)<br />
Pulp 4.94 (67%) 1.04 (64%)<br />
Construction wood 1.65 (23%) 0.32 (20%)<br />
Transmigration 0.76 (10%) 0.26 (16%)<br />
Total 7.34 (100%) 1.63 (100%)<br />
Source: Dit. Bina Pengusahaan Hutan, MoFEC<br />
Area planted<br />
up to 98/99<br />
The 1998 Government reorganisation of the Ministries<br />
of Forestry and Agriculture to bring estate crops under<br />
the purview of the new MoFEC is indicative of a<br />
change in the Government’s strategy. There is strong<br />
interest among private investors for diverting forest<br />
land for oil palm cultivation, encouraged by the<br />
Government’s incentives for investment in oil palm.<br />
The Government has also granted permission to stateowned<br />
forestry companies to convert 30% of their<br />
concession areas within production forest boundaries<br />
to oil palm. It is estimated that currently 330 000 ha of<br />
forest land is being converted annually to oil palm<br />
plantations (Gautam et al. 2000). These policy changes<br />
are still evolving and are likely to impact significantly<br />
on the future forest plantation scenario.<br />
The spread of forest plantations across Indonesia and<br />
the species planted in each province, including the<br />
three provinces in Java, is shown in Fig.2. Unlike in<br />
Java (Table 2.2), detailed information on the species<br />
planted and the area under each is not available for<br />
other regions. However, most area in the outer islands<br />
is used for pulpwood species (Table 2.4), mainly,<br />
Acacia mangium. The main species planted are listed<br />
in Table 2.5. Twenty-eight of the 42 companies from<br />
whom we requested information provided details; the<br />
species and area planted by these companies are<br />
Acacia mangium<br />
Other Acacia spp.<br />
Eucalyptus spp.<br />
Gmelina arborea<br />
Paraserianthes falcataria<br />
Alstonia sp.<br />
Anthocephalus sp.<br />
Azadirachta excelsa<br />
Dyera sp.<br />
Eusideroxylon zwageri<br />
Gonystylus bancanus<br />
Koompasia sp.<br />
Maesopsis eminii<br />
Ochroma pyramidale<br />
Octomeles sumatrana<br />
Peronema canescens<br />
Pinus merkusii<br />
Shorea spp.<br />
Tectona grandis<br />
Table 2.6. Species and area planted by some HTI companies<br />
Species Area (ha) Percentage<br />
Acacia mangium 443 535 64.2<br />
Other Acacia spp. 24 023 3.5<br />
Paraserianthes falcataria 48 401 7.0<br />
Gmelina arborea 47 790 6.7<br />
Eucalyptus spp. 29 821 4.3<br />
Azadirachta excelsa 18 463 2.7<br />
Hevea braziliensis 8 293 1.2<br />
Peronema canescens 4 963 0.7<br />
Octomeles sumatrana 4 456 0.7<br />
Dipterocarps 2 977 0.4<br />
Tectona grandis 1 966 0.3<br />
Maesopsis eminii 282 >0.1<br />
Swietenia macrophylla 244 >0.1<br />
Miscellaneous species 55 213 8.0<br />
Total 690 528 100.0<br />
Source: Data supplied by 28 responding Companies under Adindo<br />
Hutani Lestari, Barito Timber Pacific, Hutrindo, Indah Kiat, Korindo,<br />
Musi Hutan Persada, Raja Garuda Mas, Sumalindo and Uniseraya<br />
Groups.
8 The State of the Forest and Plantation Trends<br />
2.5. Forest plantations in perspective<br />
The total extent of forest plantations in Indonesia is<br />
about 4 million ha including 2 million ha in Java and<br />
about 2 million ha in the outer islands. Plantations in<br />
the outer islands are poised for huge expansion – from<br />
2.0 million ha to 7.4 million ha in the coming years<br />
(see Table 2.3). Based on current trends, much of this<br />
will consist of Acacia mangium, followed by Gmelina<br />
arborea, Paraserianthes falcataria and Eucalyptus spp.<br />
Indigenous timber species will constitute a small<br />
proportion – about 20%. Although there is concern<br />
among environmental groups about such expansion<br />
of industrial plantations of a few species, the fact<br />
remains that these plantations account for only about<br />
10%of the total extent of Indonesian forests (9.4<br />
million ha out of 96.2 million ha). What is of greater<br />
concern is the degradation of the natural forest in the<br />
rest of the 64 million ha of production forests entrusted<br />
to private and quasi-Government enterprises for logging<br />
and management, and the increasing rate of<br />
conversion of forest land into oil palm estates.<br />
The Government expects plantation-grown wood to<br />
satisfy much of the future wood demand by increasing<br />
the area of plantations and improving plantation<br />
productivity. At present, the mean annual increment of<br />
most plantations of fast growing tree species in<br />
Indonesia is 15-25 m 3 ha -1 , and efforts are under way<br />
to increase the productivity through use of genetically<br />
improved planting stock, including hybrids, and nutrient<br />
management (Natadiwirya 1998; Tiarks et al. 1999).<br />
Projections by the Ministry of Forestry of future wood<br />
production indicates almost a doubling of the present<br />
wood production by 2018-19. This will be<br />
accomplished by an increase of 52 million m 3 of annual<br />
wood production from plantations, while there will be<br />
a decrease of 3.23 million m 3 of annual wood production<br />
from natural forests (Table 2.7). Plantation forestry in<br />
Indonesia has to meet this challenge.<br />
Table 2.7. Projected wood production in 2018-19 from different sources<br />
Year<br />
Natural<br />
forest<br />
For<br />
pulpwood<br />
Plantation forest<br />
For construction<br />
timber<br />
Community<br />
forest<br />
Total<br />
million m 3<br />
1999 - 2000 34.79 15.52 1.70 1.49 53.50<br />
2018 - 2019 31.56 42.58 26.73 2.86 103.73<br />
Difference -3.23 +27.06 +25.03 +1.37 +50.23<br />
Source: Natadiwirya (1998)
C. Cossalter and K.S.S. Nair 9<br />
Figure. 2.1. The spread of forest plantations across Indonesia and the species planted in each province<br />
NORTH SUMATRA<br />
- Acacia mangium<br />
- other Acacia spp.<br />
- Anthocephalus spp.<br />
- Azadirachta excelsa<br />
- Duabanga moluccana<br />
- Eucalyptus spp.<br />
- Gmelina arborea<br />
- Maesopsis eminii<br />
- Paraserianthes falcataria<br />
- Peronema canescens<br />
- Pinus merkusii<br />
- Swietenia macrophylla<br />
D.I. ACEH<br />
- Acacia mangium<br />
- Eucalyptus spp.<br />
- Paraserianthes falcataria<br />
- Pinus merkusii<br />
RIAU<br />
- Acacia mangium<br />
- other Acacia spp.<br />
- Anthocephalus spp.<br />
- Azadirachta excelsa<br />
- Gmelina arborea<br />
- Maesopsis eminii<br />
- Octomeles sumatrana<br />
- Paraserianthes falcataria<br />
- Peronema canescens<br />
WEST KALIMANTAN<br />
- Acacia mangium<br />
- Alstonia spp.<br />
- Eucalyptus spp.<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
- Peronema canescens<br />
- Shorea spp.<br />
CENTRAL KALIMANTAN<br />
- Acacia mangium<br />
- Anthocephalus<br />
- Dyera spp.<br />
spp.<br />
- Gmelina arborea<br />
- Koompassia spp.<br />
- Ochroma spp.<br />
- Paraserianthes falcataria<br />
- Peronema canescens<br />
- Shorea spp.<br />
WEST SUMATRA<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
D.I.ACEH<br />
JAMBI<br />
- Acacia mangium<br />
- other Acacia spp.<br />
- Dyera spp.<br />
- Eucalyptus spp.<br />
- Gmelina arborea<br />
- Gonystylus bancanus<br />
- Paraserianthes falcataria<br />
- Peronema canescens<br />
- Shorea<br />
spp.<br />
NORTH<br />
SUMATRA<br />
WEST<br />
SUMATRA<br />
RIAU<br />
JAMBI<br />
SOUTH<br />
SUMATRA<br />
LAMPUNG<br />
WEST<br />
KALIMANTAN<br />
CENTRAL<br />
KALIMANTAN<br />
EAST<br />
KALIMANTAN<br />
SOUTH<br />
KALIMANTAN<br />
SOUTH<br />
SULAWESI<br />
CENTRAL<br />
SULAWESI<br />
SOUTHEAST<br />
SULAWESI<br />
MOLLUCAS<br />
SOUTH SUMATRA<br />
- Acacia mangium<br />
- Alstonia spp.<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
- Shorea spp.<br />
WEST<br />
JAVA<br />
CENTRAL<br />
JAVA<br />
EAST JAVA<br />
EAST<br />
NUSA TENGGARA<br />
LAMPUNG<br />
- Acacia mangium<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
- Shorea spp.<br />
WEST JAVA<br />
- Acacia mangium<br />
- Agathis spp.<br />
- mangrove species<br />
- Pinus merkusii<br />
- Shorea spp.<br />
- Swietenia macrophylla<br />
- Tectona grandis<br />
CENTRAL JAVA<br />
- Agathis spp.<br />
- Dalbergia spp.<br />
- mangrove species<br />
- Melaleuca cajuputi<br />
- Pinus Merkusii<br />
- Swietenia macrophylla<br />
- Tectona grandis<br />
EAST JAVA<br />
- Agathis spp.<br />
- Melaleuca cajuputi<br />
- Paraserianthes falcataria<br />
- Pinus merkusii<br />
- Schleichera oleosa<br />
- Swietenia macrophylla<br />
- Tectona grandis<br />
SOUTH SULAWESI<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
SOUTHEAST SULAWESI<br />
- Acacia mangium<br />
- Gmelina arborea<br />
- Swietenia macrophylla<br />
- Tectona grandis<br />
Source: Dit. Bina Pengusahaan Hutan, MoFEC<br />
EAST KALIMANTAN<br />
- Acacia mangium<br />
- Eucalyptus spp.<br />
- Eusideroxylon zwageri<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
- Peronema canescens<br />
- Shorea spp.<br />
- Swietenia macrophylla<br />
- Tectona grandis<br />
CENTRAL SULAWESI<br />
- Ochroma spp.<br />
- Paraserianthes falcataria<br />
MOLLUCAS<br />
- Acacia mangium<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
SOUTH KALIMANTAN<br />
- Acacia mangium<br />
- Eucalyptus spp.<br />
- Eusideroxylon zwageri<br />
- Gmelina arborea<br />
- Paraserianthes falcataria<br />
Peronema canescens<br />
- Shorea spp.<br />
- Tectona grandis<br />
EAST NUSA TENGGARA<br />
- Paraserianthes falcataria<br />
- Tectona grandis
Chapter 3<br />
General Scenario of Pests<br />
and Diseases in Natural Forests<br />
and Plantations in Indonesia<br />
K.S.S. Nair and Sumardi<br />
Conventional wisdom suggests that natural stands of<br />
tropical forests, characterised by high species<br />
diversity, are free of <strong>pests</strong> and diseases. Tropical<br />
forests are often quoted as examples that demonstrate<br />
the strong correlation between diversity and stability,<br />
in relation to pest and disease outbreaks. However, a<br />
critical study of the literature shows that there is more<br />
discussion than data on this relationship (Nair et al.<br />
1986). Plantations, on the other hand, characterised<br />
by even-aged stands of the same tree species are<br />
generally believed to be pest and disease prone. There<br />
is enough data to support this generalisation, although<br />
monocultures of some species may be pest or disease<br />
free. An overview of the general situation in natural<br />
forests and plantations in Indonesia is given below.<br />
3.1. Natural forests<br />
Published information on <strong>pests</strong> and diseases in natural<br />
forests of Indonesia is scarce. Kalshoven (1953)<br />
recorded some of the early instances of insect pest<br />
outbreaks, the highlights of which are given below.<br />
Natural stands of Pinus merkusii, Casuarina<br />
junghuhniana (syn. C. montana), Palaquium sp.,<br />
Actinophora fragrans and mangroves have suffered<br />
occasional pest outbreaks. Outbreaks of three species<br />
of insects are on record in pine stands, which cover<br />
an area of about 100 000 ha in North Sumatra, mainly<br />
in stands subjected to resin tapping. An undetermined<br />
species of the genus, Pteroma (a small bagworm<br />
belonging to the lepidopteran family Psychidae), has<br />
been the most serious. Severe outbreaks occurred in<br />
1924, 1933, and 1934-38, causing defoliation over<br />
large areas. The 1934-38 outbreak continued over a<br />
four-year period, during which repeated defoliation<br />
occurred, month after month. The damage was more<br />
serious on poorer sites. Another pine pest was a larger<br />
bagworm, Eumeta (Clania) variegata, a well-known<br />
polyphagous insect, but its outbreaks were less<br />
frequent. The third pest was also a lepidopteran<br />
(Geometridae) defoliator, Milionia basalis. Repeated<br />
outbreaks of this insect have been recorded, smaller<br />
outbreaks developing simultaneously in different places<br />
all over the pine stands. Our knowledge about these<br />
early outbreaks of pine insects was due to regular<br />
observations made by the resin and turpentine industry.<br />
No systematic observations are available for later<br />
periods, although outbreaks of other <strong>pests</strong> have been<br />
recorded in pine plantations.<br />
Occasional severe outbreaks of the caterpillar Voracia<br />
casuariniphaga (Lepidoptera, Lasiocampidae) occur<br />
in natural stands of Casuarina junghuhniana growing<br />
on mountain ridges and peaks in <strong>East</strong> Java. In an<br />
outbreak in February 1938 on Mt Lawu, 800 ha were<br />
totally stripped. Outbreaks of the caterpillar, Ophiusa<br />
serva (Noctuidae) have been recorded on Palaquium<br />
sp., which often constitutes 50% or more of the crop<br />
in some primary forests in South Sumatra. On the<br />
mangrove, Sonneratia acida, in an estuary at the Barito<br />
River in Southeast Kalimantan, a caterpillar<br />
provisionally identified as Lymantria galinara<br />
(Lymantriidae) caused defoliation of all trees on one<br />
occasion. More recently there was a near total<br />
defoliation of a mangrove species, Excoecaria
12 General Scenario of Pests and Diseases in Natural Forests and Plantations in Indonesia<br />
agallocha (Whitten and Damanik 1986) This was<br />
caused by the caterpillar, Ophiusa melicerta (syn.<br />
Achaea janata) (Lepidoptera, Noctuidae) and covered<br />
about 500-1000 ha of forest south of Belawan in North<br />
Sumatra, where the tree occurs essentially as singlespecies<br />
stands.<br />
In lowland forests in Java, outbreak of a small<br />
woodborer, Agrilus kalshoveni (Coleoptera,<br />
Buprestidae) caused large-scale mortality of scattered<br />
trees of all sizes of Actinophora fragrans (Tiliaceae),<br />
in 1926-28.<br />
In a recent study in Wanariset and Bukit Soeharto<br />
forest area in <strong>East</strong> Kalimantan, Rahayu et al. (1998)<br />
recorded damage to Shorea spp. by leaf feeding<br />
caterpillars. Three diseases were also recorded:<br />
prolepsis (excessive proliferation of shoot tissue<br />
caused by a bacterium, resulting in stunted growth),<br />
leaf spot (leaf blight) and stem canker induced by<br />
fungi. However, these <strong>pests</strong> and diseases were of<br />
minor importance. Seed <strong>pests</strong> are known to make a<br />
significant impact in natural dipterocarp forests. Larvae<br />
of some small moths and curculionid beetles attack<br />
the fruits on the tree and on the ground (Elouard 1998,<br />
Natawiria et al. 1986) and feed on the cotyledons so<br />
preventing seed germination. Curran and Leighton<br />
(1991) observed the 1996 seed crop of about 100 000<br />
seeds ha -1 was entirely destroyed by insects in the<br />
lowland forest of West Kalimantan. The well-known<br />
phenomenon of mass fruiting of dipterocarps is<br />
thought to be a strategy to escape complete seed<br />
destruction by satiating the seed <strong>pests</strong> (Janzen 1974).<br />
3.2. Plantations<br />
More data are available on <strong>pests</strong> and diseases of<br />
plantation trees than for native forests. However, as<br />
most plantations in the outer islands are still young,<br />
plantation experience is limited to species planted in<br />
Java. These include teak, pine, mahogany, rosewood,<br />
and species of Melaleuca, Paraserianthes, Schleichera<br />
and Rhizophora. Teak plantations have suffered<br />
chronic damage from the defoliator, Hyblaea puera,<br />
throughout the plantations in Java. In some locations,<br />
the termite Neotermes tectonae that infests the trunk<br />
and branches of living teak trees has caused economic<br />
damage. However, because the trees are not killed,<br />
the <strong>pests</strong> have not been recognised as serious.<br />
Mahogany plantations suffer severely from the shoot<br />
borer, Hypsipyla robusta, which has been a factor<br />
limiting plantation establishment. Paraserianthes<br />
falcataria is killed by the stem borer, Xystrocera festiva.<br />
Shoot borers damage pine plantations in Sumatra, but<br />
these insects have not been encountered in pine<br />
plantations in Java. Other species have suffered no<br />
major pest damage.<br />
Diseases have not become a serious threat in any of<br />
the plantations in Java, although many fungal diseases<br />
have been noted in nurseries.<br />
It is concluded that some tree species are susceptible<br />
to pest damage in plantations but others are not.<br />
Diseases have made much less impact, except in<br />
nurseries. Pests and diseases of each tree species are<br />
discussed in detail in Chapter 4.<br />
3.3. Comparison between<br />
plantations and natural<br />
forests<br />
A comparison of the pest and disease problems in<br />
plantations with those in natural forests indicates that<br />
<strong>pests</strong> have a greater impact in plantations. However,<br />
pest outbreaks have also occurred in natural forests.<br />
Most of these outbreaks have been recorded in tree<br />
species that occur gregariously, like in a monoculture<br />
plantation. Examples are Pinus merkusii, Casuarina<br />
junghuhniana, Palaquium sp., and Excoecaria<br />
agallocha. A high host density appears to be a key<br />
factor promoting pest outbreaks. Most insects that<br />
have acquired pest status are ubiquitous components<br />
of the normal insect fauna that are present in low<br />
numbers in natural forests. They become <strong>pests</strong> when<br />
a high host density as in plantations or other factors<br />
cause a large increase in insect populations.<br />
Many species that are grown in plantations in Indonesia<br />
are exotic. Some of them have also suffered damage<br />
from <strong>pests</strong> and diseases, as discussed in the next<br />
chapter. By definition, indigenous species are those<br />
that occur as part of the natural vegetation within the<br />
geographic boundaries of a country. In the case of<br />
Indonesia, which has 17 500 islands extending across
K.S.S. Nair and Sumardi 13<br />
5100 km from the Indian Ocean to the Pacific<br />
Ocean, between 5 0 N and 11 0 S latitude and 94 0 –<br />
141 0 E longitude (Whitten et al. 1996), and the<br />
Wallace’s line separating a small eastern part, the<br />
conventional definition of indigenous species has little<br />
relevance. For instance, the natural distribution of<br />
Pinus merkusii is limited to northern Sumatra and that<br />
of Acacia mangium and Paraserianthes falcataria to<br />
some small areas of the eastern islands, and therefore<br />
it is not appropriate to consider them as indigenous to<br />
Indonesia as a whole. Designating a species as<br />
exotic is a matter of definition. If instead of the<br />
political boundary of the country, we accept a<br />
narrower spatial scale like the major island groups<br />
and their surroundings as the spatial unit to define<br />
indigenous and exotic species, most plantation<br />
species in Indonesia will have to be treated as exotic.<br />
A comparison between indigenous and exotic species<br />
is best made after a detailed consideration of <strong>pests</strong><br />
and diseases in plantations.
Chapter 4<br />
<strong>Insect</strong> Pests and Diseases<br />
of Major Plantation Species<br />
K.S.S. Nair and Sumardi<br />
In this Chapter, the <strong>pests</strong> and diseases of 24 forest trees,<br />
including pulpwood and timber species, planted in<br />
Indonesia are discussed. The species are based on<br />
information supplied by plantation companies and include<br />
some species planted only on an experimental scale, so<br />
there is little information on their <strong>pests</strong> and diseases.<br />
A brief introductory paragraph gives general<br />
information on the species, including its natural<br />
distribution, planting locations within Indonesia (see<br />
also Fig. 2.1) and uses. This is followed by a brief<br />
description of the damage caused by the main insect<br />
<strong>pests</strong> and diseases. Then information is provided on<br />
<strong>pests</strong> and diseases in neighbouring countries and a<br />
critical look at the threat posed by the <strong>pests</strong> and<br />
diseases in Indonesia.<br />
4.1. Acacia mangium and other<br />
Acacia spp.<br />
Indonesian common name: Akasia<br />
Plantation forestry in Indonesia is dominated by<br />
Acacia mangium due largely to its ability to compete<br />
with grasses in the unproductive Imperata<br />
cylindrica grasslands. Large-scale planting began<br />
in 1986 under the Industrial Plantation Scheme and<br />
there has been a massive expansion of the area since<br />
then (Turnbull et al. 1998). Now there are at least<br />
500 000 ha of A. mangium, mostly in Sumatra and<br />
Kalimantan. It has been planted in the provinces of<br />
West Java, Aceh, North Sumatra, Riau, Jambi, South<br />
Sumatra, Lampung, West Kalimantan, Central<br />
Kalimantan, <strong>East</strong> Kalimantan, South Kalimantan and<br />
Moluccas (see Fig. 2.1). Ten companies had planted<br />
426 000 ha of A. mangium by 1996 (Turnbull et al.<br />
1998). PT Musi Hutan Persada has reported that<br />
90% of its 200 000 ha of forest plantations in South<br />
Sumatra is A. mangium (Siregar et al. 1999). Second<br />
rotation plantations exist in some areas.<br />
Acacia mangium is native to three small islands in the<br />
Moluccas and parts of Irian Jaya in eastern Indonesia<br />
(Pinyopusarerk et al. 1993).<br />
<strong>Insect</strong> <strong>pests</strong><br />
There is little published information on the <strong>pests</strong> of<br />
A. mangium in Indonesia. The following data (Table 4.1)<br />
have been assembled from a variety of sources,<br />
including unpublished reports and information obtained<br />
from companies through visits and correspondence.<br />
Nursery seedlings of A. mangium are attacked by a<br />
number of insects including plant bugs,<br />
grasshoppers and bagworms, causing variable<br />
damage. A subterranean termite, Coptotermes<br />
curvignathus (Isoptera, Rhinotermitidae), which eats<br />
into the taproot and stem is reported to kill 10-50% of<br />
saplings in plantations in Central Sumatra in their first<br />
year (Wylie et al.1998). In Malaysia, this insect infests<br />
even older trees (Chew 1987). Control should be<br />
possible by using appropriate prophylactic insecticidal<br />
treatment (Varma and Nair 1997).
16 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
Table 4.1. <strong>Insect</strong> <strong>pests</strong> of Acacia mangium in Indonesia<br />
Type of damage<br />
Scientific name<br />
Common name<br />
Notes<br />
Root-feeding<br />
Coptotermes curvignathus<br />
(Isoptera, Rhinotermitidae)<br />
Termite<br />
Causes death of saplings<br />
Leaf-feeding<br />
Pteroma plagiophleps and<br />
other bagworms<br />
(Lepidoptera, Psychidae)<br />
Bagworms<br />
Unidentified caterpillar<br />
(Lepidoptera, Noctuidae)<br />
Caterpillar Plusia<br />
On young saplings<br />
Valanga nigricornis<br />
(Orthoptera, Acrididae)<br />
Grasshopper<br />
Sap-sucking<br />
Helopeltis theivora and<br />
other Helopeltis spp.<br />
(Hemiptera, Miridae)<br />
Mosquito bug<br />
On young saplings<br />
Twig-boring<br />
Xylosandrus sp. and<br />
Xyleborus fornicatus<br />
(Coleoptera, Scolytidae)<br />
Pinhole borers<br />
Attacked small branches<br />
often dry up and break<br />
Trunk-boring<br />
Xytrocera festiva<br />
(Coleoptera, Cerambycidae)<br />
Stem borer<br />
The leaf-feeding bagworm, Pteroma plagiophleps has<br />
been recorded in many plantations. It is a polyphagous<br />
caterpillar, which is generally a minor pest on most of its<br />
hosts although localised outbreaks have occurred in<br />
Paraserianthes falcataria and some other hosts (Nair and<br />
Mathew 1992). Other unidentified bagworms are<br />
commonly seen on A. mangium but all are minor leaffeeders.<br />
The grasshopper, Valanga nigricornis, also a<br />
polyphagous leaf-feeder, is often seen in A. mangium<br />
plantations in fairly large numbers. It appears sporadically<br />
and eats even the shoot tips. In teak plantations in Java,<br />
it causes recognisable damage periodically but has not<br />
become a serious pest. It is particularly active in the border<br />
zone between forests and open ground (Hutacharern<br />
1993). Locusta sp., with similar feeding habits, occurs less<br />
frequently. Other leaf feeding insects are also occasional<br />
minor <strong>pests</strong>. Caterpillars of an unidentified moth,<br />
tentatively called, ‘Plusia’, feeds on the leaves (phyllodes)<br />
of young saplings (PT. Riau Andalan Pulp and Paper,<br />
personal communication).<br />
The sap-sucking bug Helopeltis spp. is the principal pest<br />
in plantations in Sumatra. These are well-known <strong>pests</strong> of<br />
several horticultural and tree crops in the tropics, such<br />
as, tea, cacao, cinchona, cashew and neem. Localised<br />
damage by Helopeltis sp. to A. mangium has been<br />
reported from Malaysia (Hamid 1987) and Philippines<br />
(Luego 1990) and it regularly causes severe damage in 6-<br />
18-month-old plantations in North and Central Sumatra<br />
(Wylie et al. 1998). The principal species is H. theivora,<br />
but H. fasciaticollis and H. sumatranus have also been<br />
recorded (Wylie personal communication). Feeding by<br />
Helopeltis spp. causes necrotic spots on the leaves and<br />
often dieback of tender shoots. Shoot dieback is probably<br />
caused by injection of toxic saliva or pathogenic<br />
organisms in the feeding process. Some companies have<br />
applied urea to boost the growth of attacked saplings<br />
and in rare cases insecticides like deltamethrin have been<br />
used. More systematic observations are needed to assess<br />
the quantitative impact and some plantation companies<br />
are doing this. In cashew plantations in Kerala, India,<br />
damage by H. theivora is most serious during the flushing<br />
and flowering season, causing the top layer of the crown<br />
to dry out and necessitating regular prophylactic<br />
insecticidal sprays to prevent yield loss.<br />
Pinhole borers, Xyleborus fornicatus and Xylosandrus<br />
sp., attack small branches which often dry up and
K.S.S. Nair and Sumardi 17<br />
break off at the point of attack (Hardi and Intari 1990;<br />
Riyantoko 1998; Zulfiyah 1998). Usually the intensity<br />
of attack is low and is not a threat to plantations. The<br />
borer Xystrocera festiva, primarily a pest of<br />
Paraserianthes falcataria, attacks A. mangium in<br />
agroforestry plantations in <strong>East</strong> Java and in industrial<br />
plantations in South Sumatra where up to 11% of trees<br />
have been infested (Matsumoto 1994). It is unlikely to<br />
become a major pest of Acacia as the life cycle is annual<br />
and the attacked trees generally survive. A related<br />
species, X. globosa, occurs on Albizia spp. and<br />
A. mangium in Malaysia. Matsumoto (1994) recorded<br />
this species on A. mangium, A. auriculiformis and<br />
Paraserianthes falcataria in <strong>East</strong> Java and South<br />
Sumatra but the larvae of X. globosa feed less<br />
gregariously than X. festiva and had a much lower<br />
population level.<br />
Diseases<br />
In general, Acacia mangium plantations in Indonesia<br />
have suffered little from diseases. Following the<br />
threat of widespread occurrence of heart rot<br />
disease of A. mangium in Malaysia, detailed studies<br />
were carried out on diseases of acacias in the region,<br />
including Indonesia, and excellent reviews written<br />
(Old 1998; Old et al. 2000).<br />
Four major categories of diseases have been recognised<br />
– foliar diseases, stem canker, heart rot and root rots<br />
(Table 4.2). Among the foliar diseases, leaf rust caused<br />
by a fungus distorts the growing points in nursery plants<br />
and young plantations. This has caused concern,<br />
particularly in Sumatra and Kalimantan, as there is no<br />
effective control method. An epidemic leading to<br />
premature leaf shedding occurred in 15-month-old trees<br />
in South Kalimantan. The fungus is similar to<br />
Atelocauda digitata which is common in northern<br />
Australia and affects nursery stock and trees of a wide<br />
range of age classes. There is considerable variation<br />
between provenances in susceptibility which suggests<br />
potential for selecting resistant genotypes (Old 1998).<br />
Other leaf diseases (Table 4.2) are of minor importance.<br />
Table 4.2. Diseases of Acacia mangium in Indonesia<br />
Disease<br />
Foliar diseases<br />
Rust<br />
Powdery mildew<br />
Black mildew<br />
Leaf spot<br />
Stem cankers<br />
Pink disease<br />
Black canker<br />
Heart rot<br />
Root rots<br />
Red root rot<br />
White root rot<br />
Causative agent<br />
(Near) Atelocauda digitata<br />
Oidium spp.<br />
Meliola spp.<br />
Cercospora, Pestalotiopsis and<br />
Collectotrichum spp.<br />
Corticium salmonicolor<br />
Pytophthora palmivora<br />
Cytospora sp.<br />
Hypoxylon mammatum<br />
Phellinus noxius<br />
Rigidoporus hypobrunneus<br />
Tinctoporellus epimiltinus<br />
Ganoderma philipii<br />
(syn. G. pseudoferreum)<br />
Rigidoporus microporus<br />
(syn. Leptoporus lignosus)<br />
(syn. Fomes lignosus)<br />
Notes<br />
< 2% of 5-year old trees were affected<br />
in Sumatra<br />
Present in older plantations in Sumatra<br />
and Java<br />
Minor<br />
Minor
18 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
Among the stem canker diseases, pink disease caused<br />
by Corticium salmonicolor, a basidiomycete fungus<br />
infecting a wide range of hosts in high rainfall areas in<br />
the tropics, is common in Indonesia and is most<br />
prevalent in denser stands (Zulfiah and Gales 1997).<br />
It causes necrosis of the bark tissue on small stems,<br />
and branches, often leading to their breakage. Heart<br />
rot, caused by a complex of Phellinus noxius and other<br />
unidentified basidiomycete fungi entering through<br />
wounds, occurs in <strong>East</strong> Kalimantan (Lee and Sikin<br />
1999). However, the proportion of infected trees is<br />
small compared to some plantations in Malaysia. In<br />
Malaysia, more than 50% of trees have been infected<br />
in some places, but the wood volume damaged was<br />
small. It is not considered to be a major problem when<br />
the end use is pulpwood rather than timber (Old et al.<br />
2000). The hybrid, A. mangium x A. auriculiformis,<br />
is resistant to heart rot, as is A. auriculiformis (Ito<br />
and Nanis 1997). White root rot, caused by<br />
Rigidoporus microporus (syn. Fomes lignosus), has<br />
been recorded in plantations in Jambi and South<br />
Sumatra. The red root rot, Ganoderma philipii,<br />
formerly C. pseudoferreum, has been isolated from an<br />
A. mangium plantation in Yogyakarta.<br />
Threat Assessment<br />
In making an assessment of threat, the problems<br />
experienced in neighbouring countries must also be<br />
taken into consideration. For insect <strong>pests</strong>, Wylie et al.<br />
(1998) have reviewed the problems and listed 22<br />
species as main <strong>pests</strong> in the region covering Australia,<br />
Indonesia, Malaysia, Thailand and Vietnam. These<br />
<strong>pests</strong> can be categorised into five groups - leaf feeders<br />
(7 spp.), root or stem feeding termites (5 spp.), trunk<br />
borers (4 spp.), twig borers (4 spp.), and sapsuckers<br />
(2 spp.). Seven important <strong>pests</strong> in Indonesia were<br />
identified in an assessment made in May 1997 (Wylie<br />
et al. 1998). They were a root feeding termite (1 sp.),<br />
a twig borer (1 sp.), leaf feeders (4 spp.) and a sap<br />
sucker (1 sp.). In order of importance they are:<br />
Coptotermes curvignathus (root-feeding termite),<br />
Xylosandrus sp. (stem-boring scolytid beetle), Pteroma<br />
plagiophleps (leaf-feeding bagworm), unidentified<br />
caterpillar (leaf-feeding), Valanga nigricornis (leaffeeding<br />
grasshopper), Locusta sp. (leaf feeding), and<br />
Helopeltis theivora (sap-sucking bug). In a global<br />
review, Hutacharern (1993) considered there were<br />
only four serious <strong>pests</strong> of A. mangium. These were<br />
the termite, C. curvignathus; the buprestid root collar<br />
borer, Sternocera spp.; the bostrychid twig borer,<br />
Sinoxylon sp.; and the cossid stem borer, Zeuzera<br />
coffeae. Among the seven serious <strong>pests</strong> recognised<br />
by Wylie et al. (1998) for Indonesia, only the termite,<br />
C. curvignathus, was in Hutacharern’s list .<br />
We rate the sap-sucking bug, Helopeltis sp., as<br />
potentially the most serious pest, based on current<br />
knowledge of pest incidence in A. mangium plantations<br />
in Indonesia and the insect’s habits and past history in<br />
other crops. Two species of Helopeltis are reported<br />
to occur in forest plantations in Indonesia - H. antonii<br />
in Eucalyptus spp. (Rahardjo 1992) and H. theivora<br />
in Eucalyptus spp. and A. mangium (Hardi 1993;<br />
Wylie et al. 1998). In addition, H. fasciaticollis and<br />
H. sumatranus have been identified recently from<br />
A. mangium. Both H. theivora and H. antonii are<br />
serious <strong>pests</strong> of cashew in India. Helopeltis spp. have<br />
acquired pest status on various tree crops in Australia,<br />
China (Hainan Island), Malaysia, Philippines, Sri Lanka,<br />
Thailand and some countries in Africa. Many species<br />
of Helopeltis occur in Indonesia on a variety of crops<br />
and severe outbreaks occurred in the 1960s on tea in<br />
North Sumatra before the advent of modern<br />
insecticides (Kalshoven 1981). Difficulty in controlling<br />
them, other than through repeated chemical sprays,<br />
adds to the seriousness of the problem. It is already<br />
recognised as serious in young plantations in Sumatra.<br />
It was not found in a plantation examined by one of<br />
us (K.S.S.N.) in <strong>East</strong> Kalimantan, but it could build<br />
up there as it already occurs in adjacent Sarawak (<strong>East</strong><br />
Malaysia). Careful monitoring of Helopeltis spp. as a<br />
potentially serious pest of A. mangium is<br />
recommended.<br />
Root-feeding termites are the next most serious threat,<br />
during the establishment stage of the crop, as<br />
experienced in Sumatra, but they can be controlled<br />
effectively using insecticidal spot treatment.<br />
The risk of new <strong>pests</strong> emerging over time cannot be<br />
ignored. In 1992 a new pest, Spirama retorta<br />
(Lepidoptera, Noctuidae), attacked 800 ha of a 1-yearold<br />
A. mangium plantation in Peninsular Malaysia<br />
(Sajap et al. 1997b). Little was known about this insect<br />
which had been recorded on Albizia lebbek in India<br />
(Beeson 1941) and on an unknown host in Thailand<br />
(Hutacharern and Tubtim 1995). It has been recorded<br />
recently on A. mearnsii in China (Wang et al. 1998).
K.S.S. Nair and Sumardi 19<br />
Another new noctuid pest, Ericeia sp., has damaged<br />
A. mangium in Malaysia (Sajap et al. 1997a). The<br />
unidentified caterpillar, ‘Plusia’, found in young<br />
plantations in Sumatra is also a noctuid. The<br />
lepidopteran family, Noctuidae, contains several wellknown<br />
<strong>pests</strong> with outbreak potential. They include<br />
Achaea janata, Helicoverpa armigera (Heliothis<br />
armigera), Plecoptera reflexa, Prodenia litura and<br />
Selepa celtis. Therefore, there is a high risk of<br />
emergence of new noctuid <strong>pests</strong> on A. mangium.<br />
Old (1998) reviewed the risks of diseases in Indonesia<br />
and the neighbouring countries. Foliar rust, root rots<br />
and heart rot are potentially dangerous. However, there<br />
are indications of presence of genotypes resistant to<br />
the rust and heart rot. Avoiding wounds to the stem<br />
also reduces the risk of heart rot. The heart rot problem<br />
may be the result of mismatching of the tree species<br />
with the sites (Arentz 1996; Lee and Arentz 1997). In<br />
its natural habitat A. mangium grows in areas with a<br />
seasonal dry period. It has been hypothesised that<br />
absence of a dry period may hinder the self-pruning<br />
ability of branches, permitting the development of entry<br />
points for decay fungi into the main stem through the<br />
dying branches. The situation needs monitoring. The<br />
A. auriculiformis x A. mangium hybrid may prove<br />
resistant to heart rot. Root rot appears to be potentially<br />
more damaging, as the pathogens spread by root<br />
contact between diseased and healthy trees. Old et al.<br />
(2000) have concluded that planting successive<br />
rotations of acacias on the same site will provide<br />
conditions favourable for the build-up of root rot<br />
diseases; particularly if there is no post-harvest burn<br />
as the inoculum may build-up in the slash. Careful<br />
monitoring of root rot diseases is also necessary as<br />
there is no practical means of control.<br />
Other Acacia species<br />
After A. mangium, A. auriculiformis is the most<br />
widely planted acacia in industrial plantations,<br />
followed by A. crassicarpa and A. aulacocarpa (syn.<br />
A. perigrina from Papua New Guinea). Acacia<br />
auriculiformis seedlings in nurseries are attacked by<br />
the stem boring scolytid beetle, Xylosandrus<br />
compactus. It has been reported from Java, Sumatra,<br />
Kalimantan, and Sulawesi (Intari and Santoso 1990;<br />
Natawiria 1990). Related scolytid and bostrychid<br />
borers have also been noted on Acacia spp. in Malaysia<br />
and Thailand. The stem borers Xystrocera festiva and<br />
X. globosa also attack A. auriculiformis but the<br />
incidence is rare. In general, these Acacia species have<br />
no major pest problems, although occasional leaf<br />
feeding by polyphagous insects is common.<br />
Among diseases, rust occurs on A. auriculiformis<br />
and pink disease (Corticium salmonicolor) in<br />
A. crassicarpa and A. aulacocarpa plantations (Hadi<br />
and Nuhamura 1997). Canker caused by unknown<br />
agents has been noted in all the three species. Root<br />
rot caused by Ganoderma pseudoferreum has been<br />
reported on A. auriculiformis (Widyastuti et al. 1998b).<br />
Acacia auriculiformis is resistant to heart rot and except<br />
for this disease the risk rating for these other acacias is<br />
the same as for A. mangium.<br />
4.2. Agathis dammara<br />
Indonesian common name: Damar<br />
Agathis dammara (Lambert) Rich (syn.<br />
A. loranthifolia) is a conifer native to Indonesia and<br />
occurs naturally in Sulawesi and the Moluccas. It also<br />
occurs in the Philippines. Agathis borneensis Warb.<br />
occurs in Sumatra and <strong>Borneo</strong>, and Peninsular<br />
Malaysia; some authors treat it as synonymous with<br />
A. dammara. About 66 000 ha of A. dammara<br />
plantations have been established in the provinces of<br />
Central and <strong>East</strong> Java, particularly in mountainous<br />
areas, over the past few decades (Perum Perhutani<br />
1995). It provides a general-purpose timber and is<br />
tapped for resin (copal).<br />
<strong>Insect</strong> <strong>pests</strong><br />
No major insect pest problem has occurred on<br />
A. dammara, in Indonesia. Two unidentified beetles<br />
have been recorded from seeds (Zethner et al. 1996).<br />
Diseases<br />
In nurseries, damping off caused by species of<br />
Fusarium, Rhizoctonia and Pythium has been caused<br />
up to 90% mortality of seedlings (Suharti et al. 1991)<br />
but effective fungicidal control methods are available.<br />
In nurseries and young plantations, rust caused by<br />
Aecidium fragiformae has been noted (Hadi et al.<br />
1996). It causes reddish brown raised lesions on the<br />
leaves. Although it may cause some growth<br />
retardation, it is not considered a serious problem.
20 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
Pink disease (Corticium salmonicolor) can occur in<br />
young plantations (Suharti 1983), particularly when<br />
the canopy closes and the humidity increases.<br />
Thinning reduces the incidence of disease by lowering<br />
humidity.<br />
Threat assessment<br />
Outside Indonesia, decay of mature trees has been<br />
recorded in the Philippines and moths (Agathiphaga<br />
spp.) can destroy the seeds (Bowen and Whitmore<br />
1980) but A. dammara has been grown successfully<br />
in Java for many years and there is no major threat of<br />
<strong>pests</strong> and diseases.<br />
4.3. Alstonia species<br />
Indonesian common name: Pulai<br />
Two species of Alstonia (Apocynaceae) are of<br />
commercial importance in Indonesia (Whitten et al.<br />
1996). Alstonia scholaris is common in drier areas<br />
and A. spatulata in swamps. Alstonia scholaris is<br />
mainly planted, particularly in West Kalimantan, and<br />
yields good pulp and plywood timber.<br />
<strong>Insect</strong> <strong>pests</strong><br />
No information is available on <strong>pests</strong> in Indonesia,<br />
except that the freshly felled logs are attacked by<br />
pinhole borers of the families Scolytidae and<br />
Platypodidae (Sukartana 1996).<br />
Diseases<br />
No diseases have been reported.<br />
Threat assessment<br />
A few insect <strong>pests</strong> have been reported on living trees<br />
outside Indonesia. In Guangxi, China, the psyllid,<br />
Pseudophacopteron alstonium (Homoptera) produces<br />
galls on the leaf (Yang and Li 1983). In India,<br />
caterpillars of a pyralid moth, Glyphodes bicolor have<br />
been recorded (Beeson 1941) and in Kerala an<br />
unidentified Glyphodes sp. which feeds in folded leaves<br />
causes sporadic damage to isolated trees under seminatural<br />
conditions (K.S.S. Nair unpublished). While<br />
there is no indication of threat from diseases, the<br />
plantation history of A. scholaris is too short to draw<br />
a similar conclusion for insect <strong>pests</strong>.<br />
4.4. Anthocephalus cadamba<br />
Indonesian common name: Jabon<br />
Anthocephalus cadamba (Roxb.) Miq. (syn.<br />
A. chinensis auct.non (Lamk.) Rich. ex Walp.;<br />
Neolamarckia cadamba ((Roxb.) Bosser) (Rubiaceae)<br />
is a fast growing, medium- to large tree. Some authors<br />
prefer to use the new generic name, Neolamarckia. It<br />
has a light coloured wood used for plywood, light<br />
construction and pulping. Another species of the genus,<br />
A. macrophyllus, occurs naturally in Sulawesi and the<br />
Moluccas (Smits et al. 1993).<br />
Anthocephalus cadamba is planted mainly in HTI<br />
plantations in North Sumatra, Riau and Central<br />
Kalimantan. It is also planted in Java to replace poor<br />
teak plantations after harvest.<br />
<strong>Insect</strong> Pests<br />
White grubs (larvae of some groups of beetles) feeding<br />
on the roots damage 1-2-year-old trees planted under<br />
taungya system in Java (Intari and Natawiria 1973).<br />
Selander (1990) reported heavy defoliation of<br />
experimental plantations of A. cadamba in South<br />
Kalimantan by an unidentified caterpillar and Ngatiman<br />
and Tangketasik (1987) recorded some unidentified<br />
insects (presumably, caterpillars) in plantations in <strong>East</strong><br />
Kalimantan. Suratmo (1987) refers to Margaronia sp.<br />
(Lepidoptera, Pyralidae) as a defoliator of A. cadamba.<br />
Suratmo (1996) observed that plantations raised in small<br />
areas have been seriously attacked by an undetermined<br />
defoliator, which has prevented further planting of this<br />
otherwise promising fast growing species.<br />
Diseases<br />
No diseases have been reported on A. cadamba in<br />
Indonesia.<br />
Threat assessment<br />
In India, a longhorn beetle, Batocera numitor<br />
(Coleoptera, Cerambycidae) bores into the base of the<br />
stem of unhealthy trees; and a caterpillar, Margaronia<br />
hilaralis (Lepidoptera, Pyralidae) skeletonises leaves<br />
(Beeson 1941). Other polyphagous, leaf feeding,<br />
caterpillars have also been noted in India, but no serious<br />
pest situation has developed. Leaf feeding caterpillars<br />
are potential threats but the plantation history is too<br />
short to make informed judgment. The main diseases
K.S.S. Nair and Sumardi 21<br />
reported outside Indonesia are on nursery seedlings<br />
and include damping-off by Fusarium and Pythium<br />
spp. in Malaysia (Chin 1995) and leaf blight by<br />
Rhizoctonia in India (Mehrotra 1993). Apart from<br />
nursery diseases, which can be controlled by<br />
appropriate nursery practices and fungicides, there<br />
appears to be no major threat of diseases.<br />
4.5. Azadirachta excelsa<br />
Indonesian common name: Nimba, Nimbo<br />
Azadirachta excelsa (Meliaceae) is native to Southeast<br />
Asia. Its valuable timber is used for light construction<br />
and veneering. Plantations of A. excelsa have been<br />
established in Sumatra.<br />
<strong>Insect</strong> <strong>pests</strong><br />
No information is available on <strong>pests</strong> of A. excelsa in<br />
Indonesia.<br />
Diseases<br />
No information is available.<br />
4.5.3. Threat assessment<br />
Four species of thrips (Thysanoptera, Thripidae) and<br />
a moth caterpillar, Loboschiza vulnerata (Lepidoptera,<br />
Tortricidae) have caused minor damage to A. excelsa<br />
plantations in Malaysia (Intachat 1997). The teamosquito<br />
bug, Helopeltis antonii (Heteroptera,<br />
Myriidae) has attacked tender shoots of the related<br />
species, A. indica (neem) in India. Azadirachta excelsa<br />
leaves contain insecticidal and insect repellent<br />
chemicals, as in neem, and is resistant to most insects.<br />
There is no indication of a threat by <strong>pests</strong> and diseases.<br />
4.6. Dalbergia spp.<br />
Indonesian common names: Sonokeling<br />
(D. latifolia), Sonosissoo (D. sisso)<br />
Dalbergia latifolia and D. sissoo (Leguminosae) have<br />
been raised in plantations in Indonesia. Both species<br />
yield construction and specialty timber and D. latifolia<br />
(Indian rosewood) is highly prized for furniture and<br />
decorative veneers.<br />
There are over 25 000 ha of Dalbergia plantations in<br />
Java, mostly in Central Java, but the proportion of<br />
each species is not available.<br />
<strong>Insect</strong> Pests<br />
Prawirohatmodjo et al. (1993) observed that various<br />
insects such as leaf miners, defoliators and stem borers<br />
cause minor damage to Dalbergia trees in Java, but<br />
details are not available. Root feeding by the termites,<br />
Macrotermes gilvus and Odontotermes grandiceps<br />
occurs but damage is negligible (Intari et al. 1995).<br />
Diseases<br />
There is a high rate of mortality of nursery seedlings<br />
caused by damping-off fungi. In 1973, about 300 ha of<br />
a 15-year-old D. latifolia plantation in <strong>East</strong> Java was<br />
severely damaged by a disease characterised by inrolling<br />
of young leaves and discoloration of older leaves,<br />
followed by red streaks on the outer layers of sapwood,<br />
finally resulting in the death of the trees (Suharti and<br />
Hadi 1974). The disease was attributed to Fusarium<br />
solani. Root rot caused by Ganoderma sp. resulted in<br />
the death of trees in plantations and along roadsides in<br />
Yogyakarta (Widyastuti and Sumardi 1998).<br />
Threat assessment<br />
Several insect <strong>pests</strong> of Dalbergia spp. have been<br />
recorded outside Indonesia. In India, Pakistan and<br />
Nepal they include root-feeding termites, lepidopteran<br />
defoliators, curculionid defoliators, leaf miners and<br />
tree hoppers. Of these, the defoliator, Plecoptera<br />
reflexa (Lepidoptera, Noctuidae) has caused regular<br />
defoliation in plantations in northern India and Pakistan.<br />
Epidemics of the leaf miner, Leucoptera sphenograpta,<br />
have occurred occasionally in nurseries in India and<br />
Pakistan. As this insect outbreaks took place in<br />
northern latitudes with cooler climates, they are<br />
unlikely to be a threat in Indonesia.<br />
A large number of diseases, including damping-off, root<br />
rot and leaf blight of nursery seedlings; and leaf and<br />
twig rust, root rot, stem canker and leaf spot of older<br />
plants caused by a variety of fungi have been reported<br />
on D. sissoo in India. Some of these have also been<br />
recorded on D. latifolia. A wilt disease, similar to that<br />
reported by Suharti and Hadi (1974) on D. latifolia in<br />
Indonesia (see above), damaged D. sissoo in India<br />
(ICFRE 1995). Trees aged 15-25 years were<br />
susceptible. It was concluded that the soil borne
22 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
fungus, Fusarium solani, invades the root system,<br />
destroys the root hairs, the finer rootlets and the<br />
bacterial nodules, and travels a short distance along<br />
the stem, clogging vessels and tissues in the sapwood<br />
(which develops pinkish brown stain) and stopping<br />
the flow of sap to the crown and finally causing the<br />
tree to die. Although this appears to be a serious<br />
disease, no incidence of this disease has been reported<br />
in Indonesia since the first episode in 1973. As<br />
Dalbergia ssp.have been grown successfully in<br />
Indonesia for a long time, more critical study is<br />
needed on the differential susceptibility of D. sissoo<br />
and D. latifolia to F. solani wilt.<br />
4.7. Dipterocarpaceae<br />
(Dipterocarps)<br />
Indonesian common names: Meranti, Balau,<br />
Sengkawang, etc.<br />
Natural forests in Indonesia are dominated by<br />
dipterocarps but they have not received much attention<br />
as plantation species. Apart from experimental plantings<br />
in West Java since the 1950s, most planting has been<br />
enrichment planting of logged-over forests using<br />
wildlings. There is renewed interest in dipterocarps and<br />
plantations are being established, mainly in the provinces<br />
of West, Central, <strong>East</strong> and South Kalimantan, South<br />
Sumatra and Jambi (see Fig. 2.1). In addition, Perum<br />
Perhutani intends to use them to replace poor pine<br />
plantations in West Java.<br />
The species planted are mainly Shorea and<br />
Dipterocarpus spp. The genus Shorea consists of many<br />
species commercially grouped on wood characteristics<br />
into red meranti, white meranti, yellow meranti, balau<br />
and red balau. Most Shorea spp. have been tried in<br />
experimental plantations and the relatively fast-growing<br />
S. leprosula, S. selanica, S. javanica, S. smithiana and<br />
S. parviflora are receiving more attention. The rates<br />
of growth of these species differ between regions but<br />
S. leprosula grows faster in most places. In cooperation<br />
with Japanese plantation companies (Japan is the main<br />
importer of Indonesian dipterocarp timber), FERDA<br />
(Forestry and Estate Crops Research and Development<br />
Agency of Indonesia) and some universities have<br />
compared the performance of Shorea spp. seedlings<br />
and rooted cuttings and established experimental<br />
plantations. There will be about 500 ha of plantations in<br />
West Java and Sumatra (Riau and Jambi), mostly S.<br />
leprosula and S. selanica.<br />
<strong>Insect</strong> <strong>pests</strong><br />
Major insect <strong>pests</strong> recorded on dipterocarps are listed in<br />
Table 4.3. Various species of weevils (Coleoptera) and<br />
small moths (Lepidoptera) attack the seeds when the<br />
fruits are on the tree and after they are shed (Curran and<br />
Leighton 1991). They damage 40-90% of seeds of<br />
several Shorea spp., Dipterocarpus cornutus and Hopea<br />
odorata (Natawiria et al. 1986). Nursery seedlings of<br />
Shorea leprosula and S. parviflora in <strong>East</strong> Kalimantan<br />
are killed by gall forming mites (Rahayu et al. 1998). In<br />
Sumatra, a sap-sucking bug, Mucanum sp. (Hemiptera,<br />
Pentatomidae) kills Shorea javanica seedlings in nurseries<br />
(Intari 1996) and the sap-sucking cicada, Lawana<br />
candida, is an occasional pest of 7- to 9-year-old S.<br />
leprosula in <strong>East</strong> Kalimantan (Rahayu et al. 1998).<br />
Unidentified bagworms and other caterpillars have caused<br />
serious damage to 5-7-year-old trees of several Shorea<br />
spp. in <strong>East</strong> Kalimantan (Rahayu et al. 1998). The<br />
polyphagous caterpillar Calliteara cerigoides is a serious<br />
defoliator of dipterocarps in Indonesia (Messer et al. 1992,<br />
Matsumoto 1994). The species attacked include Shorea<br />
leprosula, S. pinanga, S. selanica, S. stenoptera, Hopea<br />
mengrawan and H. odorata. Some defoliated saplings of<br />
H. mengrawan succumbed to the damage. Minor leaf<br />
damage by caterpillars and scarabaeid beetles has been<br />
noticed in plantations of S. leprosula and S. selanica in<br />
West Java (K.S.S. Nair, unpublished observations).<br />
Termites attack living dipterocarps and may cause death<br />
of trees (Nuhamara 1977; Elouard 1998).<br />
Diseases<br />
Several fungi, including Cylindrocarpon sp. and<br />
Curvularia sp. attack dipterocarp seeds and reduce<br />
germinability. Seedlings and saplings suffer leaf spots,<br />
root and collar rots, defoliation, and darkening of root<br />
and twig bark, caused by a variety of fungi, notably,<br />
Fusarium spp. (Table 4.4). Information on fungi on<br />
dipterocarps in Indonesia and the diseases they cause<br />
is available in Elouard (1991, 1998). Gall formation on<br />
shoots of seedlings and saplings of Shorea spp. is<br />
attributed to the bacterium Agrobacterium tumefaciens<br />
in Java, Sumatra and Kalimantan and an insectvector is<br />
suspected (Elouard 1998). Recently, Rahayu et al.<br />
(1998) noted a similar disease resulting in abnormal<br />
tissue proliferation (prolepsis) and stunting of Shorea
K.S.S. Nair and Sumardi 23<br />
Table 4.3. <strong>Insect</strong> <strong>pests</strong> of dipterocarps in Indonesia<br />
Type of damage<br />
Scientific name<br />
Common name<br />
Tree species<br />
Notes<br />
Seed damage<br />
Nanophyes shoreae<br />
(Coleoptera, Curculionidae)<br />
weevil<br />
Shorea spp.<br />
Hopea odorata<br />
Alcidodes dipterocarpi<br />
(Coleoptera, Curculionidae)<br />
weevil<br />
Shorea smithiana and<br />
Dipterocarpus cornutus<br />
Unidentified pyralid (Lepidoptera)<br />
moth larva<br />
Shorea spp.<br />
Sap sucking<br />
Mucanum sp.<br />
(Hemiptera, Pentatomidae)<br />
plant bug<br />
Shorea javanica<br />
On seedlings in<br />
nurseries<br />
Lawana candida<br />
(Homoptera, Cicadidae)<br />
cicada<br />
Shorea leprosula<br />
Occasional pest on<br />
older plants<br />
Leaf feeding<br />
Calliteara cerigoides<br />
(Lepidoptera, Lymantriidae)<br />
hairy caterpillar<br />
Several species of Shorea<br />
and Hopea<br />
Serious pest<br />
Unidentified bagworm<br />
bagworm<br />
Shorea smithiana<br />
Unidentified beetles<br />
(Coleoptera, Scarabaeidae)<br />
scarabaeid<br />
beetles<br />
Shorea spp.<br />
Table 4.4. Diseases of dipterocarps in Indonesia<br />
Type of damage<br />
Flower destruction and seed abortion<br />
Necrosis/decay of seeds<br />
Leaf spots, root and collar rot, bark<br />
necrosis and defoliation of seedlings<br />
Leaf spot and defoliation in saplings<br />
Gall formation on shoots of seedlings<br />
and saplings<br />
Heart rot of trees<br />
Causative agent<br />
Curvularia harveyi<br />
Cylindrocarpon destructens (Nectria radiocola)<br />
Complex of bacteria and fungi<br />
Fusarium spp.<br />
Asterina, Capnodium, Cercospora,<br />
Collectotrichum and Pestalotia<br />
Agrobacterium tumefaciens<br />
-<br />
Species affected<br />
Shorea pinanga<br />
Shorea pinanga<br />
several<br />
Shorea spp.<br />
Many<br />
Shorea spp.<br />
S. javanica<br />
assamica and S. lamellata seedlings in <strong>East</strong> Kalimantan.<br />
They also found leaf spots, leaf blight and stem cankers<br />
on saplings of Shorea spp., but the damage was not<br />
serious. There is heart rot in about 10% of Shorea<br />
javanica tapped for resin in Sumatra (Elouard 1991).<br />
Threat assessment<br />
<strong>Insect</strong>s in Indonesian dipterocarp plantations are<br />
polyphagous and none seems to be specially adapted to<br />
dipterocarps. The hairy caterpillar, Calliteara cerigoides<br />
has been consistently associated with experimental<br />
dipterocarp plantings but there is no serious pest<br />
problem in about 11 000 ha of Shorea johorensis,<br />
S. leprosula and S. parviflora plantations of PT. Kiani<br />
Hutani Lestari in <strong>East</strong> Kalimantan (Suhendi and<br />
Sembiring 1998). Except for Helopeltis clavifer<br />
(Hemiptera, Miridae) damage to seedlings, there has<br />
been no major pest problem in Malaysia where
24 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
dipterocarps have been planted for a longer period. An<br />
exception is Shorea robusta (sal) in India, where<br />
devastating outbreaks of a borer, Hoplocerambyx<br />
spinicornis (Coleoptera, Cerambycidae) have<br />
occurred periodically in northern latitudes (Roonwal<br />
1978). There was a large outbreak of a hairy<br />
caterpillar in over 12 000 ha of natural peat swamp<br />
forest of Shorea albida in Sarawak and Brunei during<br />
the 1950s (Anderson 1961). This may be an<br />
exceptional situation but details are sketchy. While<br />
there is no indication of any serious emerging pest<br />
problem in dipterocarps, the situation needs<br />
monitoring. In general, the resin present in<br />
dipterocarps may afford protection against insects.<br />
Diseases do not seem to be a major threat.<br />
4.8. Dyera spp.<br />
Indonesian common name: Jelutung<br />
At least three species of Dyera (Apocynaceae):<br />
D. costulata, D. polyphylla and D. lowii occur in<br />
Indonesia (Whitten et al. 1987; Kessler and Sidiyasa<br />
1994). In Kalimantan, D. costulata and D. polyphylla<br />
occur in lowland swamp forests and they have been<br />
tapped for latex and their soft timber used for<br />
manufacturing plywood, toys, boards, etc.<br />
Plantations of Dyera spp. are being established South<br />
Kalimantan and Jambi provinces.<br />
<strong>Insect</strong> <strong>pests</strong><br />
No information is available.<br />
Diseases<br />
No information is available except for the occurrence<br />
of sapstain fungi on freshly cut logs (Martono 1989).<br />
Threat assessment<br />
Little information is available from other countries.<br />
In Malaysia, where there are trial plantations of<br />
D. costulata (Appanah and Weinland 1993), seeds<br />
were damaged by ants (Duncan 1977) but no major<br />
<strong>pests</strong> recorded. The timber is susceptible to damage<br />
by powder-post beetles. It appears that there is no<br />
major threat of <strong>pests</strong> and diseases for plantations of<br />
Dyera spp. Perhaps the latex affords protection as it<br />
does in most other Apocyanaceae.<br />
4.9. Eucalyptus spp.<br />
Indonesian common names: Empupu, Leda,<br />
Ekaliptus<br />
As in many tropical countries, Eucalyptus spp.<br />
(Myrtaceae) have been planted over large areas in<br />
Indonesia for pulpwood production. The main species<br />
planted are E. deglupta and E. urophylla, which are<br />
native to Indonesia although their natural distribution<br />
is in the eastern islands. Many other species have been<br />
tried in small-scale experimental plantations, notably,<br />
E. camaldulensis, E. grandis, E. pellita, E. tereticornis<br />
and E. torelliana. Most plantations are in Sumatra<br />
(Aceh, North Sumatra, Jambi) and Kalimantan (West,<br />
<strong>East</strong> and South Kalimantan).<br />
<strong>Insect</strong> <strong>pests</strong><br />
In the nursery, eucalypt seedlings may be attacked by<br />
several insects, including a pyralid leaf roller (probably<br />
Archips micaceana), the jassid bug, Kolla bataviae, the<br />
curculionid shoot borer, Alcides sp. and the teamosquito<br />
bug, Helopeltis spp. (Table 4.5) (Hardi 1993;<br />
Rachmatsyah and Haneda 1998). Generally, they have<br />
not posed a major threat, and chemical control methods<br />
have been tested (Hardi 1993). Transplanted saplings<br />
are attacked, particularly during the field establishment<br />
phase, by species of subterranean termites that often<br />
cause substantial mortality unless prophylactic chemical<br />
protection is given (Intari and Natawiria 1976; Selander<br />
1990; Santoso and Hardi 1991). Older plants are<br />
attacked by Helopeltis spp., which cause dieback of<br />
young shoots and are a serious pest in North Sumatra<br />
where up to 57% of trees may be infested (Hardi and<br />
Intari 1990). Saplings are attacked by Zeuzera coffeae<br />
(Lepidoptera, Cossidae), which bore into the stem and<br />
often cause it to break; Suratmo (1996) reported that<br />
12-30% of saplings might be infested in Sumatra and<br />
Kalimantan. Recently, an unidentified borer killed 1000<br />
ha of 2-3-year-old E. deglupta plantation of PT. Hutan<br />
Kusuma (Soepangkat 1998). Most probably, this<br />
damage was caused by the varicose borer, Agrilus<br />
sexsignatus (Coleoptera, Buprestidae) which devastated<br />
some plantations in the Philippines in the 1970s.<br />
Eucalyptus deglupta trees weakened by other<br />
causes and the Papua New Guinea provenances<br />
are very susceptible to this borer whose density in<br />
attacked plants has reached 37 larvae m -2 of wood<br />
surface in the Philippines (Braza 1988, 1992).
K.S.S. Nair and Sumardi 25<br />
Table 4.5. <strong>Insect</strong> <strong>pests</strong> of eucalypts in Indonesia<br />
Category<br />
Scientific name<br />
Common name<br />
Notes<br />
Nursery <strong>pests</strong><br />
Helopeltis spp.<br />
(Hemiptera, Miridae)<br />
Tea mosquito bug<br />
Unidentified<br />
(Lepidoptera, Pyralidae)<br />
Leaf roller<br />
Alcides sp.<br />
(Coleoptera, Curculionidae)<br />
Shoot borer<br />
On young transplants<br />
Several species (Termitidae)<br />
Subterranean termites<br />
Causes plant mortality<br />
Saplings<br />
Helopeltis spp.<br />
(Hemiptera, Miridae)<br />
Tea-mosquito bug<br />
Causes die-back of<br />
shoots<br />
Zeuzera coffeae<br />
(Lepidoptera, Cossidae)<br />
Red borer<br />
Unidentified borer (probably Agrilus<br />
sp., Coleoptera, Buprestidae)<br />
Only on weakened trees,<br />
causes heavy mortality<br />
In general, there are no major pest problems in older<br />
eucalypt plantations.<br />
Diseases<br />
In the nursery, eucalypt seedlings are susceptible to<br />
damping-off by Pythium and Fusarium spp. (Sitepu<br />
and Suharti 1998). The diseases can be managed by<br />
appropriate nursery techniques (controlling soil<br />
quality, water regime and crowding of seedlings) and,<br />
when necessary by fungicides. Older seedlings and<br />
saplings are affected by leaf spot diseases caused<br />
by several fungi (Table 4.6). Stem canker of saplings<br />
caused by Corticium salmonicolor (pink disease) has<br />
occurred in North Sumatra but little information is<br />
available on its severity and extent of incidence.<br />
Death of older trees caused by root rot has often<br />
been noted and the associated pathogens were<br />
Pythium sp., Phytophthora sp. and Botryodiplodia<br />
sp. (Anggraeni and Suharti 1997). In a 7-year-old<br />
plantation of E. urophylla examined by one of us<br />
(K.S.S.N.) at Sebulu, <strong>East</strong> Kalimantan, several trees<br />
in patches were found dead due to root disease. In<br />
future plantings in this area E. urophylla is being<br />
replaced with E. pellita which is less susceptible to<br />
diseases (S.S. Maurits personal communication).<br />
Stem canker was also observed on some trees. Stem<br />
canker on Eucalyptus has been attributed to Nectria<br />
sp. (Nazif and Suharti 1990) and in Riau, Sumatra,<br />
52% of 5-year-old trees in a 10 ha E. urophylla<br />
plantation had stem canker (Nectria sp.) and nearly<br />
5% were killed (Suharti and Santoso 1995).<br />
Threat assessment<br />
Pests are not a major constraint to eucalypt<br />
plantations. Nursery <strong>pests</strong>, and termites that attack<br />
the out-planted saplings during plantation<br />
establishment stage, can be effectively managed.<br />
Table 4.6. Diseases of eucalypts in Indonesia<br />
Disease<br />
Damping-off<br />
Leaf spot<br />
Leaf blight<br />
Pink disease<br />
Root rot<br />
Stem canker<br />
Causative agent<br />
Pythium sp.,<br />
Fusarium sp.<br />
Pestalotia sp.,<br />
Curvularia sp.,<br />
Mycosphaerella spp.<br />
Cylindrocladium<br />
multiseptatum<br />
Kirramyces<br />
destructens<br />
Corticium<br />
salmonicolor<br />
Phytophthora sp.,<br />
Botryodiplodia sp.<br />
Nectria sp.<br />
Notes<br />
In nurseries<br />
On seedlings<br />
and saplings<br />
On saplings<br />
On saplings<br />
On saplings<br />
On older trees<br />
On older trees
26 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
Experience with extensive eucalypt plantations outside<br />
Indonesia is similar. The buprestid borer, Agrilus<br />
sexsignatus, which affected some plantations in the<br />
Philippines, was restricted to plantations growing on<br />
poor sites and a particular provenance. Two serious<br />
<strong>pests</strong> of eucalypts of Australian origin, Phoracantha<br />
(borer) and Gonipterus (defoliator), were accidentally<br />
introduced into some eucalypt growing countries in<br />
Africa and the Mediterranean where they spread rapidly<br />
causing economic damage. Therefore, vigilance is<br />
necessary against accidental introduction of these <strong>pests</strong>.<br />
Nursery diseases can be kept in check by using<br />
fungicides and appropriate nursery management<br />
techniques. However, root disease affecting older trees<br />
is a serious problem which is likely to be aggravated in<br />
the future because inoculum build up will occur over<br />
successive short rotations and there is no effective control<br />
method. Root isolation by trenching around diseased trees<br />
is practised but is costly and not fully effective.<br />
Phytophthora sp. is one of the causative agents identified.<br />
Phytophthora cinnamomi is a serious and widespread<br />
pathogen of E. marginata (jarrah) forests in Australia,<br />
with a wide host range (Keane et al. 2000). There is<br />
urgent need for an in-depth study of the fungi associated<br />
with root rot of eucalypts in Indonesia and to screen<br />
Eucalyptus species and provenances for resistance to<br />
root rot. Leaf diseases, e.g. Cylindrocladium spp., have<br />
been a serious problem in humid tropical environments<br />
in parts of Asia, but while some have been recorded in<br />
Indonesia, e.g. Macrophoma sp., they are not yet<br />
considered a potential threat.<br />
4.10. Eusideroxylon zwageri<br />
Indonesian common name: Ulin<br />
Eusideroxlon zwageri (Lauraceae), also called ironwood,<br />
is a highly valued indigenous timber species in Indonesia.<br />
It is a monotypic species distributed in Sumatra,<br />
Kalimantan and some adjacent islands (Kostermans et<br />
al. 1993). It is one of the heaviest and highly durable<br />
timbers and has a variety of uses. In Sumatra and<br />
Kalimantan it is traditionally used for roof shingles.<br />
Plantations are being established in South Kalimantan.<br />
<strong>Insect</strong> <strong>pests</strong><br />
There are no records of <strong>pests</strong> on the living tree, but<br />
seeds are damaged by insects (Kostermans et al.<br />
1993). The wood is highly resistant to termite attack.<br />
Diseases<br />
No disease of the living tree is on record.<br />
Threat assessment<br />
Although there is very little plantation experience with<br />
this species, available information suggests that there<br />
is no threat of <strong>pests</strong> and diseases.<br />
4.11. Gmelina arborea<br />
Indonesian common name: Gmelina<br />
Gmelina arborea (Verbenaceae) is exotic to<br />
Indonesia, although the related G. moluccana occurs<br />
naturally in the Moluccas (Yap et al. 1993). It is a<br />
relatively fast growing species, which produces a<br />
lightweight hardwood suitable for construction,<br />
carving, etc. It also yields good quality pulp. There<br />
are large-scale plantations in Sumatra (Riau, West<br />
Sumatra, Jambi, South Sumatra and Lampung),<br />
Kalimantan (West, Central, South and <strong>East</strong><br />
Kalimantan) and the Moluccas (Fig. 2.1). Small<br />
plantations have been raised in Java.<br />
<strong>Insect</strong> <strong>pests</strong><br />
No major insect <strong>pests</strong> have been found on G. arborea<br />
plantations in Indonesia, although there are minor <strong>pests</strong>.<br />
One of the insects consistently associated with it is a<br />
carpenter worm, Prionoxystus sp. (Lepidoptera,<br />
Cossidae). The larva bores into the stem of saplings,<br />
feeds from within and weakens the tree. In <strong>East</strong><br />
Kalimantan, 5-70% of saplings may be infested<br />
(Ngatiman and Tangketasik 1987) and it also occurs in<br />
Java and Sumatra. Injecting the larval tunnel with<br />
lubricant oil and plugging the hole was effective for<br />
control (Pramono et al. 1998). One of us (K.S.S.N.)<br />
observed at Sebulu, <strong>East</strong> Kalimantan about 80% of<br />
saplings stumped to produce multiple shoots in a clonal<br />
multiplication area, were infested by this borer. The<br />
infestation is conspicuous because the larval frass<br />
accumulates on the ground, at the base of the plant.<br />
However, the damage is not serious. Multiple infestations<br />
may weaken the saplings, but they are not killed, and<br />
the insect does not build up in large numbers because it<br />
passes through only one generation per year. Shoot<br />
cuttings kept in the nursery for rooting were attacked<br />
by an unidentified borer, possibly, Alcidodes ludificator<br />
(syn. Alcides gmelinae) (Coleoptera, Curculionidae).<br />
This small curculionid beetle bores into the young green
K.S.S. Nair and Sumardi 27<br />
shoots of G. arborea in India and Myanmar (Beeson<br />
1941). In a review paper, Suratmo (1996) listed<br />
Alcidodes ludificator and Apion argulicolle (Coleoptera,<br />
Curculionidae) as <strong>pests</strong> of G. arborea in Indonesia. He<br />
also listed Xyleborus fornicatus (Coleoptera,<br />
Scolytidae), Selepa celtis (Lepidoptera, Noctuidae) and<br />
Calopepla leayana (Coleoptera, Chrysomelidae) among<br />
<strong>pests</strong> of G. arborea and observed that in 2-3-year-old<br />
trees 100% defoliation has been recorded. However,<br />
Sitepu and Suharti (1998) have listed only Prionoxystus<br />
sp. as a pest of G. arborea. Other insects recorded<br />
include the well-known teak beehole borer, Xyleutes<br />
ceramicus (Rachmatsyah and Haneda 1998).<br />
Diseases<br />
In nurseries, damping off caused by Pythium,<br />
Phytophthora and Rhizoctonia spp. is common<br />
(Rahayu 1999). Anthracnose disease characterised by<br />
sudden death of seedlings, caused by Colletotrichum<br />
sp., has been reported (Kobayashi and Zinno 1984).<br />
Root rot disease caused by Botryodiplodia sp. has<br />
affected young plantations in South Kalimantan, Jambi<br />
and Sumatra (Anggraeni and Suharti 1997).<br />
Ganoderma sp. has been isolated from the roots of<br />
dead trees of G. arborea in the campus of Gajah Mada<br />
University in Yogyakarta.<br />
Threat assessment<br />
Gmelina arborea has several serious <strong>pests</strong> in countries<br />
where it is native. The most damaging is the beetle<br />
defoliator, C. leayana. Suratmo (1996) lists it as a pest<br />
of G. arborea in Indonesia but no details are available<br />
and other reviewers do not mention it. Since this is a<br />
potentially dangerous pest which has become a limiting<br />
factor for large-scale cultivation of G. arborea in its<br />
native range, more investigation is needed on the<br />
occurrence and severity of this pest in Indonesia. Other<br />
serious <strong>pests</strong> of G. arborea outside Indonesia include<br />
the sap-sucking bug, Tingis beesoni (Hemiptera,<br />
Tingidae) which builds up in outbreak proportions in<br />
young plantations, causing defoliation and shoot dieback<br />
in India (Beeson 1941; Nair and Mathew 1988);<br />
the defoliator, Ozola minor (Lepidoptera, Geometridae)<br />
in the Philippines (Yemane 1990); and the stem borer,<br />
Glena indiana (Coleoptera, Cerambycidae) in Thailand<br />
(Hutacharern 1990). None of these has been reported<br />
in Indonesia. At present, there are no major pest<br />
problems in G. arborea plantations in Indonesia. This is<br />
a similar situation to Brazil and some African countries<br />
where G. arborea has been planted as an exotic. Two<br />
common minor <strong>pests</strong> in Indonesia are the cossid borer,<br />
Prionoxystus sp., attacking saplings and the unidentified<br />
curculionid borer attacking green shoots in the nursery.<br />
In clonal multiplication orchards and high value<br />
plantations, where attention can be given to individual<br />
plants, Prionoxystus sp. can be controlled by injecting<br />
a suitable insecticide solution to the larval tunnel or by<br />
pricking the larva using a wire probe. The curculionid<br />
borer in nurseries can also be controlled by using<br />
insecticides. Except for nursery diseases, for which<br />
effective control measures are available, there is no<br />
threat of diseases for G. arborea.<br />
4.12. Gonystylus bancanus<br />
Indonesian common name: Ramin<br />
Gonystylus bancanus (Thymelaeceae) is the most<br />
popular of the several species of Gonystylus endemic<br />
to the Malesian region. It is a characteristic associate<br />
of the dipterocarp forests in the lowland swamps in<br />
Sumatra and Kalimantan and is highly prized for its<br />
smooth whitish timber suitable for a variety of light<br />
construction, including cabinets (Soerianegara et al.<br />
1993). In addition to enrichment planting in logged<br />
over forests, industrial plantations of G. bancanus are<br />
being established in Jambi province in Sumatra.<br />
Pests<br />
No information is available on <strong>pests</strong> of G. bancanus,<br />
except that freshly felled timber is susceptible to<br />
pinhole borers.<br />
Diseases<br />
A disease of unknown etiology, affecting the<br />
heartwood of G. bancanus and G. macrophyllus, is<br />
known to produce ‘garrowood’, a highly valued<br />
resinous product used in perfumery (Sumadiwangsa<br />
1997). Although garrowood produced by Aquilaria<br />
spp. is the most highly prized, Gonystylus also shows<br />
potential. Except for this ‘beneficial disease’, no other<br />
disease is known.<br />
Threat assessment<br />
Gonystylus bancanus appears to be free of <strong>pests</strong> and<br />
diseases, but the plantation history is too short to<br />
become complacent. Continued monitoring is<br />
necessary.
28 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
4.13. Koompassia species<br />
Indonesian common name: Kempas<br />
The leguminous Koompassia spp. are characteristic<br />
associates of dipterocarp forests in the lowlands and<br />
lower hills. The three Indonesian species are<br />
Koompassia excelsa and K. malaccensis in Sumatra<br />
and Kalimantan and K. grandiflora in Irian Jaya. The<br />
dominant Koompassia trees in the upper storey are<br />
well known for sustaining the combs of the wild<br />
honeybee, Apis dorsata. The timber is durable and is<br />
used for a variety of purposes, including railway<br />
sleepers, flooring and furniture. Koompassia spp. in<br />
natural forests are now protected from cutting and<br />
the Ministry of Forestry and Estate Crops is<br />
encouraging the forest concessionaires to raise<br />
plantations of these species. Plantations have been<br />
established in Central Kalimantan.<br />
<strong>Insect</strong> <strong>pests</strong><br />
No information is available on <strong>pests</strong> of the living tree.<br />
Diseases<br />
No information is available on diseases of the living<br />
tree.<br />
Threat assessment<br />
Koompassia spp. appear to be free of <strong>pests</strong> and diseases<br />
but the plantation history is too short to draw valid<br />
conclusions.<br />
4.14. Maesopsis eminii<br />
Indonesian common name: Kayu afrika, Misopsis<br />
Maesopsis eminii (Rhamnaceae), a native of tropical<br />
Africa, was introduced into Java in 1920s and grown<br />
in home gardens. It has a light, general-purpose timber.<br />
Plantations have been raised in Sumatra.<br />
<strong>Insect</strong> <strong>pests</strong><br />
No insect <strong>pests</strong> have been recorded.<br />
Diseases<br />
No diseases have been recorded.<br />
Threat assessment<br />
In Uganda, a canker, caused by Fusarium solani was<br />
described in young trees growing stunted in poor soil<br />
(Schabel and Latiff 1993). There is no threat of <strong>pests</strong><br />
and diseases to this species that has been grown<br />
successfully for a long time in agroforestry systems<br />
in Java.<br />
4.15. Mangrove species<br />
Indonesian common name: Mangrove<br />
Natural mangrove forests are common along the very<br />
long Indonesian coastline. Plantations have been raised<br />
mainly to restore the natural vegetation in heavily<br />
degraded areas, to prevent coastal erosion, to facilitate<br />
coastal fisheries and to protect swamps. The<br />
commonly planted species are in the genera Avicennia,<br />
Bruguiera, Rhizophora and Sonneratia. Large<br />
plantations have been raised only in Java, while local<br />
people have undertaken small-scale planting in Bali and<br />
other places. Nearly 50 000 ha of plantations of<br />
Rhizophora spp. have been established in West and<br />
Central Java (Perum Perhutani 1995).<br />
<strong>Insect</strong> <strong>pests</strong><br />
The most common <strong>pests</strong> of mangroves in Indonesia<br />
are scale insects that attach themselves to the shoots<br />
and feed on the plant sap, often causing the leaves to<br />
wilt. Two species have been recorded: Chionaspis<br />
sp. (Intari 1997) and Aulacaspis marina (Takagi and<br />
Williams 1998) (Table 4.7). The stem borer, Zeuzera<br />
conferta (Lepidoptera, Cossidae) and the twig borer,<br />
Xyleborus sp. (Coleoptera, Scolytidae) occur and in<br />
combination often infest nearly 50% of stems of<br />
Avicennia spp. (Hardi 1997). Other <strong>pests</strong>, noted<br />
occasionally, include an unidentified leaf-feeding<br />
beetle, which damaged up to 80% of 3-month-old<br />
seedlings (Intari 1986) and the bagworms,<br />
Acanthopsyche sp. (Intari 1982) and Pteroma<br />
plagiophleps (Sitepu and Suharti 1998). A notable,<br />
non-insect pest is the crab, Sesarma sp. that cuts off<br />
the tops of seedlings in the nursery and new<br />
outplantings, often causing considerable mortality<br />
(Intari 1988).
K.S.S. Nair and Sumardi 29<br />
Table 4.7. <strong>Insect</strong> <strong>pests</strong> of mangroves in Indonesia<br />
Type of damage<br />
Scientific name<br />
Common name<br />
Tree species affected<br />
Notes<br />
Sap sucking<br />
Chionaspis sp.<br />
(Homoptera, Coccoidea,<br />
Diaspididae)<br />
Scale insect<br />
Rhizophora spp. and<br />
Bruguiera gymnorhiza<br />
Aulacaspis marina<br />
(Homoptera, Coccoidea,<br />
Diaspididae)<br />
Scale insect<br />
Rhizophora spp.<br />
Leaf feeding<br />
Unidentified beetle<br />
(Coleoptera)<br />
Beetle<br />
Bruguiera spp.<br />
On seedlings<br />
Pteroma plagiophleps<br />
(Lepidoptera,<br />
Psychidae)<br />
Bagworm<br />
Rhizophora spp.<br />
Acanthopsyche sp.<br />
(Lepidoptera,<br />
Psychidae)<br />
Bagworm<br />
Bruguiera sp.<br />
Stem boring<br />
Zeuzera conferta<br />
(Lepidoptera, Cossidae)<br />
Beehole borer<br />
Avicennia sp. and<br />
Rhizophora spp.<br />
Stem borer<br />
Xyleborus spp.<br />
(Coleoptera, Scolytidae)<br />
Scolytid borer<br />
Avicennia sp. and<br />
Rhizophora spp.<br />
Twig borer<br />
Threat assessment<br />
Among the insect <strong>pests</strong> in Indonesia, the borer,<br />
Z. conferta, has also been recognised as a pest of<br />
mangroves in Bangladesh (Chowdhury 1996). Most<br />
<strong>pests</strong> recorded affect the establishment stage and<br />
have seriously threatened the cultivation of<br />
mangroves. Rhizophora spp. have been grown<br />
successfully in Java for a long time. Defoliation<br />
during every summer, as occurs in Avicennia marina<br />
in Hong Kong (Anderson and Lee 1995), is rare.<br />
There are occasional defoliator outbreaks in natural<br />
stands of mangroves. In 1983, 500-1000 ha of an<br />
almost pure stand of Excoecaria agallocha<br />
(Euphorbiacae) was mass defoliated by caterpillars<br />
of Ophiusa melicerta (syn. Achaea janata)<br />
(Lepidoptera, Noctuidae) in North Sumatra (Whitten<br />
and Damanik 1986). Other such outbreaks include<br />
mass defoliation of the same species by Achaea serva<br />
(Lepidoptera, Noctuidae) in central Queensland,<br />
Australia (McKillup and McKillup 1997); of<br />
Avicennia alba by larvae of Cleora injectaria<br />
(Lepidoptera, Geometridae) in Thailand<br />
(Piyakarnchana 1981); and of A. marina by Hyblaea<br />
puera (Lepidoptera, Noctuidae) in India (Anonymous<br />
1996). These outbreaks are occasional events and<br />
are not a threat to mangrove plantations, particularly<br />
as the trees are not killed by defoliation.<br />
The only serious disease reported from the tropics is<br />
top death of Heritiera fomes over extensive areas of<br />
the mangrove forests of Sunderbans in Bangladesh<br />
(Rahman 1996), the etiology of which is not fully<br />
understood although some fungi and bacteria were<br />
implicated. There is no threat of diseases to mangrove<br />
plantations in Indonesia.<br />
4.16. Melaleuca cajuputi<br />
Indonesian common name: Kayu putih<br />
Melaleuca cajuputi, formerly known as M. leucodendron<br />
(Myrtaceae) (Blake 1968; Turnbull 1986), is native to<br />
Indonesia and planted in Java and Buru island in the<br />
Moluccas, particularly in degraded areas. It yields<br />
cajuput oil, which is distilled from the leaves. There<br />
are about 11 800 ha of plantations in the three provinces<br />
of Java (Perum Perhutani 1995).
30 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
<strong>Insect</strong> <strong>pests</strong><br />
Several species of subterranean termites are reported<br />
to attack young trees, up to 6 years old, often causing<br />
mortality up to 80% (Intari 1979; Intari and<br />
Wiriadinata 1984). <strong>Insect</strong>icidal treatments have been<br />
standardised for control. Among non-insect <strong>pests</strong>, a<br />
mite causes leaf gall.<br />
Diseases<br />
No disease has been encountered.<br />
Threat assessment<br />
Melaleuca cajuputi (as M. leucodendron) has been<br />
cultivated successfully in Indonesia for a long time.<br />
Apart from the subterranean termites that can be<br />
controlled effectively by soil treatment with suitable<br />
insecticides, there is no major threat of <strong>pests</strong> and<br />
diseases. The leaves contain chemical components<br />
that act as a feeding repellent to some insects<br />
(Doskotch et al. 1980; Alonso et al. 1996).<br />
4.17. Ochroma pyramidale<br />
Indonesian common name: Balsa<br />
Ochroma pyramidale (syn. O. lagopus; O.<br />
grandiflora) (Bombacaceae) has been planted in small<br />
areas in Indonesia, particularly, Java. A typical<br />
pioneering species native to Central and South America<br />
(Wiselius 1998), it has been planted mainly in degraded<br />
lands in Java and plantations are being established in<br />
Central Kalimantan.<br />
<strong>Insect</strong> <strong>pests</strong><br />
The red borer, Zeuzera coffeae (Lepidoptera,<br />
Cossidae) has been reported in a plantation 1.5 years<br />
old in Java (Wiselius 1998). This moth caterpillar is<br />
known to attack coffee, tea, cinchona and a few other<br />
small trees. The larvae bore into woody stems and<br />
branches and make a longitudinal tunnel along the pith,<br />
often causing death of the distal part of the branch. In<br />
most species it has not been a serious threat. No other<br />
pest has been noted on this species in Indonesia.<br />
Diseases<br />
No disease of O. pyramidale has been reported from<br />
Indonesia.<br />
Threat assessment<br />
Pests of O. pyramidale, recorded outside Indonesia,<br />
include a shoot borer, Anadasmus porinodus<br />
(Lepidoptera, Stenomidae) in Costa Rica (Becker<br />
1974) and a leaf roller, Sylepta derogata (Lepidoptera,<br />
Pyralidae), a common pest of malvaceous plants, in<br />
Kerala, India (Mathew 1980). All the known <strong>pests</strong>,<br />
including Z. coffeae in Indonesia, are polyphagous<br />
insects and there is no major threat to plantations of<br />
O. pyramidale in Indonesia.<br />
Diseases recorded outside Indonesia include a brown<br />
root rot in areas previously planted with cocoa in Papua<br />
New Guinea, caused by Phellinus noxius (Dennis<br />
1992); a bark canker in Ecuador, with which the<br />
hyphomycetes fungus Stilbella ecuadorensis was<br />
associated (Morgan et al. 1991); and a die-back in<br />
Kerala, India with which the fungi, Calonectria<br />
rigidiuscula and Fusarium moniliformae were<br />
associated (Sharma et al. 1985). However, there is no<br />
threat of disease in Indonesia where the tree has been<br />
grown successfully for a considerable time.<br />
4.18. Octomeles sumatrana<br />
Common name in Indonesia: Benuang<br />
Octomeles sumatrana (Datiscaceae) occurs naturally<br />
in Indonesia, except in Java and Nusa Tenggara<br />
(Fundter et al. 1997). It is fast growing and produces<br />
a light timber which is used for indoor construction.<br />
Plantations are being raised in Sumatra under the HTI<br />
scheme.<br />
<strong>Insect</strong> <strong>pests</strong><br />
The leaves are attacked by a moth caterpillar,<br />
Characoma sp. (Fundter et al. 1997). No information<br />
is available on the seriousness of damage.<br />
Diseases<br />
No diseases are known.<br />
Threat assessment<br />
No reliable judgment can be made as the plantation<br />
history is so short.
K.S.S. Nair and Sumardi 31<br />
4.19. Paraserianthes falcataria<br />
Indonesian common name: Sengon laut<br />
Paraserianthes falcataria (Leguminosae) is an<br />
exceptionally fast growing tree, native to the eastern<br />
islands of the Indonesian archipelago and New Guinea.<br />
It is widely planted in Indonesia, in industrial<br />
plantations in Java, Sumatra, Kalimantan, Sulawesi,<br />
Nusa Tenggara and Moluccas (Fig. 2.1), and in<br />
smallholder plantations in Java. The rotation period is<br />
usually 8 years. The area of large and small plantations<br />
has increased steadily over recent years. Wood from<br />
industrial plantations is used for pulp, whereas that<br />
from smallholder plantations has a variety of uses,<br />
including chopsticks, packing cases and furniture for<br />
local use.<br />
<strong>Insect</strong> <strong>pests</strong><br />
The major <strong>pests</strong> recorded on P. falcataria are listed in<br />
Table 4.8. The most notable is Xystrocera festiva<br />
(Coleoptera, Cerambycidae), which is becoming more<br />
serious as the area planted to the host increases. First<br />
reported in 1897 (Hardi et al. 1996), it is present in<br />
most areas where P. falcataria is grown in Indonesia,<br />
although most reports are from Java and Sumatra. In<br />
1990 it was not noted in trial plantations in South<br />
Kalimantan (Selander 1990) although Ngatiman and<br />
Tangketasik (1987) detected it in <strong>East</strong> Kalimantan. The<br />
severity of incidence appears to be higher in Java<br />
where the host has been cultivated for a long period.<br />
It has several other hosts including Acacia spp.,<br />
Pithecellobium sp., Samanea saman, and<br />
Enterolobium sp. Xystrocera festiva is one of the most<br />
studied forest insects in Indonesia and detailed<br />
information is available on its biology and impact.<br />
Matsumoto (1994) covers some aspects of its ecology<br />
and Kasno and Husaeni (1998) present a summary of<br />
its present status, with emphasis on control. The beetle<br />
lays eggs on fissures in the bark and the larvae initially<br />
feed underneath the bark, burrowing deeper into the<br />
wood as they grow to maturity in about 4 months.<br />
The larvae are somewhat gregarious, with several<br />
present at each infestation site. Severe infestation<br />
reduces the yield and quality of the wood, and often<br />
leads to death of the tree. Infestation usually begins<br />
when the trees are 2-3 years old and the percentage<br />
of infested trees increase with age. In <strong>East</strong> Java, the<br />
estimated yield loss is about 12% if the trees are<br />
harvested when 4 years old, and about 74% if<br />
harvested after 8 years (Notoatmodjo 1963).<br />
Xystrocera festiva is currently controlled by cutting<br />
and removing infested trees to prevent build up of the<br />
beetle population. In Government-owned plantations,<br />
this is incorporated into the regular thinning operations<br />
carried out at 3, 4, 5 and 6 years of age, by removing<br />
infested trees first instead of systematic thinning to<br />
reduce competition between trees. This has reduced<br />
the infestation rate to between 4-10% of trees,<br />
although this is not sufficient (Kasno and Husaeni<br />
1998). They recommend an integrated control<br />
strategy, involving, (1) a 3-monthly inspection, during<br />
which early infestations are detected and the bark<br />
removed from the infested portion of the trunk to<br />
expose and kill the early larvae, (2) annual thinning to<br />
remove infested trees, and (3) release of the egg<br />
parasitoid, Anagyrus sp. These may prove helpful,<br />
although detecting early infestations on top portions<br />
of the trunk is not practicable and release of egg<br />
parasitoid is not likely to be cost-effective until rearing<br />
methods for the parasitoid are standardised and field<br />
effectiveness of parasitoid release demonstrated.<br />
Further research is also needed to standardise the<br />
promising method of using green light to attract and<br />
trap adult beetles (Husaeni et al. 1998).<br />
A small population of the related species, Xystrocera<br />
globosa, has been found on P. falcataria (Matsumoto<br />
1994). This pest is widespread and is known to attack<br />
several leguminous tree species, particularly, if they<br />
are unhealthy (Beeson 1941).<br />
Next in importance is the small bagworm, Pteroma<br />
plagiophleps (Lepidoptera, Psychidae) that defoliates<br />
the tree. It is a sporadic pest, but some companies in<br />
Sumatra, have reported severe infestations. These<br />
usually occur repeatedly in endemic patches. The<br />
female moths are wingless and dispersal is limited.<br />
The larvae live inside conical bags made out of the<br />
host plant material, and feed on the leaves and bark in<br />
large numbers. The leaves are skeletonised and<br />
eventually shed. Repeated heavy infestations may result<br />
in tree dieback. A 5-year-old plantation in South<br />
Sumatra had a severe attack from 1994 to 1997<br />
(Zulfiah 1998).
32 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
Another sporadic pest is the yellow butterfly, Eurema<br />
spp. (mainly E. blanda and to a lesser extent E. hecabe<br />
and others), whose caterpillars often build up in large<br />
numbers and cause locally widespread defoliation.<br />
Severe defoliation occurs occasionally in Java,<br />
Sumatra, Kalimantan and Sulawesi (Tikupadang et al.<br />
1993; Irianto et al. 1997; Suhendi and Sembiring<br />
1998). Although heavy defoliation may cause dieback<br />
of branches (Irianto et al. 1997), the infestation is<br />
usually transient and the damage not serious.<br />
Other minor <strong>pests</strong> reported on P. falcataria include a<br />
few species of scarabaeid beetles whose larvae feed<br />
on the roots of saplings, the bark feeding caterpillar,<br />
Indarbela quadrinotata, the twig borer, Xylosandrus<br />
morigerus (Tikupadang et al. 1993) (Table 4.8), and<br />
other polyphagous, occasional feeders.<br />
plantations in South Kalimantan and Jambi, Sumatra<br />
(Anggraeni and Suharti 1997). Older trees are attacked<br />
by root rot fungi of the genera, Ganoderma (Widyastuti<br />
et al. 2000) Ustulina and Rosellinia. Dieback due to<br />
unknown reasons has been reported by some<br />
companies. Generally, root rot is a problem only in trees<br />
older than 10 years. Except for nursery diseases that<br />
can be controlled, P. falcataria does not suffer from<br />
any major disease.<br />
Table 4.9. Diseases of Paraserianthes falcataria in Indonesia<br />
Disease<br />
Damping-off<br />
Causative agent<br />
Pythium sp.<br />
Phytophthora sp.<br />
Rhizoctonia sp.<br />
Notes<br />
On seedlings<br />
Diseases<br />
Damping-off caused by Pythium, Phytophthora and<br />
Rhizoctonia spp. is common in nurseries (Table 4.9).<br />
Anthracnose disease, characterised by sudden death of<br />
the seedlings and caused by Colletotrichum sp., has<br />
been reported (Kobayashi and Zinno 1984). Root rot<br />
disease caused by Botryodiplodia sp. occurs in young<br />
Anthracnose<br />
disease<br />
Root rot<br />
Colletotrichum sp.<br />
Botryodiplodia sp.<br />
Ganoderma sp.<br />
Ustulina sp.<br />
Rosellinia sp.<br />
On seedlings<br />
On young trees<br />
On older trees<br />
Table 4.8. <strong>Insect</strong> <strong>pests</strong> of Paraserianthes falcataria in Indonesia<br />
Type of damage<br />
Scientific name<br />
Common name<br />
Notes<br />
Trunk boring<br />
Xystrocera festiva<br />
(Coleoptera, Cerambycidae)<br />
Sengon borer<br />
(albizia borer)<br />
Serious pest<br />
X. globosa<br />
-<br />
Minor pest<br />
Leaf feeding<br />
Pteroma plagiophleps<br />
(Lepidoptera, Psychidae)<br />
Small bagworm<br />
Occasionally serious;<br />
feeds also on bark<br />
surface<br />
Eurema blanda<br />
(Lepidoptera, Pieridae)<br />
Yellow butterfly caterpillar<br />
Sporadic<br />
Root feeding<br />
Several species<br />
(Coleoptera, Scarabaeidae)<br />
White grubs<br />
On saplings<br />
Bark feeding<br />
Indarbela quadrinotata<br />
(Lepidoptera, Indarbelidae)<br />
Bark caterpillar<br />
Twig boring<br />
Xylosandrus morigerus<br />
(Coleoptera, Scolytidae)<br />
Scolytid beetle
K.S.S. Nair and Sumardi 33<br />
Threat Assessment<br />
The borer X. festiva is a major threat to P. falcataria<br />
plantations in Indonesia. Regular surveillance and<br />
removal of infested trees reduces the incidence of attack<br />
but extension efforts to promote this method and further<br />
research to develop improved control techniques are<br />
needed. It is a serious pest of P. falcataria plantations<br />
in Malaysia but not in the rest of tropical Asia. The<br />
bagworm, Pteroma plagiophleps and the yellow<br />
butterfly, Eurema spp. are widespread <strong>pests</strong> with the<br />
bagworm potentially capable of causing serious<br />
damage in endemic patches of infestation. In Kerala,<br />
India, it caused dieback and death of trees in patches<br />
where repeated defoliation occurred (Nair and<br />
Mathew 1992). Vigilance is necessary against this<br />
insect, particularly because it infests many other tree<br />
species in Indonesia, facilitating build up to high<br />
population levels. Appropriate management methods<br />
need to be developed. The yellow butterfly is also<br />
capable of causing sporadic, locally widespread<br />
defoliation, but since the impact is not serious, it is<br />
not a major threat to plantations. Other <strong>pests</strong> are of<br />
minor significance.<br />
Nursery diseases can be managed effectively. Root<br />
rot is generally not a serious problem, except in trees<br />
older than 10 years, and is not a threat to plantations<br />
managed on shorter rotations. Dieback caused by<br />
Botryodiplodia theobromae has been noted in Kerala,<br />
India, but bark injury caused by fire or other agencies<br />
is considered to be a predisposing factor (Sharma and<br />
Sankaran 1988). In the Philippines, canker caused by<br />
Corticium salmonicolor is a common problem, but its<br />
impact is not serious (Anino 1990). Thus diseases do<br />
not appear to be a threat to P. falcataria plantations in<br />
Indonesia. The problems with Botryodiplodia and<br />
Corticium spp. in other countries may be due to a<br />
narrow genetic base of the host where P. falcataria is<br />
an introduced species.<br />
4.20. Peronema canescens<br />
Indonesian common name: Sungkai<br />
Peronema canescens (Verbenaceae) belongs to a<br />
monotypic genus indigenous to Indonesia (Kalimantan<br />
and Sumatra) and Malaysia. Often called “jati sabrang”<br />
(teak across Java) it yields high quality timber, almost<br />
comparable to teak, used for furniture and decorative<br />
veneers. It is being planted extensively in Sumatra,<br />
Kalimantan and West Java and it is also popular as a<br />
border tree in private holdings in Java. It is highly<br />
valued for construction timber because it grows faster<br />
than teak.<br />
<strong>Insect</strong> Pests<br />
An unidentified shoot-boring insect causes<br />
deformation of young trees (Graaf et al. 1993). The<br />
nymphs of an unidentified bug, Clovia sp.<br />
(Homoptera, Aphrophoridae) suck the sap of young<br />
leaves, enclosed in a mass of froth on the underside<br />
of the leaf, but damage is negligible (Matsumoto 1994).<br />
There has been moderate defoliation of P. canescens<br />
by an unknown insect (Selander 1990).<br />
Diseases<br />
Leaf rust has often been noted on seedlings grown<br />
under shade. Infestation by a superficial, black mildew<br />
fungus, probably Meliola sp., is also common<br />
(Selander 1990).<br />
Threat Assessment<br />
There appears to be no threat of <strong>pests</strong> or diseases, but<br />
the plantation history is too short to arrive at valid<br />
conclusions.<br />
4.21. Pinus merkusii<br />
Indonesian common name: Tusam<br />
The tropical pine, Pinus merkusii (Pinaceae), occurs<br />
naturally in the mountains of northern Sumatra. It has<br />
been planted widely in Indonesia for afforestation and<br />
protection of watersheds since the 1960s. It yields a<br />
general-purpose timber but most plantations were for<br />
pulpwood production. The estimated area of pine<br />
plantations in Indonesia is 700 000 ha (Nambiar et al.<br />
1998). It is planted in Aceh, North Sumatra and in<br />
West, Central, and <strong>East</strong> Java. Java has about 584 000<br />
ha of plantations that are tapped for resin (Perum<br />
Perhutani 1995).<br />
<strong>Insect</strong> <strong>pests</strong><br />
There are three main <strong>pests</strong> of P. merkusii in Indonesia<br />
(Table 4.10). The most damaging is the tusam pitch<br />
moth, Dioryctria rubella (Lepidoptera, Pyralidae).
34 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
Table 4.10. <strong>Insect</strong> <strong>pests</strong> of Pinus merkusii in Indonesia<br />
Type of damage<br />
Scientific name<br />
Common name<br />
Notes<br />
Shoot and stem<br />
boring<br />
Dioryctria rubella<br />
(Lepidoptera, Pyralidae)<br />
Tusam pitch moth<br />
Causes shoot die-back and<br />
stem distortion<br />
Foliage feeding<br />
Miliona basalis<br />
(Lepidoptera, Geometridae)<br />
Pine looper<br />
Nesodiprion biremis<br />
(Hymenoptera, Diprionidae)<br />
Pine sawfly<br />
Several species<br />
(Lepidoptera, Psychidae)<br />
Bagworms<br />
Generally, minor <strong>pests</strong>, but<br />
outbreaks known in natural<br />
stands<br />
Root feeding<br />
Several species<br />
(Coleoptera, Scarabaeidae)<br />
White grubs<br />
On roots of saplings<br />
Coptotermes sp.<br />
(Isoptera, Rhinotermitidae)<br />
Termites<br />
Feeds on root collar<br />
The moth lays eggs on young shoots and the larvae<br />
bore into them. It causes dieback of the shoots and<br />
stem. It has been considered to be a stem borer rather<br />
than a shoot borer because of serious damage caused<br />
to the stem by the larval tunnel extending upto 30 cm<br />
(Matsumoto 1994). It is a serious pest in North<br />
Sumatra. Thousands of hectares of young plantations<br />
were affected in an outbreak in 1982 (Supriana and<br />
Natawiria 1987b). There is no effective control<br />
method against this pest.<br />
The pine looper, Miliona basalis (Lepidoptera,<br />
Geometridae) feeds on the needles and most damage<br />
is to young plantations. Frequent, but short-lived,<br />
outbreaks occurred in the 1950s in plantations in<br />
North Sumatra, during which the egg parasitoid<br />
Trichogramma minutus was released for control<br />
(Supriana and Natawiria 1987b). Sporadic outbreaks<br />
have continued in the 1970s and 1980s<br />
(Mangundikoro and Depari 1958; Husaeni 1993).<br />
It has also been recorded in Aceh. A third pest,<br />
Nesodiprion biremis (Hymenoptera, Diprionidae)<br />
causes sporadic light defoliation in North Sumatra.<br />
Groups of 5-25 larvae feed on the distal three-fourths<br />
of the needles. Generally, the infestation level is not<br />
considered serious (Supriana and Natawiria 1987b).<br />
These three <strong>pests</strong> have not been reported from Java<br />
although pine plantations have been raised there for<br />
many years.<br />
Other <strong>pests</strong> on P. merkusii in Indonesia include white<br />
grubs that attack roots of seedlings in nursery (Intari<br />
and Natawiria 1973), termites (Coptotermes sp.) that<br />
attack the root collar and lower stem of saplings<br />
(Suharti et al.1991) and leaf-feeding bagworms<br />
(Pteroma plagiophleps, Eumeta sp. and Cryptothelia<br />
variegata). Outbreaks of bagworms and Miliona<br />
basalis have occurred in natural pine stands in<br />
Sumatra (see Section 3.1).<br />
Diseases<br />
Damping-off, caused by several species of fungi<br />
(Table 4.11) is a serious problem in nurseries.<br />
Fortnightly spraying of Propanocarb and Captanol<br />
effectively control them (Ibnu and Supriana 1987).<br />
Soil treatment with Captanol, Captan or Manzzeb also<br />
controlled the problem (Suharti 1988). The fruit<br />
extract of Xylocarpus granatum had antifungal activity<br />
against damping-off (Widyastuti 1996; Widyastuti<br />
et al. 1999). Leaf blight caused by Cladiospora sp.<br />
causes the death of up to 70% of seedlings in nurseries<br />
in Central Java (Sumardi and Widyastuti unpublished);<br />
and similar disease symptoms have been noted in the<br />
central pine nursery in North Sumatra.<br />
Threat assessment<br />
Pine shoot moths are important <strong>pests</strong> of tropical pines<br />
in Southeast Asia, particularly of young plantations.<br />
Dioryctria rubella in the Philippines attacks Pinus<br />
caribaea, P. kesiya and P. merkusii (Lapis 1987),
K.S.S. Nair and Sumardi 35<br />
Table 4.11. Diseases of Pinus merksii in Indonesia<br />
Disease<br />
Damping-off<br />
Blight<br />
Root rot<br />
Causative agent<br />
Pythium sp.<br />
Fusarium sp.<br />
Rhizoctonia sp.<br />
Cladiospora sp.<br />
Botryodiplodia sp.<br />
Notes<br />
On seedlings<br />
On seedlings<br />
Rare incidence in<br />
nurseries in Java<br />
D. abietella and D. sylvestrella infest P. merkusii in<br />
Thailand (Hutacharern 1978) and D. castanea<br />
damages P. kesiya in Northern India (Singh et al.<br />
1988). Other shoot borers (Rhyaciona and Petrovia<br />
spp.) also occur in the Philippines and Thailand. Since<br />
there is no effective method to control this pest, the<br />
shoot borer continues to be a threat to pine plantations<br />
in Sumatra. It does not occur in Java, possibly because<br />
it can survive only in higher latitudes.<br />
Milionia basalis and Nesodiprion beremis are also<br />
confined to Sumatra. Nesodiprion beremis, which is<br />
not a serious pest in Indonesia, occurs in Thailand<br />
(Hutcharern 1978) but, in general, they are replaced<br />
by other species of defoliators (Dendrolimus,<br />
Neodiprion) in more Northern latitudes. The three<br />
main <strong>pests</strong>, D. rubella, M. basalis and N. beremis,<br />
are confined to Northern Sumatra. This suggests<br />
there is scope for expanding pine plantations to the<br />
higher altitudes of lower latitudes in Indonesia without<br />
the risk of major <strong>pests</strong>. Other <strong>pests</strong> such as root<br />
grubs and termites, which are more prevalent in<br />
lower latitudes, can be managed effectively and<br />
therefore are of little economic significance. Bark<br />
beetles (Scolytidae), which can infest the trees in<br />
large numbers and kill them, are major <strong>pests</strong> of pines<br />
in temperate climates. One species, Ips calligraphus<br />
has been recorded on P. merkusii in Jamaica<br />
(Garraway 1986). Bark beetles thrive mainly on<br />
freshly cut logs and weak trees. As pine plantations<br />
extend to poorer sites, vigilance is needed to detect<br />
any new <strong>pests</strong>.<br />
Diseases are not a major threat to pine plantations in<br />
Indonesia, as the nursery diseases are manageable.<br />
4.22. Schleichera oleosa<br />
Indonesian common name: Kesambi<br />
Schleichera oleosa (Sapindaceae) is an introduced<br />
species that is naturalised in many parts of Indonesia.<br />
There are about 3700 ha, mainly in <strong>East</strong> Java, planted<br />
for lac production (Perum Perhutani 1995).<br />
<strong>Insect</strong> <strong>pests</strong><br />
No insect <strong>pests</strong> have been reported from Indonesia<br />
although some minor <strong>pests</strong> occur in India. The main<br />
insect pest of the tree, the lac insect, Laccifer lacca,<br />
introduced from India, is made used for lac production.<br />
Diseases<br />
No diseases have been reported from Indonesia<br />
although some are known in India.<br />
Threat assessment<br />
There is no threat of <strong>pests</strong> and diseases to S. oleosa in<br />
Indonesia.<br />
4.23. Swietenia macrophylla<br />
Indonesian common name: Mahoni<br />
Swietenia macrophylla (Meliaceae), commonly called<br />
mahogany, is a fairly fast-growing species native to<br />
tropical America. It is widely planted across the tropics<br />
for its high quality wood that is used for furniture and<br />
cabinet making. There are over 54 000 ha of<br />
plantations in Indonesia, mainly in West Java (Perum<br />
Perhutani 1995). Plantation trials are under way at<br />
Pulau Laut, South Kalimantan.<br />
<strong>Insect</strong> <strong>pests</strong><br />
In common with many other countries, infestation by<br />
the shoot borer, Hypsipyla robusta (Lepidoptera,<br />
Pyralidae) has limited expansion of mahogany<br />
plantations in Indonesia. Its larvae bore into the<br />
growing shoot of saplings destroying the terminal bud<br />
causing growth retardation and stem forking. Young<br />
trees 3-6 years old and 2-8 m tall are the most heavily<br />
attacked (Morgan and Suratmo 1976), a finding<br />
supported by Suratmo (1977) who observed about
36 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
90% of 3-year-old trees (2.5 m tall) were infested<br />
but only 5% of trees 14 years old and 13 m tall.<br />
Older trees are not susceptible to attack. With the<br />
life cycle lasting between 1 and 2 months there are<br />
several overlapping generations and repeated attacks<br />
coincident with flushing. At present, there is no<br />
effective method to control this pest. It has been<br />
suggested that planting of trees repellent to the shoot<br />
borer moth along the plantation border or in a mixture<br />
will prevent the arrival of moths for egg laying. In<br />
preliminary trials, planting of Acacia mangium<br />
around a mahogany plantation prevented H. robusta<br />
infestation (Matsumoto et al. 1997), and<br />
interplanting neem, Azadirachta indica, with<br />
mahogany in uneven admixture reduced shoot borer<br />
attack (Suharti et al. 1995). These preliminary<br />
results are encouraging, but more critical, large-scale<br />
trials are necessary to examine the effectiveness and<br />
feasibility of this approach.<br />
The scolytid beetle, Xylosandrus compactus (syn.<br />
Xyleborus morstatti) (Coleoptera, Scolytidae) lays<br />
eggs in galleries in the stems of seedlings in the<br />
nursery leading to their collapse (Suratmo 1982;<br />
Natawiria 1990; Suharti and Sitepu 1997; Sitepu and<br />
Suharti 1998). It also infests living twigs and branches<br />
of older trees (Mayhew and Newton 1998). This<br />
species also damages mahogany seedlings in Sri<br />
Lanka and Thailand. Minor <strong>pests</strong> observed in<br />
experimental plantings include the leaf-feeding<br />
caterpillar, Attacus atlas (Lepidoptera, Saturnidae) and<br />
the leaf-cutter bee, Megachile sp. (Hymenoptera,<br />
Megachilidae) (Matsumoto 1994).<br />
Diseases<br />
The only disease noted in S. macrophylla is bark rot,<br />
which occurs at the base of the trunk. The lesion<br />
appears in the middle of the rainy season, spreads<br />
rapidly from bottom upwards and often kills the trees<br />
by the end of the season. The lesion always appears<br />
on the stem surface facing the water flow along the<br />
slope and it is assumed that the pathogen arrives<br />
through water and enters through wounds. The<br />
causative organism remains unidentified. About 40%<br />
of trees have been affected in some patches of<br />
S. macrophylla stands in Purwodadi forest district,<br />
Central Java (Sumardi and Widyastuti unpublished).<br />
There are no other major diseases, although<br />
occurrence of the root rot pathogens, Armillaria<br />
mellea and Phellinus noxius has been reported<br />
(Mayhew and Newton 1998).<br />
Threat assessment<br />
The shoot borer is the major threat to cultivation of<br />
mahogany worldwide, with the related species,<br />
Hypsipyla grandella replacing H. robusta, in the Latin<br />
American tropics. Although older trees are not<br />
attacked, many plantation programmes have been<br />
abandoned due to damage during the establishment<br />
stage. Development of practical control methods<br />
using strategies such as chemical application, insect<br />
parasitoids and shade regulation have been<br />
unsuccessful. The use of deterrent trees is being<br />
tested. Recently, the Australian Centre for<br />
International Agricultural Research has supported<br />
international cooperation to find a solution to this<br />
vexing problem.<br />
The shoot borer does not occur in Fiji, but<br />
ambrosia beetle and termites have taken a heavy<br />
toll of S. macrophylla plantations there. Three species,<br />
Neotermes papua, N. samoanus and an unidentified<br />
Neotermes sp. infest living trees aged 2 years and older<br />
(Kamath et al. 1996). They hollow out the trees from<br />
within the trunk and older infestations become<br />
manifested as gentle to heavy swellings on the trunk.<br />
On an average, 7% of trees in plantations are infested.<br />
This attack is similar to that of Neotermes sp. on teak<br />
in Indonesia. Vigilance is necessary to detect signs of<br />
termite infestation of mahogany in Indonesia.<br />
Two endemic species of ambrosia beetles<br />
(Crossotarsus externe-dentatus and Platypus<br />
gerstaeckeri) also infest trees older than 6-8 years in<br />
Fiji. Such attacks appear to be related to poor tree<br />
health. Monitoring the possible build up of Xylosandrus<br />
compactus, which infests twigs of older mahogany<br />
trees in Indonesia, in trees of poor health is needed.<br />
The only serious disease is the unidentified pathogen<br />
spread through flowing water which results in the<br />
death of trees. Research is needed to determine the<br />
etiology of this disease. In this context, it is interesting<br />
to note that the fungus, Phytophthora cinnamomi,<br />
causing a serious root disease in Eucalyptus marginata<br />
and other trees in Australia, can disperse through<br />
flowing subsurface water in lateritic soil on hill slopes<br />
(Kinal et al. 1993).
K.S.S. Nair and Sumardi 37<br />
4.24. Tectona grandis<br />
Indonesian common name: Jati<br />
Teak, Tectona grandis (Verbenaceae), was probably<br />
introduced to Java 400-600 years ago from India. It<br />
is now naturalised and occurs over extensive areas in<br />
Java and Muna Island in Southeast Sulawesi. It<br />
produces one of the finest of tropical timbers that is<br />
in high demand for a variety of purposes, from building<br />
bee hives to ships. Plantation forestry in Java is<br />
dominated by teak, with about 1 million ha making up<br />
about 55% of all its forest plantations. The plantations<br />
are in <strong>East</strong> Java (570 000 ha), Central Java (312 000<br />
ha) and West Java (185 000 ha). Some plantations<br />
exist also in Southeast Sulawesi. Indonesia has a long<br />
tradition in teak plantation management and supplies a<br />
significant proportion of teak timber in world trade.<br />
Teak is managed on a 60-year rotation and plantations<br />
are usually established by direct seeding in a taungya<br />
system. Recently, a small area of plantations has been<br />
established with rooted cuttings and tissue cultured<br />
plantlets from selected clones. Experimental teak<br />
plantations have been established in Kalimantan and it<br />
appears that although the teak grows faster it does<br />
not produce good quality wood.<br />
<strong>Insect</strong> Pests<br />
There are three well-known <strong>pests</strong> of teak in Indonesia<br />
(Table 4.12). Caterpillars of the moth, Hyblaea puera<br />
(Lepidoptera, Hyblaeidae), commonly known as the<br />
teak defoliator, feed on the foliage during the early<br />
part of the growth season, soon after flushing. It is<br />
believed to cause one or more total defoliation events<br />
every year in most teak areas, but systematically<br />
gathered data are not available. The teak defoliator is a<br />
migrant pest, with shifting foci of high-density<br />
infestations during the early outbreak period, which<br />
coincides with pre-monsoon rains (Nair 1988). This<br />
is followed by widespread infestation and sudden<br />
disappearance of the pest population. The dynamics<br />
of infestation are similar to Indian infestations<br />
(Kalshoven 1953), but detailed studies are lacking. In<br />
Indian teak plantations H. puera causes substantial loss<br />
of growth increment (Nair et al 1996).<br />
The teak leaf skeletoniser Eutectona machaeralis (syn.<br />
Hapalia machaeralis, Pyrausta machaeralis)<br />
(Lepidoptera, Pyralidae) is also present in plantations<br />
in Java (Suratmo 1987). This caterpillar feeds on the<br />
leaves, leaving the major veins intact, hence the name,<br />
‘skeletoniser’. Intachat (1998) identified the species<br />
in Indonesia, Malaysia and probably Thailand as Paliga<br />
Table 4.12. <strong>Insect</strong> <strong>pests</strong> of teak in Indonesia<br />
Type of damage<br />
Scientific name<br />
Common name<br />
Notes<br />
Leaf feeding<br />
Hyblaea puera<br />
(Lepidoptera, Hyblaeidae)<br />
Teak defoliator<br />
Paliga damastesalis<br />
(Lepidoptera, Pyralidae)<br />
Teak leaf skeletonizer<br />
Earlier known as<br />
Eutectona, Pyrausta or<br />
Hapalia machaeralis<br />
Valanga nigricornis<br />
(Orthoptera, Acrididae)<br />
Grasshopper<br />
Trunk/stem boring<br />
Neotermes tectonae<br />
(Isoptera, Kalotermitidae)<br />
Inger-inger<br />
Unique pest of teak in<br />
Indonesia<br />
Xyleutes ceramica<br />
(Lepidoptera, Cossidae)<br />
Beehole borer<br />
Xyleborus destruens<br />
(Coleoptera, Scolytidae)<br />
Ambrosia beetle<br />
Minor pest<br />
Zeuzera coffeae<br />
(Lepidoptera, Cossidae)<br />
Red borer<br />
On saplings
38 <strong>Insect</strong> Pests and Diseases of Major Plantation Species<br />
damastesalis, as distinct from Eutectona machaeralis<br />
present in India, although it has similar habits. She also<br />
suggests that the correct nomenclature of Eutectona<br />
machaeralis is Paliga machoeralis. Kalshoven (1953)<br />
mentions that although present in Java, it does not attack<br />
teak, but other authors list it as a major pest of teak in<br />
Java (Natawiria and Tarumingkeng 1971; Mieke 1994;<br />
Suratmo 1996; Suharti and Sitepu 1997; Sitepu and<br />
Suharti 1998). Little primary data is available on the<br />
frequency and intensity of its attack in Java. In India,<br />
outbreaks of teak leaf skeletoniser occur during the latter<br />
part of the growth season in most years when the leaves<br />
are old, and so its impact is negligible (Nair et al. 1996).<br />
The third notable pest of teak in Java is the termite,<br />
Neotermes tectonae (Isoptera, Kalotermitidae). Popularly<br />
known as ‘inger-inger’, this wood-dwelling termite<br />
hollows out portions of stem and branches. Usually, the<br />
external symptom, swellings of the trunk and branches,<br />
becomes visible only 3-5 years after the initiation of<br />
attack. The termites occupy crevices within the swollen<br />
stem. Trees over 3 years old are attacked but the<br />
symptoms appear only later. It is a serious problem in<br />
Central and <strong>East</strong> Java (Intari 1990) and various aspects<br />
have been studied. In some forest districts in Central<br />
Java, 10-72% of the trees were attacked and the<br />
production loss (degradation of construction timber to<br />
fuel wood) estimated at 9-21% (Subyanto 1992;<br />
Subyanto et al. 1992). Thinning of infested trees is the<br />
only practical method to reduce the incidence of attack,<br />
although methods such as introduction of fumigants,<br />
e.g. phostoxin, into the affected portion of the trunk<br />
have been tried (Intari and Amir 1975).<br />
The following teak <strong>pests</strong> are of lesser importance.<br />
The ambrosia beetle, Xyleborus destruens, attacks the<br />
trunk of living teak trees making branching tunnels that<br />
extend into the heartwood. It is prevalent in areas where<br />
there is no definite dry season (Kalshoven 1953) so such<br />
areas are avoided for teak cultivation. The teak beehole<br />
borer, Xyleutes ceramica (Lepidoptera, Cossidae) which<br />
infests the trunk is present but not common in Central<br />
Java (Intari 1975). The red borer, Zeuzera coffeae, has<br />
infested a small proportion of saplings in an 18-monthold<br />
teak plantation at Kendal, Boja Forest District, Central<br />
Java (K.S.S. Nair and Sumardi unpublished observation).<br />
This plantation was intercropped with corn and other<br />
agricultural crops under the taungya system. The<br />
grasshopper, Valanga nigricornis (Orthoptera,<br />
Acrididae) causes sporadic defoliation and white grubs<br />
damage seedlings in nurseries.<br />
Diseases<br />
Teak is fairly resistant to diseases, although several<br />
pathogenic organisms have been recorded. A few<br />
diseases affect young trees in taungya systems, notably,<br />
an unidentified root wilt and stem canker, Corticium<br />
salmonicolor (pink disease). In a 31 ha plantation at<br />
Kendal, Central Java, 6% of 2-year-old saplings were<br />
killed by the root wilt and 2% were affected by canker,<br />
which resulted in drying up or breakage of stem above<br />
the point of canker (about 1.5 m above ground)<br />
(Sumardi and Widyastuti 2000). These problems appear<br />
to be associated with high input management, involving<br />
close cultivation of taungya crops and tillage. Cultivation<br />
of agricultural crops increases the humidity, favouring<br />
pink disease. Tillage may cause root injury facilitating<br />
invasion by the wilt bacterium, which is a wound<br />
pathogen. The diseases can be managed by appropriate<br />
silvicultural practices.<br />
Threat assessment<br />
Teak has been grown successfully in Java for over a<br />
century and there is no threat of <strong>pests</strong> or diseases that<br />
will ruin teak plantations. The most acknowledged<br />
problem is the trunk-infesting termite, Neotermes<br />
tectonae, unique to teak in Indonesia. It causes<br />
economic loss due to degradation of the timber. It is<br />
mostly confined to some endemic patches, particularly<br />
in Central Java and is kept under reasonable control<br />
by thinning operations. The impact, in terms of growth<br />
loss, caused by the teak defoliator, Hyblaea puera, is<br />
not fully recognised because the loss is not visible.<br />
Although its control is still not feasible except in young<br />
plantations, it is necessary to gather information on its<br />
prevalence and impact in Java. Other <strong>pests</strong> are of little<br />
consequence. Information is also needed on the<br />
prevalence and seasonal incidence of the teak<br />
skeletoniser, Paliga damastesalis.<br />
Teak is becoming popular in the agroforestry systems<br />
in Indonesia because of the availability of fast growing,<br />
tissue-cultured clones and high returns from planting<br />
in homesteads. Problems experienced in taungya<br />
system under forest plantations will become important<br />
in the homestead agroforestry systems. This will<br />
include bacterial root wilt, pink disease, red borer and<br />
the teak defoliator.
Chapter 5<br />
General Conclusions<br />
K.S.S. Nair and Sumardi<br />
Indonesian forests are in a state of transition (see<br />
Chapter 2). The rate of conversion of natural forests<br />
to plantations in recent years has been faster than ever<br />
before. There is rapid expansion of plantations of new,<br />
fast-growing species in the outer islands while<br />
traditional, slow-growing timber species like teak, pine<br />
and Agathis continue to be grown in Java. One<br />
species, Acacia mangium, accounts for 64% of the<br />
area planted in recent times (Chapter 2, Table 2.6).<br />
Paraserianthes falcataria occupies 7% of the area<br />
followed by Gmelina arborea and eucalypts.<br />
Paraserianthes falcataria is being expanded on private<br />
lands in Java with support by various Government<br />
agroforestry promotion schemes. Plantation<br />
development is taking place in a qualitatively different<br />
direction than previously. Although there is a choice<br />
for selection from among several species, including<br />
some indigenous species recommended under the HTI<br />
scheme, growers choose the few species listed above.<br />
This is mainly because the emphasis is on fast-growing<br />
trees suitable for pulpwood, and more information is<br />
available on silviculture, growth performance and<br />
suitability for pulping of these species.<br />
Risk of pest and disease damage should be an important<br />
criterion for selection of species for large-scale<br />
planting, but this is seldom done in practice, because<br />
the plantation industry cannot wait for scientists to<br />
provide the necessary database to make foolproof<br />
choices. Scientific method relies on observational and<br />
experimental data that are acquired over a long period.<br />
Even then, there are many uncertainties regarding the<br />
conditions under which pest and disease problems may<br />
develop. However, an attempt has been made here to<br />
review existing information and to predict the future<br />
risk of <strong>pests</strong> and diseases in Indonesian forest<br />
plantations. There is unavoidable risk in making these<br />
judgements but this is typical of many real life situations<br />
where decisions must be made without sufficient data.<br />
In fact, the plantation companies have already taken<br />
the risk. The conclusions drawn here should be taken<br />
only as a broad guideline.<br />
5.1. Summary of present problems<br />
and future threats<br />
The risk associated with each species has been<br />
discussed in Chapter 4. What is attempted here is a<br />
summary and analysis of general features. The species<br />
fall into two categories: those that have been grown in<br />
Indonesia for a long time and those that are new.<br />
Long-standing plantation species<br />
Species grown in Java are in this category. Risk<br />
assessments for these species is easier because we<br />
have the benefit of experience. The species and a<br />
summary of their present pest and disease problems,<br />
and future risk is given in Table 5.1.<br />
There is no serious disease problem other than<br />
manageable nursery diseases among the ten species<br />
grown over a longer period. Serious insect pest<br />
problems exist for Paraserianthes falcataria,<br />
Swietenia macrophylla and Tectona grandis and they<br />
cause economic loss, although this is not generally<br />
recognised in the case of teak. Unfortunately, there is<br />
no effective control method yet for any of these <strong>pests</strong>.<br />
There are also localised problems such as the pine<br />
shoot borer in Sumatra, ambrosia beetle of teak in
40 General Conclusions<br />
Table 5.1. Summary of pest and disease problems for long-standing plantation species<br />
Tree species<br />
Category<br />
Current major problem<br />
Future threat<br />
Agathis dammara<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Dalbergia latifolia<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Mangroves<br />
(mainly Rhizophora)<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Maesopsis eminii<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Melaleuca cajuputi<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Paraserianthes falcataria<br />
Pest<br />
Disease<br />
1. Trunk borer<br />
(Xystrocera festiva)<br />
2. Defoliator<br />
(Pteroma plagiophleps)<br />
None<br />
1. Trunk borer<br />
(Xystrocera festiva)<br />
2. Defoliator<br />
(Pteroma plagiophleps)<br />
None<br />
Pinus merkusii<br />
Pest<br />
None in Java<br />
Shoot borer<br />
(Dioryctria rubella)<br />
in Sumatra<br />
None in Java<br />
Shoot borer<br />
(Dioryctria rubella)<br />
in Sumatra<br />
Disease<br />
None<br />
None<br />
Schleichera oleosa<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Swietenia macrophylla<br />
Pest<br />
Disease<br />
Shoot borer<br />
(Hypsipyla robusta)<br />
None<br />
Shoot borer<br />
(Hypsipyla robusta)<br />
None<br />
Tectona grandis<br />
Pest<br />
Disease<br />
Defoliator<br />
(Hyblaea puera)<br />
None<br />
Defoliator<br />
(Hyblaea puera)<br />
None<br />
areas not subject to seasonal drought, and wilt of<br />
Dalbergia in some areas. Avoiding planting in risky<br />
areas can circumvent these, although in the case of<br />
pine, it is not feasible to avoid planting it in its native<br />
range in Sumatra.<br />
New plantation species<br />
The risks to the new species are presented in Table<br />
5.2. No major problem has so far been experienced in<br />
these 14 species, but there are indications of impending<br />
problems, such as root rot in Eucalyptus spp. and root
K.S.S. Nair and Sumardi 41<br />
Table 5.2.<br />
Summary of pest and disease problems for new plantation species<br />
Tree species<br />
Category<br />
Current major problem<br />
Future threat<br />
Acacia mangium and<br />
other Acacia spp.<br />
Pest<br />
Disease<br />
None<br />
None<br />
Helopeltis, unpredictable<br />
caterpillar outbreak<br />
Root rot, Heart rot of stem<br />
Alstonia spp.<br />
Pest<br />
Disease<br />
None<br />
None<br />
Unpredictable<br />
None<br />
Anthocephalus sp.<br />
Pest<br />
Disease<br />
None<br />
None<br />
Unpredictable<br />
None<br />
Azadirachta excelsa<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Dipterocarps<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Dyera spp.<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Eucalyptus spp.<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
Root rot<br />
Eusideroxylon zwageri<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Gmelina arborea<br />
Pest<br />
Disease<br />
None<br />
None<br />
Unpredictable<br />
None<br />
Gonystylus bancanus<br />
Pest<br />
Disease<br />
None<br />
None<br />
Unpredictable<br />
None<br />
Koompassia spp.<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Ochroma pyramidale<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Octomeles sumatrana<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None<br />
Peronema canescens<br />
Pest<br />
Disease<br />
None<br />
None<br />
None<br />
None
42 General Conclusions<br />
and stem rot in Acacia mangium. Other potential<br />
threats are less obvious. Eucalyptus spp.and Acacia<br />
mangium have been grown in Indonesia over fairly<br />
large area for a longer period than other species in this<br />
group. Many pest problems develop over a long period,<br />
facilitated by favourable conditions provided by<br />
extensive monocultures. Therefore, the risk of <strong>pests</strong><br />
and diseases for most species in this group is<br />
unpredictable. Experience with large monocultures of<br />
the same species in other countries can provide some<br />
pointers to the potential problems, although this is not<br />
fully dependable. For example, Pinus merkusii is<br />
plagued by shoot borer in Philippines, Thailand,<br />
Vietnam, India and Northern Sumatra, but not in Java.<br />
We have the advantage of such experience in the case<br />
of Eucalyptus spp., Gmelina arborea and to some<br />
extent, Acacia mangium.<br />
Eucalypts have been generally pest free, except for<br />
subterranean termites attacking the tap root during the<br />
establishment stage. Diseases create problems in<br />
nursery, but are manageable. Eucalyptus spp. are<br />
susceptible to foliar diseases caused by fungi in humid<br />
environments, but selection of resistant species and<br />
provenances has circumvented this problem. In<br />
Indonesia, some species e.g. E. urophylla, have been<br />
found to be susceptible to root rot but others e.g.<br />
E. pellita, are less so. These problems have led to the<br />
present trend in Indonesia is to replace Eucalyptus<br />
spp. with Acacia.spp.<br />
Gmelina arborea, except for minor problems with a<br />
stem borer, is currently pest free in Indonesia, as in<br />
many other countries where it has been planted as an<br />
exotic, but the situation needs monitoring, as it suffers<br />
from serious <strong>pests</strong> in its native range. Some companies<br />
are now enlarging the area under Gmelina arborea, in<br />
place of Acacia mangium, although it requires more<br />
fertile sites than the acacia.<br />
Acacia mangium suffered a heart-rot problem which<br />
threatened to proliferate in Malaysia, but it is being<br />
kept in check by enlarging the genetic base of planting<br />
stock and by planting the heart rot resistant hybrid,<br />
A. mangium x A. auriculiformis. It has been<br />
suggested that the heart and root rot problems are<br />
the result of mismatching of the species with the<br />
sites, with the absence of a seasonal dry spell<br />
facilitating the development of the diseases (Arentz<br />
1996; Lee and Arentz 1997). The situation therefore<br />
needs monitoring. Although there are no serious<br />
insect pest problems at present, the situation also<br />
needs attention, in view of the potential threat of<br />
the mosquito bug, Helopeltis spp. becoming adapted<br />
as more of the Indonesian landscape is planted with<br />
A. mangium. There is also the treat of unpredictable<br />
caterpillar outbreaks, as indicated by some instances<br />
in Malaysia.<br />
In the case of other new species, most of which are<br />
indigenous, there are no serious pest or disease<br />
problems, at present. For some of them, limited<br />
experience in other countries or the chemical profile<br />
of the species (e.g. Azadirachta spp.) suggests that<br />
there is little risk (Table 5.2) but for others the risk is<br />
unpredictable.<br />
Future most important <strong>pests</strong> and diseases<br />
If one insect pest is to be named as the most dangerous<br />
to Indonesian forest plantations in future, the choice<br />
will undoubtedly fall on the sengon borer, Xystrocera<br />
festiva. Its population is likely to increase further as<br />
more area is brought under P. falcataria all across<br />
Indonesia due to its promotion by industrial and<br />
agroforestry plantation initiatives. Xystrocera festiva has<br />
a number of alternative hosts, in the family<br />
Leguminosae, including Albizia spp. and Acacia spp.<br />
Although A. mangium is not a favoured host of<br />
X. festiva, its expansion may also help to increase<br />
X. festiva population. This borer seems to be welladapted<br />
to Indonesia as it is replaced in neighbouring<br />
countries by X. globosa, a species also present in low<br />
numbers in Indonesia.<br />
Another insect likely to build up in future is Helopeltis.<br />
Many closely related species of Helopeltis are<br />
important <strong>pests</strong> of horticultural plantations in the<br />
tropics and populations have been increasing in young<br />
A. mangium plantations, particularly in Sumatra (see<br />
Section 4.1). It has a history of outbreaks in cashew,<br />
tea and neem in India and in tea and Eucalyptus spp.<br />
in Sumatra. Care must be exercised to prevent the<br />
build up of Helopeltis species.<br />
Good quality timber will remain in demand despite of<br />
the present emphasis on pulpwood species.<br />
Improvements in machinery and utilisation methods<br />
will enable smaller dimension timbers to be used
K.S.S. Nair and Sumardi 43<br />
increasingly. Teak, Shorea spp. and Peronema sp. are<br />
likely to fill this need. The teak defoliator and the<br />
emerging <strong>pests</strong> of Shorea spp. and Peronema sp. may<br />
require attention in future.<br />
The most prevalent diseases for most tree species are<br />
caused by a host of fungal pathogens in the nursery.<br />
Fortunately, they can be kept under control by suitable<br />
practices and need-based use of selected fungicides.<br />
The most serious threat is the spread of root rot caused<br />
by several species of fungi. They will assume greater<br />
importance as the disease inoculum builds up on sites<br />
where there are consecutive rotations of the same<br />
species.<br />
Indigenous versus exotic tree species<br />
The question is often raised whether exotic tree species<br />
are at greater risk of pest and disease outbreaks. It is<br />
difficult to offer a simple answer and designating a<br />
species as exotic is a matter of definition (see Section<br />
3.3). If we accept the narrow definition, based on the<br />
boundaries of the larger island groups than the country,<br />
most species currently grown extensively in Indonesia<br />
are exotic. Since a valid discussion of the comparative<br />
susceptibility of exotic versus indigenous species<br />
cannot be attempted without a broader coverage of<br />
species and countries where they are grown, it is not<br />
attempted here. However, based on Indonesian<br />
experience it can be said that both exotic and<br />
indigenous species may have serious pest problems.<br />
Examples are the indigenous Pinus merkusii in Sumatra<br />
and the exotic Swietenia macrophylla. The difference<br />
is that an indigenous species is unlikely to be wiped<br />
out by a pest because it has evolutionarily outlived<br />
such an eventuality and it is therefore safer to grow<br />
them. On the other hand, in theory, an exotic species<br />
can suffer heavy damage and extinction caused by<br />
indigenous <strong>pests</strong> and pathogens. There is also the risk<br />
of <strong>pests</strong> and pathogens invading from the area of<br />
natural occurrence of the exotic host, as in the case<br />
of Leucaena psyllid, conifer aphids or eucalypt trunk<br />
borers. This does not always happen, as exemplified<br />
by the thriving exotic rubber tree, Hevea braziliensis,<br />
in many countries. A comprehensive risk analysis is<br />
beyond the scope of this study. We can say that the<br />
risk is not associated with whether a species is exotic<br />
or indigenous per se and that risk must also be<br />
balanced with opportunities.<br />
5.2. The research scenario<br />
Existing unsolved pest and disease problems and newly<br />
emerging problems call for timely attention to research<br />
and development in this field. Research capacity in<br />
Indonesia is quite inadequate to meet the challenge.<br />
Indonesian forest protection research literature is<br />
characterised by a large number of reviews describing<br />
or listing the problems (see the bibliography). Most of<br />
them have been presented in seminars and conferences<br />
that are often organised with external support. Very<br />
little new knowledge is generated by the small number<br />
of researchers in the forest protection field, although<br />
there are exceptions. Some plantation companies have<br />
established research units which look at pest and<br />
disease problems and collaborate with universities, but<br />
there is scope for strengthening the ties for mutual<br />
benefit. The main constraints to improving forest<br />
protection research are:<br />
Few specialised researchers<br />
Forestry protection research capacity exists at the<br />
Forestry and Estate Crops Research and Development<br />
Agency (FERDA), two universities in Java (IPB and<br />
Gadjah Mada), three in Kalimantan, (<strong>East</strong> Kalimantan<br />
(Mulawarman), Central Kalimantan and West<br />
Kalimantan), one in Sulawesi and one in Sumatra. The<br />
total number of researchers in forest protection is only<br />
about 40, with less than half possessing a Ph.D. degree.<br />
This is inadequate to meet the entomological and<br />
pathological research needs.<br />
Low budget provision<br />
Staff salaries and research funds are low and often the<br />
staff have to depend on external support from plantation<br />
companies and other sources to conduct research.<br />
Extensive plantations<br />
Except in Java, most plantations are located far away<br />
from the staff headquarters and there are inadequate<br />
travelling and field camping facilities to carry out<br />
research.<br />
Inadequate research publication effort<br />
Most research results remain in the form of student<br />
theses and project reports, and inadequate attention is<br />
given to publishing them in peer-reviewed journals.<br />
The few published papers appear in in-house journals
44 General Conclusions<br />
and symposia proceedings, mostly in Bahasa<br />
Indonesia, the benefits of broader expert review of<br />
the research are not captured. While there are<br />
numerous publications, the scientific quality of many<br />
is inadequate. Although there are some high quality<br />
publications that contribute to advancement of<br />
knowledge or solving problems, there are also many<br />
publications that are premature, and many<br />
recommendations that are impracticable, ineffective<br />
or prohibitively expensive.<br />
5.3. Future outlook<br />
To meet the needs of expanding plantations, more<br />
attention needs to be paid to promoting research on<br />
<strong>pests</strong> and diseases. This calls for a dialogue between<br />
Government, universities and plantation companies<br />
to formulate appropriate approaches. An immediate<br />
need is to set up a plantation health monitoring system<br />
for Indonesia covering <strong>pests</strong> and diseases, and<br />
plantation failures due to other causes. This has the<br />
support of some plantation companies. Some<br />
fundamental research is needed to complement<br />
problem-solving research, for example, to create a<br />
scientific database and expertise for identification of<br />
disease organisms and insects, many of which are<br />
poorly identified. Although plantation companies may<br />
be interested in immediate problem solving research,<br />
the approach should be to simultaneously strengthen<br />
indigenous research capability and infrastructure for<br />
long-term benefits.
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protection from the attack of <strong>pests</strong> and diseases).<br />
In: Suratmo, F.G., Hadi, S., Husaeni, E.A.,<br />
Rachmatsjah, O., Kasno, Nuhamara, S.T. and<br />
Haneda, N.F. (eds.) Proceedings Workshop<br />
Permasalahan dan Strategi Pengelolaan Hama di<br />
Areal Hutan Tanaman, 157-165. Fakultas<br />
Kehutanan IPB dan Departemen Kehutanan,<br />
Bogor.<br />
250. Rostaman. 1997. Hama dan penyakit tanaman<br />
cendana di Kabupaten Kupang (Pests and<br />
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Duta Rimba 23: 209-210.<br />
251. Ruga, A. CH. 1991. Beberapa hama dan<br />
penyakit pada tanaman Eucalyptus deglupta dan<br />
Acacia mangium di Proyek HTI PT ITCI<br />
Kenangan, Balikpapan (Some pest and disease<br />
on Eucalyptus deglupla and Acacia mangium in<br />
Kenangan HTI Project PT ITCI, Balikpapan).<br />
In: Hadi, S., Rachmatsyah, O. and Nahamara,<br />
S.T. (eds.) Peningkatan Produktivitas Hutan<br />
Tanaman Industri melalui Upaya Pengendalian<br />
Hama dan Penyakit Secara Terpadu, 107-112.<br />
Prosiding Seminar National di Bogor 30 Juli<br />
1991. Fakultas Kehutanan IPB dan Departemen<br />
Kehutanan, Bogor, Indonesia.<br />
252. Santoso, E. and Hardi, T. 1991. Pengendalian<br />
hama dan penyakit di hutan tanaman industri<br />
Kalimantan Timur (Pest and disease control of<br />
timber estates in <strong>East</strong> Kalimantan). Jurnal<br />
Penelitian dan Pengembangan Kehutanan 7(1):<br />
14-17.<br />
253. Santoso, E. and Suharti, M. 1984. Studi<br />
morfologis dan anatomis cendawan karat yang<br />
menyerang tanaman Acacia auriculiformis A.<br />
Cunn (Morphological and anatomical studies on<br />
rust diseases of Acacia auriculiformis A. Cunn.).<br />
Pusat Penelitian dan Pengembangan Hutan.<br />
Report No. 441, Bogor. 15p.<br />
254. Santoso, E., Anggraeni, I. and Irianto, R.S.B.<br />
1995. Researches of diseases of IFP (Industrial<br />
Plantation Forestry). Paper presented at
76 Bibliography of <strong>Insect</strong> Pests and Diseases<br />
Seminar of IFP Research: Efforts to improve<br />
IFP quality in Welcoming Eco-label Era.<br />
Cisarua, Indonesia. 11p.<br />
255. Shiomi, T., Mulya, K. and Oniki, M. 1991.<br />
Bacterial wilt of cashew (Anacardium<br />
occidentale L.) caused by Pseudomonas<br />
solanacearum in Indonesia. Industrial Crops<br />
Research Journal 2(1): 29-35.<br />
256. Siswanto, T.H. 1984. The effect of plant<br />
residues on the occurrence of damping-off on<br />
Pinus merkusii Jung. Et de Vriese (in<br />
Indonesian). Thesis, Faculty of Forestry, Bogor<br />
Agricultural University, Bogor, Indonesia.<br />
257. Sitepu, I.R. and Suharti, M. 1998. Pest and<br />
disease management in industrial forest<br />
plantations in Indonesia. In: Nambiar, E.K.S.,<br />
Gintings, A.N., Ruhiyat, D., Natadiwirya, M.,<br />
Harwood, C.E. and Booth, T.H. (eds.) Sustained<br />
productivity of short and medium rotation<br />
plantation forests for commercial and community<br />
benefit in Indonesia - An analysis of research<br />
priorities, 39-47. Proceedings of a Workshop<br />
held at Bogor, Indonesia, 6-7 May 1998. CSIRO<br />
Forestry and Forest Products, Australia.<br />
258. Smits, W.T.M., Yasman, I., Leppe, D. and<br />
Noor, M. 1991. Some observations on diseases<br />
of Dipterocarpaceae. In: Soerianegara, I.,<br />
Tjitrosomo, S.S., Umaly, R.C. and Umboh, I.<br />
(eds.) Proceedings of the 4 th Round Table<br />
Conference on Dipterocarps, 147-163.<br />
BIOTROP Special Publication No. 41,<br />
SEAMEO-BIOTROP, Bogor, Indonesia.<br />
259. Soepardi, R. 1958. Penyakit dan hama Pinus<br />
merkusii hama serangan di tanah Gayo. (Pests<br />
and diseases of Pinus merkusii in Gayo land).<br />
Rimba Indonesia 7(3-4): 264-277.<br />
260. Soepardi, R. 1976. Hutan dan penyakit Pinus<br />
merkusii di tanah Gayo (Pests and diseases of<br />
Pinus merkusii in Gayo land). Gema Rimba<br />
3(15): 20-27.<br />
261. Soeyamto, C.H. and Mardji, D. 1986. Hama<br />
dan penyakit pada persemaian dan tegakan<br />
hutan tanaman industri (Pests and diseases in<br />
nursery and stands of industrial plantation<br />
forest). In: Prosiding Seminar Nasional<br />
Ancaman terhadap HTI, 20 December 1986,<br />
Jakarta, 100-107. FMIPA dan Departemen<br />
Kehutanan. Inhutani I, Jakarta.<br />
262. Suharti, M. 1973. Causal agents and the<br />
environmental influence to the damping-off<br />
disease of Pinus merkusii seedlings. Laporan<br />
Lembaga Penelitian Hutan No. 162, Bogor.<br />
263. Suharti, M. 1976. Root cancer disease on the<br />
Paulownia kawakamii Ito in Riau, Sumatra.<br />
Laporan Lembaga Penelitian Hutan No. 221,<br />
Bogor.<br />
264. Suharti, M. 1980. Gall disease on cayeput<br />
(Melaleuca leucadendron) leaves at Ponorogo,<br />
Madiun. Laporan Lembaga Penelitian Hutan No.<br />
340, Bogor.<br />
265. Suharti, M. 1981. The influence of leaf gall<br />
disease attack on cayeput oil quality. Laporan<br />
Lembaga Penelitian Hutan No. 364, Bogor.<br />
266. Suharti, M. 1983. Busuk batang pada Agathis<br />
loranthifolia Roxb. di BKPH Gunung Slamet<br />
Barat, Banyumas Timur (Bark rot on Agathis<br />
loranthifolia Roxb. in BKPH Gunung Slamet<br />
Barat, Banyumas Timur). Duta Rimba 61-62:<br />
17-19.<br />
267. Suharti, M. 1988. Efektivitas beberapa jenis<br />
fungisida untuk pengendalian penyakit lodoh<br />
pada bibit Pinus merkusii di Sempolan, Jember,<br />
Jawa Timur (Effectiveness of some fungicides<br />
for the control of damping-off in Pinus<br />
merkusii seedlings at Sempolan, Jember, <strong>East</strong><br />
Java). Buletin Penelitian Hutan 496: 31-41.<br />
268. Suharti, M. and Hadi, S. 1974. Wilt disease of<br />
Dalbergia latifolia in Malang forest district,<br />
<strong>East</strong> Java. Laporan Lembaga Penelitian Hutan<br />
No. 194, Bogor. 9p.<br />
269. Suharti, M. and Intari S.E. 1974. Pedoman<br />
pengenalan hama dan penyakit pada jati<br />
(Tectona grandis L.f.) (Guide to identify pest<br />
and disease on teak (Tectona grandis L.f.)).<br />
Laporan Lembaga Penelitian Hutan No. 182,<br />
Bogor.<br />
270. Suharti, M. and Santoso, E. 1988. Hubungan<br />
antara faktor ketinggian tempat, curah hujan,<br />
umur tanaman dan intensitas fox-tail pada
L. Santoso and K.S.S. Nair 77<br />
tegakan Pinus merkusii di Jawa (Relation<br />
between factors of altitude, rainfall and<br />
plantation age and the intensity of fox-tail in<br />
Pinus merkusii stands in Java). Buletin<br />
Penelitian Hutan 494: 21-29.<br />
271. Suharti, M. and Santoso, E. 1989. Penyakit<br />
kanker batang pada Ecalyptus urophylla di<br />
areal hutan PT Arara Abadi, Riau (Stem cancer<br />
of Ecalyptus urophylla in forest area of PT<br />
Arara Abadi, Riau). Buletin Penelitian Hutan<br />
509: 37-45.<br />
272. Suharti, M. and Santoso, E. 1995. Penyakit<br />
kanker batang pada E. urophylla di areal hutan<br />
PT Arara Abadi Perawang, Riau (Stem cancer<br />
diseases on Eucalyptus urophylla in forest area<br />
at PT Arara Abadi Perawang, Riau). Buletin<br />
Penelitian Hutan 567: 37-45.<br />
273. Suharti, M. and Sitepu, I.R. 1997. Some<br />
important <strong>pests</strong> and diseases of forest<br />
plantation in Indonesia. In: Nasendi, B.D. (ed.)<br />
A state-of-the art report on some recent<br />
forestry policies, initiatives and achievements<br />
in Indonesia: Concepts, strategies and actions<br />
for sustainable forest management and forestry<br />
development towards 21 st century, 39-45.<br />
Ministry of Forestry of the Republic of<br />
Indonesia, Jakarta.<br />
274. Suharti, M., Anwar, C. and Santoso, E. 1981.<br />
Wilt disease of pine at Aek Na Uli, North<br />
Sumatra. Laporan Balai Penelitian Hutan No.<br />
376, Bogor.<br />
275. Suharti, M., Hardi, T. and Irianto. B. 1991.<br />
Mengenal beberapa hama dan penyakit penting<br />
pada tanaman HTI (Identification of important<br />
<strong>pests</strong> and diseases in industrial plantation<br />
forest). In: Hadi, S., Rachmatsyah, O. and<br />
Nahamara, S.T. (eds.) Peningkatan<br />
Produktivitas Hutan Tanaman Industri melalui<br />
Upaya Pengendalian Hama dan Penyakit Secara<br />
Terpadu, 97-106. Prosiding Seminar Nasional<br />
di Bogor 30 Juli 1991. Fakultas Kehutanan IPB<br />
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276. Suharti, M., Santoso, E. and Intari, S.E. 1986.<br />
Mengenal beberapa jenis hama dan penyakit<br />
tanaman hutan industri (Identification of some<br />
<strong>pests</strong> and diseases in industrial plantation<br />
forests). Badan Litbang Kehutanan, Universitas<br />
Mulawarman, Samarinda.<br />
277. Sulthoni, A. 1986. Permasalahan perlindungan<br />
tanaman pada hutan tanaman industri dan<br />
kaitannya dengan teknologi maju (Issues on<br />
plant protection in industrial plantation forest<br />
and its relation with advanced technology). In:<br />
Prosiding Seminar Nasional Ancaman terhadap<br />
HTI, 20 December 1986, Jakarta, 20-25.<br />
FMIPA dan Departemen Kehutanan. Inhutani<br />
I, Jakarta.<br />
278. Sumadiwangsa, S. 1997. Kayu gaharu komoditi<br />
elit di Kalimantan Timur (Agarwood as a highvalue<br />
commodity in <strong>East</strong> Kalimantan). Duta<br />
Rimba 20: 205-206.<br />
279. Supriana, N. and Natawiria, D. 1987. Forest<br />
<strong>pests</strong> and diseases in Indonesia. In: de Guzman,<br />
E.D. and Nuhamara, S.T. (eds.) Forest <strong>pests</strong><br />
and diseases in South-<strong>East</strong> Asia, 21-41.<br />
BIOTROP Special Publication No. 26,<br />
SEAMEO-BIOTROP, Bogor, Indonesia.<br />
280. Tikupadang, H., Sumardjito, Z. and Sila, M.<br />
1993. Inventarisasi dan identifikasi serangga<br />
potensial menjadi hama dan mikroba potensial<br />
menjadi penyakit pada hutan tanaman industri<br />
PT Inhutani I, Kabupaten Gowa, Propinsi<br />
Sulawesi Selatan. (Inventory and identification<br />
of potentially serious <strong>pests</strong> and diseases in<br />
industrial forest plantation at PT Inhutani I,<br />
Gowa regency, South Sulawesi). Jurnal<br />
Penelitian Kehutanan 7: 10-21.<br />
281. Torquebiau, E. 1984. Man-made Dipterocarp<br />
forest in Sumatra. Agroforestry Systems 2:<br />
103-127.<br />
282. Widyastuti, S.M. 1996. Penghambatan penyakit<br />
damping-off (rebah semai) pada semai pinus<br />
oleh ekstrak biji nyiri (Xylocarpus granatum).<br />
(Inhibition of damping-off of pine seedling by<br />
extract of Xylocarpus granatum’s seed). Jurnal<br />
Perlindungan Tanaman Indonesia 2(1): 32-35.<br />
283. Widyastuti, S.M. and Sumardi. 1998.<br />
Antagonistic potential of Trichoderma spp.<br />
against root rot pathogen of forest tree species.<br />
Asian Journal of Sustainable Agriculture 2:1-8.
78 Bibliography of <strong>Insect</strong> Pests and Diseases<br />
284. Widyastuti, S.M., Sumardi and Harjono. 1999.<br />
Potensi antagonistik tiga Trichoderma spp.<br />
terhadap delapan penyakit akar tanaman<br />
kehutanan. (Antagonistic potential of three<br />
species of Trichoderma spp. against eight root<br />
rot diseases of forest trees). Buletin Kehutanan<br />
Gadjah Mada University 41:2-10.<br />
285. Widyastuti, S.M., Sumardi and Hidayati, N.<br />
1998a. Kemampuan Trichoderma spp. untuk<br />
pengendalian hayati jamur akar putih pada Acacia<br />
mangium secara in vitro. (Potential of<br />
Trichoderma spp. for biological control white<br />
root rot of Acacia mangium). Buletin Kehutanan<br />
Gadjah Mada University 36: 24-38.<br />
286. Widyastuti, S.M., Sumardi and Puspitasari, D.<br />
1999. Uji kemampuan penghambatan ekstrak<br />
biji nyiri (Xylocarpus granatum) terhadap jamur<br />
benih tanaman kehutanan. (Test toward<br />
inhibition potential of the extract of Xylocarpus<br />
granatum against fungi on seed of forest tree<br />
species). Buletin Kehutanan Gadjah Mada<br />
University 37: 2-9.<br />
287. Widyastuti, S.M., Sumardi, Sulthoni, A. and<br />
Harjono. 1998b. Pengendalian hayati penyakit<br />
akar merah pada akasia dengan Trichoderma.<br />
(Biological control of red root rot on Acacia<br />
using Trichoderma). Jurnal Perlindungan<br />
Tanaman 4: 65-72.<br />
288. Zaidi, M.D.H. 1997. Mekanisme masuknya<br />
intensitas serangan jamur pelapuk kayu teras<br />
pada tegakan Acacia mangium Willd di HTI PT<br />
Wirakarya Sakti, Propinsi Jambi (Entry<br />
mechanism of heart rot disease on Acacia<br />
mangium Willd in HTI PT Wirakarya Sakti,<br />
Jambi province). Thesis, Fakultas Kehutanan,<br />
Institut Pertanian Bogor, Bogor, Indonesia.<br />
289. Zakir, Simon, T. and Suharti, M. 1993. Jenis<br />
jamur yang berasosiasi dengan biji<br />
Paraserianthes falcataria and Pinus merkusii<br />
dalam berbagai periode serta cara simpan (Fungi<br />
associated with Paraserianthes falcataria and<br />
Pinus merkusii in various method and period of<br />
storage). Buletin Penelitian Hutan 554: 37-55.<br />
290. Zulfiah, A. and Gales, K. 1997. Diseases of<br />
tropical Acacias in South Sumatra. In: Old, K.M.,<br />
Lee, S.S. and Sharma, J.K. (eds.) Diseases of<br />
tropical Acacias, 48-52. Proceedings of an<br />
International Workshop held at Subanjerji (South<br />
Sumatra), 28 April-3 May 1996. CIFOR Special<br />
Publication, Bogor, Indonesia.
L. Santoso and K.S.S. Nair 79<br />
6.3. Bibliography Indexes<br />
Scientific Indexes<br />
Tree Species<br />
Bibliography Number<br />
Acacia 003 011 016 027 029 094 110<br />
111 166 171 174 180 184 192<br />
211 221 228 242 243 244 245<br />
251 253 284 287 288 290<br />
Acacia auriculiformis 221 253<br />
Acacia mangium 003 011 016 027 029 094 110<br />
111 174 180 184 192 228 242<br />
243 245 251 284 287 288<br />
Agathis dammara 070 213 239<br />
Agathis loranthifolia 266<br />
Alstonia scholaris 007<br />
Anacardium occidentale 255<br />
Avicennia 013 187<br />
Azadirachta indica 129<br />
Bruguiera 041 044<br />
Dalbergia latifolia 060 224 268<br />
Dipterocarpaceae 063 071 078 086 163 164 209<br />
258 281<br />
Eucalyptus 036 056 098 102 103 110 186<br />
188 189 190 191 215 225 251<br />
271 272<br />
Eucalyptus alba 056 225<br />
Eucalyptus deglupta 098 110 251 271 272<br />
Eucalyptus urophylla 271 272<br />
Gmelina arborea 030 072 097<br />
Gonystylus bancanus 137 145<br />
Melaleuca cajuputi/leucadendron 040 059 264 265<br />
Metroxylon sagu 181<br />
Mikania micrantha 019<br />
Nylocarpus granatum 282 284
80 Bibliography of <strong>Insect</strong> Pests and Diseases<br />
Paraserianthes falcataria 029 050 061 068 082 090 104<br />
130 132 133 162 167 232 289<br />
Paulownia kawakamii 263<br />
Pinanga 200<br />
Pinus merkusii 005 009 011 043 074 084 114<br />
119 120 141 143 167 172 174<br />
175 183 184 194 217 219 220<br />
222 256 259 260 262 267 270<br />
Rhizophora 004 013 187<br />
Rhizophora mucronata 004<br />
Santalum album 109 250<br />
Shorea 002 006 051 105 178 182 237<br />
248<br />
Shorea acuminatissima 237<br />
Shorea albida 002<br />
Shorea javanica 006 051 182<br />
Shorea smithiana 237<br />
Swietenia macrophylla 077 080 127 142 147 148 149<br />
Tectona grandis 010 038 039 042 045 053 065<br />
122 123 124 126 158 269<br />
<strong>Insect</strong>s<br />
Acanthopsyche 041<br />
Antennopsis gayi 096<br />
Aulacaspis vitis 157<br />
Calliteara cerigoides 078<br />
Chaetocnema 044<br />
Chionaspis 004 052<br />
Clouges glauculalis 007<br />
Curinus coeruleus 117<br />
Dioryctria 054 057 114 141<br />
Duomitus ceramicus 038<br />
Eurema 031 061 134<br />
Helopeltis 067 102 103<br />
Helopeltis antonii 103
L. Santoso and K.S.S. Nair 81<br />
Hypsipyla robusta 077 080 127 142 147 148 149<br />
Loranthus 125<br />
Macrochirus praetor 046<br />
Metisa plana 106<br />
Milionia basalis 043<br />
Mucanum 051<br />
Neotermes tectonae 010 039 042 045 053 122 123<br />
124 158<br />
Paliga damastesalis 037<br />
Prionoxystus 097<br />
Scolytids 066<br />
Xyleutes ceramicus 038<br />
Xystrocera festiva 033 035 068 076 090 104 130<br />
132<br />
Zeuzera coffeae 098<br />
Diseases<br />
Aecidium fragiforme 213 239<br />
Botryodiplodia 177<br />
Cylindrocarpon 195<br />
Cylindrocladium quinqueseptatum 186<br />
Fusarium 195<br />
Guignardia candeloflamma 200<br />
Hyphomycetes 190<br />
Mycosphaerella 188 189<br />
Mycosphaerella gracilis 188<br />
Pseudomonas solanacearum 255<br />
Ramaria canieticolor 243<br />
Rhizoctonia solani 174<br />
Trichoderma 175 176 177 283 284 286 287
82 Bibliography of <strong>Insect</strong> Pests and Diseases<br />
General Indexes<br />
In Bahasa Indonesia<br />
Bibliography Number<br />
Akasia 003 011 016 027 029 094 110<br />
111 166 171 174 180 184 192<br />
211 221 228 242 243 244 245<br />
251 253 284 287 288 290<br />
Bercak daun 178 188 200 215<br />
Boktor 033 035 068 076 090 104 130<br />
132<br />
Busuk akar 060 176 179 224 283 286<br />
Busuk batang 176 266<br />
Busuk bonggol 181<br />
Busuk hati 228 288<br />
Cendana 109 250<br />
Damar 070 213 239<br />
Derajat penularan 004<br />
Dipterocarpa 002 006 015 018 063 071 078<br />
086 163 164 195 197 198 209<br />
258 281<br />
Ekaliptus 036 056 098 102 103 110 186<br />
188 189 190 191 215 225 251<br />
271 272<br />
Ekor serigala 217 270<br />
Embun tepung 221<br />
Gaharu 140 278<br />
Hama persemaian 026<br />
Hawar daun 186<br />
Hutan Tanaman Industri 008 021 024 025 026 032 036<br />
049 058 079 083 088 100 101<br />
112 115 116 118 121 128 131<br />
134 136 138 139 154 156 159<br />
161 162 170 201 205 207 212<br />
218 223 230 231 233 235 236<br />
238 240 241 246 247 252 254<br />
257 261 273 275 276 277 280<br />
Inger-inger 010 039 042 045 053 122 123<br />
124 158<br />
Jamur akar merah 287
L. Santoso and K.S.S. Nair 83<br />
Jamur akar putih 284<br />
Jamur karat 239 253<br />
Jamur pewarna 229<br />
Jati 010 038 039 042 045 053 065<br />
122 123 124 126 158 269<br />
Jati putih 030 072 097<br />
Kanker batang 271 272<br />
Kayu putih 040 059 264 265<br />
Kerawai 084<br />
Kumbang ambrosia 012 137 145 160<br />
Kupu kuning 031 134<br />
Leda 098 110 251<br />
Lodoh 172 173 175 222 256 262 267<br />
282<br />
Mahoni 077 080 127 142 147 148 149<br />
Mangrove 004 013 028 052 157 165 187<br />
Mete 255<br />
Mimba 129<br />
Nyiri 282 284<br />
Oleng-oleng 038<br />
Penggerek batang 012 030 097 098<br />
Penggerek lubang jarum 136<br />
Penggerek pucuk 077 080 127 142 147 148 149<br />
Penggerek pucuk rotan 046 047<br />
Penyakit layu 268 274<br />
Penyakit puru 264 265<br />
Pulai 007<br />
Ramin 137 145<br />
Rayap 010 027 039 040 042 045 053<br />
056 059 060 070 096 108 122<br />
123 124 158 224<br />
Kanker akar 263<br />
Rotan 046 047 062<br />
Sagu 181
84 Bibliography of <strong>Insect</strong> Pests and Diseases<br />
Sengon 029 049 061 068 082 090 104<br />
130 132 133 162 167 232 289<br />
Sonokeling 060 224 268<br />
Tusam 005 009 011 043 057 074 084<br />
114 119 120 141 143 167 172<br />
174 175 183 184 194 217 219<br />
220 222 256 259 260 262 267<br />
270 274 282<br />
Ulat kantung 041 106<br />
In English<br />
Agarwood 140 278<br />
Ambrosia beetle 012 137 145 160<br />
Bagworm 041 106<br />
Bark beetle 012 030<br />
Bark rot 266<br />
Beehole borer 038<br />
Cashew 255<br />
Caueput 040 059 264 265<br />
Damping-off 172 173 175 222 256 262 267<br />
282<br />
Dipterocarp 002 006 015 018 063 071 078<br />
086 163 164 195 197 198 209<br />
258 281<br />
Fox-tail 217 270<br />
Gall disease 264 265<br />
Heart rot 228 288<br />
Industrial plantation forest 008 021 024 025 026 032 036<br />
049 058 079 083 088 100 101<br />
112 115 116 118 121 128 131<br />
134 136 138 139 154 156 159<br />
161 162 170 201 205 207 212<br />
218 223 230 231 233 235 236<br />
238 240 241 246 247 252 254<br />
257 261 273 275 276 277 280<br />
Ironwood 137 145<br />
Leaf blight 186
L. Santoso and K.S.S. Nair 85<br />
Leaf spot 178 188 200 215<br />
Mahogany 077 080 127 142 147 148 149<br />
Mangrove 004 013 028 052 157 165 187<br />
Neem 129<br />
Nursery <strong>pests</strong> 026<br />
Pine 005 009 011 043 057 074 084<br />
114 119 120 141 143 167 172<br />
174 175 183 184 194 217 219<br />
220 222 256 259 260 262 267<br />
270 274 282<br />
Pine sawfly 084<br />
Pinhole borer 136<br />
Powder post beetle 062<br />
Powdery mildew 221<br />
Rattan 046 047 062<br />
Rattan top borer 046 047<br />
Red root rot 287<br />
Rhizome rot 181<br />
Root canker 263<br />
Root rot 060 176 179 224 283 286<br />
Rust disease 239 253<br />
Sago 181<br />
Sandalwood 109 250<br />
Sapstain 229<br />
Scale insect 004<br />
Stem canker 271 272<br />
Stem rot 176<br />
Teak 010 038 039 042 045 053 065<br />
122 123 124 126 158 269<br />
Teak skeletonizer 037<br />
Termite 010 027 039 040 042 045 053<br />
056 059 060 070 096 108 122<br />
123 124 158 224<br />
White grubs 055<br />
White root rot 284<br />
Wilt disease 268 274
Indexes<br />
Tree<br />
Acacia 17, 19, 31, 41, 42, 46, 50, 54<br />
A. aulacocarpa 19<br />
A. auriculiformis 17, 18, 19, 42, 45<br />
A. crassicarpa 19<br />
A. mangium 1, 2, 5, 7, 8, 13, 15, 16, 17, 18, 19,<br />
36, 39, 41, 42, 45, 46, 47, 48, 49, 51, 52, 54<br />
A. mearnsii 18, 54<br />
A. perigrina 19<br />
Actinophora fragrans 11, 12<br />
Agathis 3, 39, 45<br />
A. borneensis 19<br />
A. dammara 6, 19, 20, 40<br />
A. loranthifolia 19, 52<br />
Albizia 17, 42, 48<br />
A. falcataria 50, 51<br />
A. lebbek 18<br />
Alstonia 7, 20, 41<br />
A. scholaris 20<br />
A. spatulata 20<br />
Anthocephalus 7, 41, 52<br />
A. cadamba 20<br />
A. chinensis 20, 49<br />
A. macrophyllus 20<br />
Aquilaria 27<br />
Avicennia 28, 29<br />
A. marina 29, 45<br />
A. alba 29, 50<br />
Azadirachta 42<br />
A. excelsa 7, 21, 41<br />
A. indica 21, 36, 52<br />
Bruguiera 28, 29, 47<br />
B. gymnorhiza 29<br />
Casuarina<br />
C. junghuhniana 11, 12<br />
C. montana 11<br />
Dalbergia 3, 21, 22, 40<br />
D. latifolia 6, 21, 22, 40, 48, 51, 52<br />
D. sissoo 21, 22, 47<br />
Dipterocarps 7, 41, 46<br />
Dipterocarpus 22<br />
D. cornutus 22, 23<br />
Dyera 7, 24, 41<br />
D. costulata 24<br />
D. lowii 24<br />
D. polyphylla 24<br />
Eucalyptus 1, 2, 7, 8, 18, 24, 25, 26, 40, 41, 42,<br />
51<br />
E. alba 48<br />
E. camaldulensi 24<br />
E. deglupta 24, 45<br />
E. grandis 24<br />
E. marginata 26, 36<br />
E. pellita 24, 25, 42<br />
E. tereticornis 24<br />
E. torrelliana 24<br />
E. urophylla 24, 25, 42, 52<br />
Enterolobium 31<br />
Eusideroxylon 48<br />
E. zwageri 7, 26, 41<br />
Excoecaria agallocha 11, 12, 29, 49<br />
Gmelina 50, 54<br />
G. arborea 1, 2, 7, 8, 27, 39, 41, 42<br />
G. moluccana 26<br />
Gonystylus 27, 52<br />
G. bancanus 7, 27, 41<br />
G. macrophyllus 27<br />
Hopea 23<br />
H. mengrawan 22<br />
H. odorata 22, 23<br />
Heritiera fomes 29, 51<br />
Hevea braziliensis 7, 43
88 Indexes<br />
Koompassia 7, 28, 41<br />
K. excelsa 28<br />
K. grandiflora 28<br />
K. malaccensis 28<br />
Leucaena leucocephala 1<br />
Melaleuca 12<br />
M. cajuputi 6, 29, 30, 40<br />
M. leucodendron 29, 30, 45, 46, 48<br />
Maesopsis eminii 7, 28, 40, 51<br />
Neolamarckia 20<br />
N. cadamba 20<br />
Ochroma grandiflora 30<br />
O. lagopus 30, 45<br />
O. pyramidale 7, 30, 41, 49<br />
Octomeles sumatrana 7, 30, 41, 46<br />
Palaquium 11, 12<br />
Paraserianthes 12<br />
P. falcataria 1, 2, 6, 7, 8, 12, 13, 16, 17, 31, 32,<br />
33, 39, 40, 42, 45, 48, 49<br />
Peronema 43, 46<br />
P. canescens 7, 33, 41<br />
Pinus 3<br />
P. caribaea 34<br />
P. kesiya 34, 35<br />
P. merkusii 6, 7, 11, 12, 13, 33, 34, 35, 40, 42, 43,<br />
47, 49, 52<br />
Pithecolobium 31<br />
Prionoxystus 27<br />
Rhizophora 6, 12, 28, 29, 40<br />
Samanea saman 31<br />
Schleichera 12<br />
S. oleosa 6, 35, 40<br />
Shorea 7, 12, 22, 23, 43, 51<br />
S. albida 24, 45<br />
S. assamica 23<br />
S. johorensis 23<br />
S. javanica 22, 23, 47<br />
S. lamellata 23<br />
S. leprosula 22, 23<br />
S. parviflora 22, 23<br />
S. pinanga 22, 23<br />
S. robusta 24<br />
S. selanica 22<br />
S. smithiana 22, 23<br />
S. stenoptera 22<br />
Sonneratia 28<br />
S. acida 11<br />
Swietenia macrophylla 6, 7, 35, 36, 39, 40, 43, 48,<br />
53<br />
Tectona grandis 2, 6, 7, 37, 39, 40<br />
Xylocarpus granatum 34, 54
Indexes 89<br />
<strong>Insect</strong><br />
Acanthopsyche 28, 29, 47<br />
Achaea janata 12, 19, 29<br />
A. serva 29, 49<br />
Agathiphaga 20<br />
Agrilus 25<br />
A. kalshoveni 12<br />
A. sexsignatus 24, 26<br />
Alcides 24, 25<br />
A. gmelinae 26<br />
Alcidodes<br />
A. dipterocarpi 23<br />
A. ludificator 26, 27<br />
Anadasmus porinodus 30<br />
Anagyrus 31<br />
Andrector ruficornis 45<br />
Apion argulicolle 27<br />
Apis dorsata 28<br />
Archips micaceana 24<br />
Attacus atlas 36<br />
Aulacaspis 53<br />
A. marina 28, 29<br />
A. vitis 53<br />
Batocera numitor 20<br />
Calliteara cerigoides 22, 23, 49<br />
Calopepla leayana 27<br />
Chaetocnema 47<br />
Characoma 30<br />
Chionaspis 28, 29, 47<br />
Cleora injectaria 29, 50<br />
Clovia 33<br />
Coptotermes 34<br />
C. curvignathus 15, 16, 18<br />
Crossotarsus externe-dentatus 36<br />
Cryptothelia variegata 34<br />
Dendrolimus 35<br />
Dioryctria<br />
D. abietella 35<br />
D. castanea 35, 51<br />
D. rubella 33, 34, 35, 40, 48<br />
D. sylvestrella 35<br />
Duomitus ceramicus 47<br />
Eurema 32, 33, 53<br />
E. blanda 32<br />
E. hecabe 32<br />
Ericeia 19<br />
E. subcinerea 51<br />
Eumeta 34<br />
E. (Clania) variegata 11<br />
Eurema<br />
E. blanda 32<br />
Eutectona 37<br />
E. machaeralis 37, 38, 49<br />
Glena indiana 27<br />
Glyphodes 20<br />
G. bicolor 20<br />
Gonipterus 26<br />
Hapalia machaeralis 37<br />
Helicoverpa armigera 19<br />
Heliothis armigera 19<br />
Helopeltis 16, 18, 24, 25, 41, 42, 51<br />
H. antonii 18, 21<br />
H. clavifer 23<br />
H. fasciaticollis 16, 18<br />
H. sumatranus 16, 18<br />
H. theivora 16, 18<br />
Heteropsylla cubana 1<br />
Hoplocerambyx spinicornis 24, 51<br />
Hyblaea puera 12, 29, 37, 38, 40, 49<br />
Hypsipyla<br />
H. grandella 36<br />
H. robusta 12, 35, 36, 40, 48, 49, 53<br />
Indarbela quadrinotata 31, 32<br />
Ips<br />
I. calligraphus 35, 46<br />
I. grandicollis 46<br />
Kolla bataviae 24<br />
Laccifer lacca 35<br />
Lawana candida 22, 23<br />
Leucoptera sphenograpta 21<br />
Loboschiza vulnerata 21<br />
Locusta 16, 18<br />
Lymantria galinara 11<br />
Macrotermes gilvus 21<br />
Margaronia 20<br />
M. hilaralis 20<br />
Megachile 36<br />
Milionia basalis 11, 34, 35<br />
Mucanum 22, 23, 47
90 Indexes<br />
Nanophyes shoreae 23<br />
Neodiprion 35<br />
Neotermes 36<br />
N. papua 36<br />
N. samoanus 36<br />
N. tectonae 12, 37, 38, 47, 52<br />
Nesodiprion beremis 34, 35<br />
Odontotermes grandiceps 21<br />
Ophiusa<br />
O. melicerta 12, 29<br />
O. serva 11<br />
Ozola minor 27<br />
Paliga<br />
P. damastesalis 37, 38, 47<br />
P. machaeralis 38<br />
Petrova cristata 48<br />
Petrovia 35<br />
Phoracantha 26<br />
Platypus gerstaeckeri 36<br />
Plecoptera reflexa 19, 20<br />
Prionoxystus 26, 27<br />
Prodenia litura 19<br />
Pseudophacopteron 54<br />
P. alstonium 20<br />
Pteroma 11<br />
P. plagiophleps 16, 18, 28, 29, 31, 32, 33, 34, 40,<br />
49<br />
Pyrausta 37<br />
P. machaeralis 37<br />
Rhyaciona 35<br />
Selepa celtis 19, 27<br />
Sesarma 28, 47<br />
Sinoxylon 18<br />
Spirama retorta 18, 51<br />
Sternocera 18<br />
Sylepta derogata 30, 49<br />
Tingis beesoni 27<br />
Trichogramma minutus 34<br />
Valanga nigricornis 16, 18, 37, 38<br />
Voracia casuariniphaga 11<br />
Xyleborus 28, 29<br />
X. destruens 37, 38<br />
X. fornicatus 16, 27<br />
X. morstatti 36<br />
Xyleutes ceramica 27, 37, 38<br />
Xylosandrus 16, 18<br />
X. compactus 19, 36<br />
X. morigerus 32<br />
Xystrocera<br />
X. festiva 12, 16, 17, 19, 30, 31, 32, 33, 40, 42,<br />
46, 47, 50<br />
X. globosa 17, 19, 31, 32, 42<br />
Zeuzera coffeae 18, 24, 25, 30, 37, 38<br />
Zeuzera conferta 28, 29
Indexes 91<br />
Disease<br />
Aecidium fragiformae 19<br />
Agrobacterium tumefaciens 22, 23<br />
Armillaria mellea 36<br />
Asterina 23<br />
Atelocauda digitata 17<br />
Botryodiplodia 25, 27, 32, 33, 51<br />
B. thoeobromae 33<br />
Calonectria rigidiuscula 30<br />
Capnodium 23<br />
Cercospora 17, 23<br />
Cladiospora 34<br />
Collectotrichum 17, 23, 27, 32<br />
Corticium 33<br />
C. pseudoferreum 18<br />
C. salmonicolor 17, 18, 19, 20, 25, 33, 38<br />
Curvularia 22, 25<br />
C. harveyi 23<br />
Cylindrocarpon 22<br />
C. destructens 23<br />
Cylindrocladium 25, 26<br />
Cylindrocladium multiseptatum 25<br />
Cytospora 17<br />
Fusarium 19, 21, 22, 23, 25<br />
F. moniliformae 30<br />
F. solani 21, 22, 28<br />
Fomes lignosus 17, 18<br />
Ganoderma 21, 27, 32<br />
G. philipii 17, 18<br />
G. pseudoferreum 17, 19<br />
Hypoxylon mammatum 17<br />
Kirramyces destructens 25<br />
Leptoporus lignosus 17<br />
Macrophoma 26<br />
Meliola 17, 33<br />
Mycosphaerella 25<br />
Nectria 25<br />
Nectria radiocola 23<br />
Oidium 17<br />
Pestalotia 23, 25<br />
Pestalotiopsis 17<br />
Phellinus noxius 17, 18, 30, 36, 45<br />
Phytophthora 25, 26, 27, 32<br />
P. cinnamomi 26, 36, 48<br />
Pythium 19, 20, 25, 27, 32<br />
Pytophthora palmivora 17<br />
Rhizoctonia 19, 20, 27, 32, 49<br />
Rigidoporus hypobrunneus 17<br />
Rigidoporus microporus 17, 18<br />
Rosellinia 32<br />
Stilbella ecuadorensis 30, 49<br />
Tinctoporellus epimiltinus 17<br />
Trichoderma 54<br />
Ustulina 32