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Legume Research- An International Journal
Management of Cercospora Leaf Spot of Mungbean [Vigna radiata (L.) Wilczek] using Fungicides and Host Resistance in Bundelkhand Region of Uttar Pradesh, India2024 •
Background: The pulses are important crop of Bundelkhand region of Uttar Pradesh. Among the pulses, mungbean is an important. Despite the multifaceted importance of this crop, its production could not be stabilized in the Uttar Pradesh as well as in the country due to several biotic constraints like diseases and insect-pests leading to considerable yield losses. Among several diseases affecting mungbean, cercospora leaf spot (CLS) caused by Cercospora canescens Ellis and Martin is one of the most important fungal diseases occurring regularly in the mungbean growing areas during the warm and humid weather. Methods: Experiments were conducted during two cropping seasons i.e. Kharif 2019 and 2020 to find out an efficient management strategy for this disease. In first experiment, 9 fungicides were assessed against CLS during both the seasons. In second experiment, 200 germplasm of mungbean were evaluated for resistance against cercospora leaf spot. Result: Among nine different fungicide treatments evaluated individually and as well as in combinations, spraying Carbendazim twice after first appearance of symptoms and second at 15 days' interval, gave maximum reduction in the incidence and severity of Cercospora leaf spot i.e. 45.57% and 58.45%, respectively along with significant enhancement (53.39%) in grain yield over the unprotected crop followed by treatment with Carbendazim + Mancozeb which resulted in 35.44% and 52.65% reduction in incidence and severity respectively and 44.88% enhancement in yield. Treatment with Captan + Hexaconazole was found to be least effective to reduce the disease incidence/ severity as well as to increase the crop yield. In second field experiment out of 200 mungbean genotypes evaluated against cercospora leaf spot during two consecutive crop seasons, four genotypes viz., PDM 04-123, PDM 54, EC520034-1 and EC 520022 were found to be resistant against cercospora leaf spot disease.
International Journal of Current Microbiology and Applied Sciences
Invitro Evaluation of Strobilurin and Triazole Fungicides against Frogeye Leaf Spot caused by (Cercospora sojina Hara.)2021 •
Soybean [Glycine max (L.) Merrill] is a legume crop and is the second largest after groundnut oilseed in India. It is growing in diverse agro-climatic conditions. Soybean ranks first among the oilseeds in the world and contributes for nearly 25% of the world’s total oil and fats production. The USA leads in terms of area and production of soybean, while India ranks fourth in area and fifth in production in the world. USA, Argentina, Brazil, China and India are the major producers of soybean accounting for 90 percent of world production. Productivity of soybean in India (830 kg/ha) is less than global (2800 kg/ha) average due to abiotic and biotic stresses (Anno.2019).
The experiment was planned to minimize the losses in mungbean against Cercospora leaf spot disease caused by Cercospora canescens Ellis & Martin. For this purpose a mungbean susceptible line was sown in three sets with three replications and four treatments i.e. Propineb (Antracol), Metalaxl+Mancozeb (Ridomil Gold), Mancozeb and Water as control. After fungicides spray artificial inoculation of C. canescens was given to three sets with 5 days interval to create disease epidemic. Results showed that all the protective fungicides reduced the incidence and severity percentages of Cercospora leaf spot. In particular Ridomil Gold and Antracol shown better results but Ridomil Gold was the best among all which substantially reduces the number of infected leaves and lesions on foliage and pods. It was also found that Ridomil Gold gave best results where it was sprayed within 10 days of infection (on Set I). It managed disease at 18.51% disease index which was much less than the untreated block where disease index was 40.74%.
Asian Research Journal of Agriculture
Performance of Chemical and Botanicals against Cercospora Leaf Spot (CLS) of Mungbean2016 •
2017 •
Cercospora leaf-spot (CLS), caused by Cercospora beticola, is an important foliar disease of Swiss chard in Botswana. The regularity of outbreaks of the disease in Botswana is a major cause of concern and thus, have necessitated the use of fungicides under field conditions in order to control the disease and bring the crop to maturity. The objective of the study was to assess the most effective, locally available fungicides in the control of CLS of Swiss chard under field conditions. The experiment was carried out in Sebele, where a tractor-ploughed field was partitioned into 24 plots, which were split into three blocks. Seedlings were transplanted into the plots, with each plot containing a maximum of 45 plants which were left for natural infection. Disease control commenced once symptoms were observed, using Copper oxychloride; Benomyl + Mancozeb; Mancozeb + Copper oxychloride; Benomyl; Benomyl + Copper oxychloride; Mancozeb; Benomyl + Mancozeb + Copper oxychloride applied at reco...
International Journal of Current Microbiology and Applied Sciences
Formulation of Effective Chemical Management Strategy against Cercospora Leaf Spot Disease of Chilli2018 •
Cercospora leaf spot is one of the most important foliage diseases in Nigeria. An in vivo study on the disease was carried using five plant extracts (Azadirachta indica, Jatropha curcas Linn., Alium sativum, Ocimum gratissimum (L., Chromolaena odorata) and a synthetic fungicide Benlate on four sesame varieties (Yandev 55, NCRIBEN 01M, E8 and NCRIBEN-03L) in a completely randomized design and replicated four times. The combined mean results revealed that severity was reduced from 45.46% to 38.30% when Ocimum gratissimum plant extract or Benlate was used as foliar spray. Furthermore, variety E8 was found to be resistant to Cercospora leaf spot. Similarly, interaction mean severity pooled for the years 2011 and 2012 indicated that E8 variety treated with plant extract from Ocimum gratissimum gave the lowest reduction of disease from 49.29% to 34.64% compared with the highest disease obtained from unsprayed plants of Yandev 55 variety. This had resulted in highest increase of 1000-seed weight from 2.37 to 3.37 g and seed yield per plant from 5.45 to 8.26 g.
Journal of Pharmacognosy and Phytochemistry
Biopriming and integrated management of Cercospora leaf spot of Sesame caused by Cercospora sesamicola2020 •
Among the foliar diseases of Sesame, Cercospora leaf spot caused by Cercospora sesamicola was destructive disease infecting all parts of the plant from seedling to physiological maturity leading to seed borne and further serves as primary source of inoculum for next season. At present management through chemicals are the first choice for the farmers to combat diseases because of their visibility of results immediately after application. The focus has been shifted to safer alternatives to chemical fungicides in recent years. Biological management had attained importance in modern Agriculture to curtail the hazards of intensive use of chemicals. Hence, an attempt was made to assess the effect of IDM modules viz., Biointensive (M1), Chemical (M2) and Adaptive (M3) on disease severity and yield of sesame in comparison with untreated check (M4). The study revealed that Module 3: Seed treatment with Trichoderma viride @ 10 g/kg - furrow application of enriched Trichoderma (2.5 kg Trichode...
Eur. J. Plant Pathol
Performance efficiency of some biocontrol agents on controlling Cercospora leaf spot disease of sugar beet plants under organic agriculture systemThis investigation was carried out on commercial organic field in the Fayoum Governorate of Egypt under conditions of natural infection, 2020/2021 and 2021/2022 to evaluate the effectiveness of four commercial biocides-Blight Stop (Trichoderma harzianum), Bio Zeid (T. album), Root Guard (Bacillus subtilis), and Bio ARC (B. megaterium)-as well as, four biocontrol agents (T. harzianum, T. album, B. subtilis, and B. megaterium) in controling Cercospora beticola Sacc, the main causal of Cercospra leaf spot (CLS) disease on sugar beet in an organic farming systems. All biocontrol agents and commercial biocides sprayed at the recommended dose in a two spray regime with 15 days between sprays, were significantly reduced Cercospora beticola, total amino acid and juice impurities (K, Na and α-a N %) in comparison to control treatment. All bioagents and biocides put to the test resulted in a significant rise in phenolic compound values, total chlorophyll, sucrose (%), purity (%), root, top and sugar yield quality of sugar beet during both seasons. Spraying Blight Stop was the most effective treatment followed by T. harzianum. B. megaterium was the least effective biocide treatment compared with the control treatment during the two growing seasons.
Poder y poderes en la Edad Media. Monografías de la Sociedad Española de Estudios Medievales, 16
“Res al mon no li es plasent, sino parlarli del reyalme”: Alfonso el Magnánimo y los símbolos para la legitimación de sus derechos sobre Nápoles (1421-1458).2021 •
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The population densities of spider mites and their natural enemies on protected strawberries in Aydin province2003 •
Journal of Plastic, Reconstructive & Aesthetic Surgery
Anthropometrics in preoperative prediction of resection weight in reduction mammaplasty: Is it really accurate?2018 •
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Das Allgemeine Gleichbehandlungsgesetz und der Schutz vor Diskriminierung durch algorithmische Entscheidungssysteme2023 •
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