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A4YCOTAXON$ VolumeLXV, p. 517-520 October-December 1997 PHOMOPSIS AZADIRACHTAE SP. NOV. I'ROM INDIA B h a t . S . . a n d D e v a k i .\ . S . S a t e e s hV. I . K . . S h a n k a r a Departmentof Studiesin Botany of \{ysore. lUanasagan sotri Universit-v \h sore- -5700ftj. India Abstract A new speciesof coelomycete.I'honop:is tt:.tulirachtueinfecting d in India. is described. .\:ud irachto tnr.!it' die-backsymptoms \eem (A:rrdrracltldit:tli:\t.\. Juss.) treesin India showingcharacteristic consistentl) yieldeda speciesof I'funnpsis. tJecker( I 988) describesthe difficultiesin identifying (Riedl et al.. unknownspeciesof I'l:oniop.tlr.The namel'homopsii is a nonrenconservandum I 98 I ). Wechtl ( I 988. I 990) madederailedmorphologicaland anatomicalsludieson genitype and severalotherspeciesoccurringon Compositaeand Umbelliferae.Llecker Phtntopsislut-tucrre ( l9&i) publisheda uorld Iist ol I'lutmop:i.sspecieson differenthost plant species.Comparisonof thePlrtmop.sisspeciesisolatedfrom,1. irrcllruwith the earlierdescribedsrycies.Phonopsis abdita (Sacc.)Traversoon.\lelfu u-etluratlt L.(L.ecker.1988:Bilgrami et al.- l99l: Ellis & Ellis. 1985) specieson A . revealedthat it r as not described preriously.This is the first renr:fiol a I'hrtntrrp-sls izliru from lndia. Phomopsis azetdirachtae sp. nov. ( F i g s .l - 6 ) \'llcelium immersum.ramosum.septatum.hl alinum.tandempallidebrunneum.Conidiomata pallidebrunneavel atrobrunneavel nigra. immersa-erumpentia. pycnidica.solitariavel aggregata. composilaex lexturaangularia. unilocularia.crassitttnicataampulliformiavel subglobosa. endogenier luminibuscellularummajorum.exteriomelanocea. unifomra.conobasaliturgescente magnit.-10O-500 7m altaet 900 pm lata in sectionis.clypeisbasalisminutis.Ostiolo singulano. filiformia" circulario.papillato.Conidiophorasimpliciavel ramosa.breviavel elongataseptata. h"valina: conidioptrorain pallisideestratisinteriorislocularisproducta.I 2-20 x 1.6-2.0pnr. canaleet collulo phialideae.subulatavel llliformia. integmlaevel discretae. Cellulaeconidiogenae periclinalicrassavel non. 5-8 x 1.6-3pm. alphaet betacorlidia spissitudine minutis.h.valinae. Conidiabi-typa.exertoin cremeovel luteomucosocirrho. producentes. conidiaacropleurogena. '1.8 l l.2 r I .6-3 2 pm. Alpha-conidiahyalina.fusiformia.recta.2-;{ guttulata.laevia.aseptata. germinantiaprompta:beta-conidiahyalina.filiformia. haniata.eguttulata.aseptata.l6-25.6 x I.6 2.0 7m. gemrinantiaincognita. HolotypusinranrulissiccisA:ttdiru'htuindiltt. \'[ysore (Karnataka).lndia. Leg. Sateesh.1996. H e r b .H C I O . + 2 1 l 9& M L I B H 9 8 3 . M-v-'celiumimmersed.branched.septate.profuse.colourless.becomespalebrown later. Conidiomata pycnidial.solitaryor aggregate.half-immersed.pale brown to dark brown or black. unilocular.thick-walledtexturaangularisuniform throughoutwith the ampulliformor subglobose. endogenousbasalswellingconewith lumina of biggercells (\\'echtl. 1988.1990).outer layen melanised,30O-50O 4m high. up to 900 7m wide in sections.very shortbasalclypei (Wechtl. 1988. l99O). Ostiole single.unilocular.circular.papillate.Conidiophores simpleor branched, shortor efongate.septate,filiform. hyaline,line the inner layerof l<rcule.12-2Ox 1.6-2.Oym. Conidiogenous cellsphialidic.subulateorfiliform.integratedordiscrete.channelandcollarette