Studies on Seed-Mycoflora of Sunflower (HelianthusannusL.)

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dc.contributor.advisorJoshuaAnandam, R.
dc.contributor.authorZakir Hussain, S.
dc.date.accessioned2018-06-12T06:08:00Z
dc.date.available2018-06-12T06:08:00Z
dc.date.issued1996
dc.description.abstractunflowerseedsareknownforitsoilquality.MycofloraassociatedwithtenvarietiesofsunflowerseedsincludesAlternariasp.,Aspergillus flavus,Aspergillusglaucus, Aspergillus niger, Chaetomium sp., Curvularzalunata,Fusariumsp.,Moniliasp.,Penicilliumsp.,Rhizopusstolonifer andRhizoctoniasp.Bothagarplateandblottermethodswereemployedforthe isolationofmycoflora.Agarplatemethodwasfoundbetterinyieldingmax1mum number of colonies of fungi than blotter method. In both the methods unsterilisedseedyieldedmorenumberofcoloniesthansterilisedseed.Among thetenfungiinoculatedtostudytheeffectongerminationinvivo,Fusarzum sp.,followedbyRhizoctoniasp.,andCurvularialunatahaveshowngreater effect in reducing the germination percentage, shoot and root length considerably. Amongfourfungicidestestedbypoisonedfoodtechnique,Celestat500 and1000ppmconcentrationwaseffectiveagainstCurvuiarialunatct whlle Captan at500 ppm, Bavistin and Dithane XVI—45at 1000 ppm were effective againstRhizoctoniasp.Captaninhibitedthe owthof theconcentrations. gr Fuhsarium513-atall Out.of four homoeopathic drugs, Azadiracta inhibited the growth of CurpularlalunataandRhuoctoniasp.tothemaximumextent.Incontrary ThuJaandNatrummurwmeffectiveonFusariumsp. , Among ten isolates of Aspergillus flavus screened for aflatoxin production,isolate-lproducedlargeamountscomparedtoothers buttherewas no aflatoxin productionwhen isolates-II, VII and IX were used. There was maximumreductioninshootandrootlengthsintheprominentvarietiestested whensoakedinculture filtrateofisolate-Iwhichcontainedaflatoxin.en_US
dc.identifier.citationD5341en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810051234
dc.keywordsStudies Seed-Mycoflora Sunflower (HelianthusannusL.)en_US
dc.language.isoenen_US
dc.pages119pen_US
dc.publisherProfessor Jayashankar Telangana State Agricultural Universityen_US
dc.subPlant Pathologyen_US
dc.subjectnullen_US
dc.themePlant Pathologyen_US
dc.these.typeM.Scen_US
dc.titleStudies on Seed-Mycoflora of Sunflower (HelianthusannusL.)en_US
dc.typeThesisen_US
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