EVALUATION OF CERTAIN ECOFRIENDLY INSECTICIDES AGAINST LEPIDOPTEROUS PESTS OF CABBAGE

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dc.contributor.advisorSRIRAMULU, M.
dc.contributor.authorMALATHI, S.
dc.date.accessioned2018-05-29T09:57:15Z
dc.date.available2018-05-29T09:57:15Z
dc.date.issued1997
dc.description.abstractacillus thuringiensis var. kurstaki (B.t.k.) formulations Dipel, Delfin, Biobit,Biolep, Bioaspat0.075percent,botanicalinsecticideNeemgold0.03%, nematodeformulation(Steinernemafeltiae)Greencommandos@25sponges/acre and endosulfan at 0.07 per cent were evaluated against the lepidopterous pests of cabbage under field and laboratory conditions. Delfin was very effective in reducing the populations ofdiamond backmoth Plutel/axylostella (L.), cabbage leaf webber Crocido/omia binotaiis (Zell). Dipel was equally effective against these pests. Endosulfan proved to be effective against tobacco caterpillar Spodoptera Iitura (Fab). Under laboratory bioassay, all B.t.k. formulationswere equally effective againstP. xy/oste/la and C. binota/I's, resulting in 86.66 to 100.00 and 96.66 to 100.00 per cent mortality in 72 hrs. Endosulfan gave cent per cent mortality of S. litura. All the test insecticideswerefound to besafeand did notshowany adverse affect on coccinellid population under field conditions. The test insecticides did not show any adverse affect on parasitoid Trichogramma chilonis emergence when the Corcyra eggs were exposed for parasitisation and sprayed. Endosulfan and Neemgold sprayed eggs had relatively low parasitisation and adult emergence. Endosulfan residues were below MRL even at initial deposit.en_US
dc.identifier.citationD5404en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810048080
dc.keywordsEVALUATION OF CERTAIN ECOFRIENDLY INSECTICIDES AGAINST LEPIDOPTEROUS PESTS OF CABBAGEen_US
dc.language.isoenen_US
dc.pages89pen_US
dc.publisherProfessor Jayashankar Telangana State Agricultural Universityen_US
dc.subEntomologyen_US
dc.subjectnullen_US
dc.themeEntomologyen_US
dc.these.typeM.Scen_US
dc.titleEVALUATION OF CERTAIN ECOFRIENDLY INSECTICIDES AGAINST LEPIDOPTEROUS PESTS OF CABBAGEen_US
dc.typeThesisen_US
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