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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 5
Studies on efficacy of biorationals on sorghum stem borer, Chilo partellus and Ear head caterpillar Helicoverpa armigera Hubner

RB Ambad, Md. Ilyas, DU Gosavi and SS Ajabe

A field experiment was conducted with the Efficacy of Different Plant Extract Against Sorghumstem borer, Chilo partellus and Ear head caterpillar Helicoverpa armigera Hubner. In Kharif season 2018 at Sorghum Research Station, VNMKV Parbhani (MS) India. The treatment T6 [Azadirachta indica (Neem) leaf extract @ 5%] recorded the lowest stem borer dead hearts followed by T8 [Azadirachta indica (Neem) seed extract @ 5%], T1 [Lantana camara (Ghaneri) leaf extract @ 5%] and T7 [Ricinum communis (castor) seed extract @ 5%] also found effective for the management of stem borer. Among Treatment T11 [Cypermethrin 25EC @ 3ml/10 lit of water] was the most effective for stem borer. T11 [Cypermethrin 25EC @ 3ml/10 lit of water] at milking stage recorded the lowest ear head worm population (0.66 ear head worm/5 cob). However in case of biorationals treatment T6 [Azadirachta indica (Neem) leaf extract @ 5%] at milking stage recorded the lowest ear head worm population (1.02 ear head worm/5 cob). The next best treatment were T2 [Annona squamosa (custard) leaf extract @ 5%] at milk stage (1.14 ear head worm/5 cob), T9 [Dashparni ark @ 5%] (1.13 ear head worm/5 cob), and T8 [Azadirachta indica (Neem) seed extract @ 5%] (1.29 ear head worm/5 cob) respectively.
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Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
RB Ambad, Md. Ilyas, DU Gosavi, SS Ajabe. Studies on efficacy of biorationals on sorghum stem borer, Chilo partellus and Ear head caterpillar Helicoverpa armigera Hubner. J Entomol Zool Stud 2019;7(5):593-596.

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