Eco-Friendly Management of H. armigera (Hübner) Infesting Pigeonpea - Khanpara, A. V.
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Among various insect-pests attacking pigeonpea, H. armigera (Hübner) Hardwick is a cosmopolitan and highly polyphagous insect and is the major biotic constraint. In Asia, H. armigera has developed high levels of resistance to organochlorine, organophosphates and synthetic pyrethroids. The trends also highlight the need for safe and effective management strategies for H. armigera, given impetus to the development and use of alternative and has less negative impact on beneficial organisms than conventional insecticides. At present, alternative is the biopesticides for its eco-friendly…mehr

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Produktbeschreibung
Among various insect-pests attacking pigeonpea, H. armigera (Hübner) Hardwick is a cosmopolitan and highly polyphagous insect and is the major biotic constraint. In Asia, H. armigera has developed high levels of resistance to organochlorine, organophosphates and synthetic pyrethroids. The trends also highlight the need for safe and effective management strategies for H. armigera, given impetus to the development and use of alternative and has less negative impact on beneficial organisms than conventional insecticides. At present, alternative is the biopesticides for its eco-friendly management. The effectiveness and economics of different treatments Bt @ 1.0 kg/ha and Bb @ 1.5 kg/ha along with half dose of endosulfan 0.035 per cent per cent were found as effective as the recommended synthetic insecticides for the eco-friendly management. The persistence of B. thuringiensis @ 2.0 kg/ha and B. bassiana @ 3.0 kg/ha became half within 3 days and caused the mortality in H. armigera larvae up to 7 and 11 days, respectively. Both the application methods (spraying and irrigation) of Bb proved to be equally effective in affecting the post-development of Helicoverpa larvae.
Autorenporträt
Dr Alpesh V. Khanpara pracuje jako wyk¿adowca na Uniwersytecie Rolniczym w Junagadh od 5 lat. Opublikowä 12 artyku¿ów badawczych na poziomie krajowym i mi¿dzynarodowym. Brä udziä w ró¿nych seminariach i konferencjach oraz prezentowä artyku¿y badawcze. Jest cz¿onkiem ¿yciowym Gujarat Association of Agricultural Sciences.