Pharmacognosy

Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 6, Issue 5 (2017)

Comparative bioefficacy of selected chemical insecticides and bio-rationals against shoot and fruit borer [Earias vittella (Fabricius)] on okra [Abelmoschus esculentus (L.) Moench]

Author(s): Sachin Harilal Pachole, Sasya Thakur and Sobita Simon
Abstract:
The field trial was conducted at the Central field, Department of entomology SHUATS, Allahabad during Kharif from August to November 2016 investigation entitled “Comparative bioefficacy of selected chemical insecticides and Biorationals against shoot and fruit borer, [Earias vittella (Fabricius)] of okra. Seven treatments were evaluated against Earias vittella i.e., T1 Spinosad 45% SC@ 0.05%, T2 Imidacloprid 17.8% SL@ 0.3 ml/l, T4 Neemoil@3%, T3 Verticilium lecanii, T5 Beauveria bassiana, T6 NSKE 5%, T7 Neem leaf extract 5% were evaluated against shoot and fruit borer, Earias vittella. The best and most economical treatment was T1 spinosad 45 SC (1:5.92), followed by T2 (1:4.87), T3 (1:4.40), T4 (1:4.65), T5 (1:4.28), T6 (1:3.84), T7 (1:3.15), as compared to control T0 (1:2.31). Spinosad 45SC, Imidacloprid 17.8 % SL, Beauveria bassiana, and Neem oil recorded the minimum shoot infestation by 5.01, 9.89, 11.40 and 11.85 percent respectively. In fruit infestation Spinosad 45 % SC, Imidacloprid 17.8 % SL, Beauveria bassiana, and neem oil recorded by 7.03, 9.00, 11.77 and 12.99 percent, respectively. The highest yield was noticed in Spinosad 45SC (197.22 q/ha) and Imidacloprid 17.8% SL (156.25 q/ha).
Pages: 1493-1495  |  1219 Views  7 Downloads
How to cite this article:
Sachin Harilal Pachole, Sasya Thakur, Sobita Simon. Comparative bioefficacy of selected chemical insecticides and bio-rationals against shoot and fruit borer [Earias vittella (Fabricius)] on okra [Abelmoschus esculentus (L.) Moench]. J Pharmacogn Phytochem 2017;6(5):1493-1495.
Journal of Pharmacognosy and Phytochemistry