BIO-EFFICACY OF CERTAIN NEWER INSECTICIDES ALONG WITH VERTICILLIUM LECANII AGAINST LADY BIRD BEETLE IN OKRA (ABELMOSCHUS ESCULENTUS)S. S. Khating and G. B. Kabre
Studies on the bioefficacy of certain newer insecticides along withVerticillium lecanii against lady bird beetle in okra were undertaken at field of Department of Agricultural Entomology, College of Agriculture, Dhule during Kharif 2015. The average number of lady bird beetle population after each of the three application of it is evident that V. lecanii @ 2.5 kg/ha was the safest to the lady bird beetles compared to the rest of treatment recording significantly less number of lady bird beetles at first, second and third round of application. The treatment insecticide followed by V. lecanii viz. thiamethoxam - V. lecanii - thiamethoxam@ 280 g a.i./ha, thiacloprid - V. lecanii- thiacloprid@ 54 g a.i./ha, acephate- V. lecanii- acephate@ 500 g a.i./ha, acetamipride -V. lecanii- acetamipride@ 15 g a.i./ha and diafenthiuron -V. lecanii-diafenthiuron@ 300 g a.i./ha have been found less toxic to lady bird beetles as compare to insecticides alone. High (12.61) lady bird population was observed in untreated control and low lady bird beetle population was found in only insecticidal treatment acephate 75% SP @ 500 g a.i./ha and found to be highly toxic to lady bird beetles in the field of okra.
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