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2014•Annals of Plant Protection SciencesRequires access

Bio-efficacy of insecticides and bio-pesticides against pod borer and jassids on Cowpea, Vigna uniguiculata (L.) Walp.

Sandeep Kumar, Sundar Pal, Gore Lal, Dharmendra Kumar Singh, Ram Singh Umrao

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Abstract

All the treatments were most effective after first spray followed by second spray except Bt. var kurstaki against the pod borer only. The highest population reduction was recorded from imidacloprid 17.8SL @ 0.003% treated plots followed by fipronil 5 SL @ 0.01%, acetamiprid 20SP @ 0.004%, azadirachtin 1500ppm @ 0.15% and Bt. var kurstaki 1500ppm @ 0.1% against the jassid and pod borer in cowpea. The highest seed yield (1291.67 kg. ha−1) and cost benefit ratio (1: 10.37) was obtained from imidacloprid treatment.

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What this paper is about

All the treatments were most effective after first spray followed by second spray except Bt. var kurstaki against the pod borer only. The highest population reduction was recorded from imidacloprid 17.8SL @ 0.003% treated plots followed by fipronil 5 SL @ 0.01%, acetamiprid 20SP @ 0.004%, azadirachtin 1500ppm @ 0.15% and Bt. var kurstaki 1500ppm @ 0.1% against the jassid and pod borer in cowpea. The highest seed yield (1291.67 kg. ha−1) and cost benefit ratio (1: 10.37) was obtained from imidacloprid treatment.

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Available abstract

All the treatments were most effective after first spray followed by second spray except Bt. var kurstaki against the pod borer only. The highest population reduction was recorded from imidacloprid 17.8SL @ 0.003% treated plots followed by fipronil 5 SL @ 0.01%, acetamiprid 20SP @ 0.004%, azadirachtin 1500ppm @ 0.15% and Bt. var kurstaki 1500ppm @ 0.1% against the jassid and pod borer in cowpea. The highest seed yield (1291.67 kg. ha−1) and cost benefit ratio (1: 10.37) was obtained from imidacloprid treatment.

Key concepts: Imidacloprid, Vigna, Fipronil, Acetamiprid, Forensic science, Toxicology, Azadirachtin, Point of delivery

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Bio-efficacy of insecticides and bio-pesticides against pod borer and jassids on Cowpea, Vigna uniguiculata (L.) Walp. — Research Paper | ScholarLens