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2020•Pesticide Research JournalRequires access

Bio-efficacy of some newer insecticides against Aphis gossypii and Amrasca biguttula biguttula infesting bt cotton

R Nihal, Suvash Ch. Bala

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Abstract

Results of field experiments conducted at Kalyani, Nadia, West Bengal during Rabi seasons of 2016-2017 and 2017-18 with some newer insecticides against cotton aphid and jassid are reported. Imidacloprid 17 per cent SL @ 150 mL ha-1 and diafenthiuron + acetamiprid @ 600 g ha-1 were significantly superior in controlling cotton aphid and recorded 95.00 and 93.97 per cent mortality respectively at 3 d after spraying. Diafenthiuron+ acetamiprid @ 500 and 600 g ha-1 was significantly superior in controlling cotton jassid, recording 91.46 and 92.73 per cent mortality respectively at 3 d after spraying.

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What this paper is about

Results of field experiments conducted at Kalyani, Nadia, West Bengal during Rabi seasons of 2016-2017 and 2017-18 with some newer insecticides against cotton aphid and jassid are reported. Imidacloprid 17 per cent SL @ 150 mL ha-1 and diafenthiuron + acetamiprid @ 600 g ha-1 were significantly superior in controlling cotton aphid and recorded 95.00 and 93.97 per cent mortality respectively at 3 d after spraying. Diafenthiuron+ acetamiprid @ 500 and 600 g ha-1 was significantly superior in controlling cotton jassid, recording 91.46 and 92.73 per cent mortality respectively at 3 d after spraying.

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Available abstract

Results of field experiments conducted at Kalyani, Nadia, West Bengal during Rabi seasons of 2016-2017 and 2017-18 with some newer insecticides against cotton aphid and jassid are reported. Imidacloprid 17 per cent SL @ 150 mL ha-1 and diafenthiuron + acetamiprid @ 600 g ha-1 were significantly superior in controlling cotton aphid and recorded 95.00 and 93.97 per cent mortality respectively at 3 d after spraying. Diafenthiuron+ acetamiprid @ 500 and 600 g ha-1 was significantly superior in controlling cotton jassid, recording 91.46 and 92.73 per cent mortality respectively at 3 d after spraying.

Key concepts: Aphis gossypii, Acetamiprid, Toxicology, Imidacloprid, Aphid, West bengal, Forensic science, Medicine

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Bio-efficacy of some newer insecticides against Aphis gossypii and Amrasca biguttula biguttula infesting bt cotton — Research Paper | ScholarLens