Field efficacy of a novel ready-mix molecule Novaluron (5.25% SC) + Emamectin (0.9% SC) against Diamondback moth (Plutella xylostella L.) on cabbage (Brassica oleracea var. Capitata)
2019
Field efficacy of different Novaluron (5.25% SC) + Emamectin (0.9% SC) treatment schedules was assessed against diamondback moth on cabbage during rabi season in 2014-15 at “In Check Farm”, C-Block, B.C.K.V., Kalyani, Nadia, West Bengal. After three rounds of sprays, Novaluron (5.25% SC) + Emamectin (0.9%SC) @925ml/ha registered 93.10% mortality followed by Novaluron 10%SC@ 750ml/ha and Novaluron (5.25% SC) + Emamectin (0.9% SC) @875ml/ha with 87.01% mortality and 81.18% mortality respectively. Highest yield (18.33t/ha that was 30.95% increase over control) was recorded in Novaluron (5.25% SC) + Emamectin (0.9% SC) @925ml/ha followed by Novaluron 10% SC@ 750ml/ha (17.67t/ha) and Novaluron (5.25% SC) + Emamectin (0.9% SC) @ 875ml/ha (16.67t/ha). Hence Novaluron (5.25% SC) + Emamectin (0.9% SC) @925ml/ha was found to be most effective in reducing population of diamondback moth on cabbage and also gave the highest cost: benefit ratio.
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