Evaluation of Insecticides against Mirid Bug, Poppiocapsidea (= Creontiades) biseratense (Distant) on Bt Cotton
2014
Prakash, | Bheemanna, M.
For evaluation of different insecticides and botanicals against mirid bug, a field experiment was laid out in a randomized block design (RBD) at Main Agricultural Research Station, Raichur during 2011–12 Kharif season with 11 treatments including an untreated control with three replications. The efficacy of different synthetic and neem based insecticide with and without salt against mirid bug, (Poppiocapsidea biseratense) recorded a day before, one, three, seven and 10 days after each spraying. Results revealed that Among the different insecticides evaluated for their efficacy against P. biseratense, fipronil 5 SC+1 percent salt at 50 g a.i./ha, acephate 75 SP +1 per cent salt at 750 g a.i./ha, profenophos 50 EC +1 per cent salt at 1000 g a.i./ha, were found to be superior over other chemicals in reducing the mirid bug population and recorded higher seed cotton yield. Insecticides viz., fipronil 5 SC, acephate 75 SP, profenophos 50 EC were on par with each other. Whereas, neemguard at 51 g a i./ha and thiodicarb 75 SP at 750 g a.i./ha were less effective against mirid bug.
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