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Research Article Open Access
Integrated pest management (IPM) module was evaluated in transgenic Bt cotton during kharif seasons of 2013–14 and 2014–15 at Regional Agricultural Research Station, Warangal, Telangana state. The IPM module comprising of Jowar as border crop, Castor as trap crop, Greengram as intercrop, installation of pheromone and yellow sticky traps, stem application with Monocrotophos: Water in 1:4 ratio and use of need based insecticides, viz., monocrotophos 36 SL, buprofezin or fipronil 5 SC was compared with farmers’ practice and untreated control in Bt cotton. The results indicated that mean number of aphids, jassids, thrips and whitefly were more in untreated control as compared to IPM and farmers’ practice during 2013 and 2014. Adoption of IPM strategies effectively contained population build up of thrips and maintained higher population of spiders and coccinellids than farmers’ practice. Due to frequent interventions of insecticidal sprays in farmers’ practice, incidence of aphids and jassids was lowest in farmers’ practice than IPM. However, adoption of IPM has resulted in higher B: C ratio than farmers’ practice and control.
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Author(s): B. Ram Prasad* and S. Malathi
Evaluation, IPM, Bt cotton, Plant and environmental sciences