Bio-efficacy trials of carbofuran 3% CG against insect pests of Rice

The present investigation was conducted in kharif 2017 at BCKV Teaching Farm, Mandouri, Nadia, West Bengal, to evaluate the efficacy insecticide, viz., Carbofuran 3% CG at different doze rates, Fipronil 0.3% GR, Carbosulfan 25% EC and Cartap Hydrochloride 4% GR against yellow stem borer, Scirpophaga incertulas and Rice leaf folder, Cnaphalocrosis medinalis infesting rice. The pooled data on efficacy of different treatment schedules of Carbofuran 3% CG against major insect pests of Rice i.e. stem borer and Leaf folder. All the treated plots provided significant reduction of pest infestation along with significant yield increase but the best protection was obtained from the plots treated with Carbofuran 3% CG @ 100kg/ha followed by Carbofuran 3% CG @ 50kg/ha & Carbofuran 3% CG @ 25 kg/ha. All the treatments were on par with each other and significantly superior over the other comparative treatments and untreated control regarding pest control.