Department of Entomology, College of Agriculture, O.U.A.T, Bhubaneswar-751003, Orissa
Four insecticides including a new molecule UPI-206 (flonicamid 50 WG) @ 50, 75 and 150g a.i./ha, imidacloprid 17.8%SL, thiamethoxam 25% WG both @ 25g a.i./ha and clothianidin 50%WDG @ 12.5g a.i./ha were field screened against the brown planthopper, Nilaparvata lugens (Stal.) (BPH) infesting rice during kharif 2007 and summer 2008 at the Central Research farm, Orissa University of Agriculture and Technology, Bhubaneswar transplanting rice c,v. Lalat. Significantly low BPH population (1.40–1.30/hill) was observed with the new molecule UPI-206 (flonicamid 50 WG) @ 150 g a.i./ha with a reduction of 88.73 and 90.30% over untreated control during kharif, 2007 and summer 2008, respectively.
Brown planthopper, Nilaparvata lugens, management, novel insecticides