Bio-efficacy of different insecticides against brown planthopper, Nilaparvata lugens (Stal.) (Hemiptera: Delphacidae) on rice in Raipur, Chhattisgarh

Abstract

The present experiment in field condition was carried out to evaluate the efficacy of different insecticides against, Nilaparvata lugens (Stal.) on rice was conducted at the Research cum Instructional Farm Department of Agronomy, Indira Gandhi Krishi Vishwavidyalaya, Raipur (C.G.) during Kharif 2016-17. The result revealed that, the insecticides Buprofezin 25% SC @ 800 ml/ha were highly effective against brown plant hoppers population followed by Imidacloprid 17.1% w/w SL @ 300 ml/ha, Imidacloprid 17.1% w/w SL @ 250 ml/ha, Thiamethoxam 25% WG @ 100 g/ha, Confidor 200 SL (Imidacloprid 17.8% w/w SL) @ 125 ml/ha and Imidacloprid 17.1% w/w SL @ 200 ml/ha were found effective in reduction of BPH, respectively.