Evaluation of an insect growth regulator buprofezin 70 DF for eco-friendly management of rice brown planthopper, Nilaparvata lugens (Stal)

Abstract

Studies on bio-efficacy of new formulation of buprofezin 70% DF was conducted during kharif 2014-15 and 2015-16 for two years at Krishi Vigyan Kendra, Gangavathi and the results revealed that, buprofezin 70% DF @ 175g a.i/ha was optimum to manage BPH incidence effectively up to 15 days after spraying and found on par with buprofezin 25%SC @ 200g a.i/ha and superior over Ace hate 75%SP @ 750g a.i/ha. Buprofezin 70%DF found non phytotoxic to rice crop. As the new formulation is dry flow able form the dosage per liter is less compared to old formulation and it has fine particle size giving good coverage.