Dissipation of Flubendiamide on Okra (Abelmoschus esculentus L.)

Evaluation of efficacy of six insecticides viz., bifenthrin 10 EC at 80 g a.i. ha⁻¹, fipronil 5 SC at 500 g a.i. ha⁻¹, flubendiamide 480 SC at 60 g a.i. ha⁻¹, quinalphos 25 EC at 350 g a.i. ha⁻¹, profenofos 50 EC at 400 g a.i. ha⁻¹ and beta-cyfluthrin 25 SC at 18.75 g a.i. ha⁻¹ against shoot and fruit borer (Earias vittella Fabricius) and white fly Bemisia tabaci (Gennadius) on okra revealed that flubendiamide @ 60 g a.i. ha⁻¹, applied twiceas foliar spray, was the most effective. Its dissipation pattern, revealed initial deposit of 1.49 mg kg⁻¹ which dissipated by 98.88% by 7^th day and reached below detectable level (BDL) by 10^th day with half life of 1.83 days.