author(s)
Anirban Sakar, Moumita Chakraborty, Lakshman Chandra Patel and Anjan Kumar Nayak

abstract
An experiment was conducted at ‘C’ unit Farm, BCKV, Kalyani, West Bengal on okra to study the Bio-efficacy of Flubendiamide 90% + Deltamethrin 60% w/v against the Fruit Borer and its effect on naural enemies during the pre kharif season of 2017 & 2018. Three doses of Flubendiamide 90% + Deltamethrin 60% SC @ 250, 300 and 400 ml/ha along with some other insecticides were sprayed to work out their efficacy against this menace of okra. The effect of various doses of Flubendiamide 90% + Deltamethrin 60% SC along with other chemical treatments on natural enemies was also studied. The study revealed that Flubendiamide 90% + Deltamethrin 60% SC @ 400 ml/ha was the most effective for controlling fruit borer and recorded the highest yield during both year. The application of Flubendiamide 90% + Deltamethrin 60% SC has no adverse effects on natural enemies. Hence could be suggested to control its infestation in okra crop.