Efficacy of different chemical insecticides and biopesticides against Helicoverpa armigera and Earias vittella of okra, Abelmoschus esculentus (L.) Moench in western plain zone of U

Abstract

The present investigation was carried out on the efficacy of different chemical insecticides and biopesticides against Helicoverpa armigera and Earias vittella of okra, in Western Plain Zone of U.P. in randomized block design with three replications and nine treatments at Horticulture Research Centre of Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut. The shoot and fruit borer (Earias vittella) and fruit borer (Helicoverpa armigera) was recorded as major pest. All the treatments were found to be superior over untreated control. The results indicated that flubendiamide 0.0144% @ 60 g a.i./ha which was found to be most effective in managing the fruit borer, shoot and fruit borer infestation on okra followed by indoxacarb 14.05 SC @ 0.007% and the least effective were neem oil 1500 ppm @2.5ml/L and Beauveria bassiana CFU 2×109 @2 g/L respectively.