Efficacy of Entomopathogenic Fungi Against Whiteflies on Okra

摘要

The field experiment was conducted during Kharif season of 2013 to study the Efficacy of Entomopathogenic fungi against ivhiteflies on okra. During the course of present investigation, three entomopathogenic fungi were tested for their effect at various combinations with each other at same concentrations and compared with chemical insecticide dimethoate 30EC, with a view to find out most effective treatment (s) on Whiteflies on okra. The experiment was conducted at P.G. Research Farm ofAgril. Entomology Department, Mahatma Phule Krishi Vidyapeeth, Rahuri. The influence of different biopesticides and their combinations on Whiteflies was studied during the investigation. Thus, the results indicated that combination of entomopathogenic fungi as B. bassiana 1.15 % WP + V. lecanii 1.15 % WP was the most effective treatment as compared to standard check dimethoate for suppression of whiteflies population on okra.