Vol. 12, Issue 3 (2023)

Author(s):
Sayali A Nirgude, Sanjay D Patil and Nitin V Parjane

Abstract:
The present investigation was carried out at Biocontrol Laboratory, Agricultural Entomology Section, College of Agriculture, Dhule during Jan 2018 to Dec 2018. The pure culture of Beauveria bassiana was maintained at Agricultural Entomology Section, College of Agriculture, Dhule on PDA slants. The compatibility of nineteen pesticides were evaluated by employing ‘Poisoned food technique’ and their effect on growth characteristic of Beauveria bassiana was studied. All the insecticidal treatments were recorded reduction in vegetative growth of B. bassiana. Among all the tested insecticide, the treatment with thiamethoxam recorded the highest vegetative growth of B. bassiana followed by imidacloprid indicating their compatibility with B. bassiana. Among the tested fungicides all three viz., carbendazim, copper oxychloride and propiconazole did not showed any vegetative growth of B. bassiana. The rest of the insecticidal treatments in descending order are thiamethoxam 25% WG - imidacloprid 17.8% SL - fipronil 5% SC - emamectin benzoate 5% SG - spiromesifen 22.9% SC - flubendamide 39.35% SC - Azadirachtin 3000 ppm - spinosad 45% SC- clorantraniliprole 18.5% SL - lambdacyhalothrin 5% EC - deltamethrin 2.8% EC - flupyridifurone 17.09% - acetamiprid 20% SP - diafenthiuron 50% WP- flonicamid 50% WG - triazophos 40% EC.