Vol. 12, Issue 12 (2023)

Author(s):
Shinde TB, Mahajan SB, Ambhure SD and Bhite AT

Abstract:
An in vitro compatibility studies were conducted with Verticillium lecanii and some commonly used chemical pesticides. The experiment was laid out in Completely Randomized Design (CRD) with four replications and seven treatments of fungicides, seven treatments of herbicides and seven treatments of insecticides on biocontrol agents Verticillium lecanii. In case of Verticillium lecanii, among the fungicides, copper oxychloride and ametoctradin + diamethomorph, were proved moderately toxic while, carbendazim + mancozeb, azoxystrobin + tebuconazole, thiophenate methyl and captan, were proved totally incompatible. Among the herbicides, only one herbicide, carfentrazone ethyl, was found compatible and fomesafen + flauzifop-p-butyl and metribuzin were found slightly toxic. Glyphosate and oxyflourofen were proved moderately toxic and sulfentrazone + clomazone, was totally incompatible. Among the insecticides, chlorantraniliprole, spinosad and emamectin benzoate were found compatible and acetamiprid, imidachloprid and thiamethoxam + lambda cyhalothrin were found slightly toxic. Some chemical pesticides do not affect the growth and development of biocontrol agents. The combination of such chemical pesticides with biocontrol agents can provide an additive or synergistic effect in the control of diseases and pests. These chemical pesticides and biocontrol agents can be used in an integrated pest management programmer.