EFFICACY OF QUINALPHOS 35 EC AGAINST DIAMONDBACK MOTH,Plutella xylostella (LINN.) IN CAULIFLOWER

摘要

Field experiment conducted on relative efficacy of quinalphos 35 EC against Diamondback moth, Plutella xylostella (Linn.) in Cauliflower during 2007-08 at the experimental farm of Entomology Section (Insectary), College of Agriculture, Nagpur during Rabi season, reveals that the results revealed that, the recommended insecticide quinalphos 0.05% offered maximum per cent mean reduction in the larval population to the extent of 73.79 per cent followed by Trichogrammatoidea bactrae @ 1.5 lakh eggs/ha, Bacillus thuringiensis @ 1000 ml/ha, T. chilonis @ 1.5 lakh eggs/ha, registering per cent mean larval population reduction to the tune of 52.19, 50.41 and 45.22 respectively. It is concluded that quinalphos 0.05% still effective as recommended for the management of Diamondback moth.