EFFECT OF INSECTICIDAL SPRAYS ON POPULATION OF NATURAL ENEMIES IN LABLAB BEAN ECOSYSTEM.

The present investigation was carried out to study the effect of insecticidal spray on population of natural enemies in lablab bean ecosystem during Rabi season of 2017-18 and 2018-19 at Botany farm, College of Agriculture, Dapoli. The results indicated that the mean population of coccinellids during both the years was highest (13.37) coccinellids population plant^-1 recorded in treatment T₉ (Control water spray) which was significantly superior over rest of the treatments. The mean population of mirid bugs during both the years was revealed that the highest (11.33) mirid bug population plant^-1 recorded in treatment T₉ (Control water spray), which was significantly superior over the rest of the treatments and at par with treatment T₂ (Azadirachtin 10,000 ppm) recorded 9.87 mirid bugs plant^-1. The mean population of spiders and syrphids during both the years was revealed that the highest (18.97) spider population plant^-1 and (12.33) syrphids plant^-1 recorded in treatment T₉ (Control water spray), which was significantly superior over rest of the treatments. [ABSTRACT FROM AUTHOR]