Efficacy of systemic insecticides as stem application against sucking pests of cotton

Abstract

A field experiment was conducted at Experimental Farm, Department of Agricultural Entomology, College of Agriculture, MAU, Parbhani, during the year 2009-2010 to study the effect of stem application of insecticides against sucking pests of cotton. Stem application of acephate at 3, 7, 14 days after insecticides application and on the basis of overall efficacy proved most effective against aphids (4.18/leaf), jassids (1.48/leaf), thrips (2.63/leaf) and whiteflies (2.63/leaf). The treatment with clothianidin @ 1:30 dilution proved most effective on aphid (4.91/leaf) and jassids (1.68/leaf). The treatment with dimethoate @ 1:6 dilution effective against aphid (6.03/leaf), jassids (2.10/leaf) and thrips (3.80/leaf).