摘要：The effect of neem cake, insecticides and Trichoderma viride on the infestation of stem weevil Pempherulus
affinis (Faust) and incidence of dry root rot Macrophomina phaseolina (Tassi) Goid of cotton was studied.
Seed treatment (10 ml/kg) and spray drench with chlorpyriphos 20 EC @ 2.5 ml/lit (15, 30, 45, 60 days after
sowing -DAS) combined with soil application of Trichoderma viride (2.5 kg/ha) on 20 DAS were found to be
effective in registering the minimum infestation of stem weevil and root rot and maximum seed cotton yield.
