Kumar, N.S.Murugan, K.2014-11-122014-11-121998Tropical Agricultural Research, 10:p.324-333https://dl.nsf.gov.lk/handle/1/12234AgricultureNuclear polyhedrosis virusAzadirachtinIntegrated pest managementHelicoverpa armigera HubnerAmerican bollwormGram caterpillarBiological pest controlPlant protectionPotential enhancement of nuclear polyhedrosis virus by azadirachtin and its effects on the food utilization,development and mortality of Helicoverpa armigera HubnerA