B GEETHA, S R VENKATACHALAM and P DURAIMURUGAN (2020) “Evaluation of field efficacy of microbial and chemical insecticides for the management of defoliator pests in castor: EVALUATION OF FIELD EFFICACY OF MICROBIAL AND CHEMICAL INSECTICIDES IN CASTOR”, Journal of Oilseeds Research, 37(4). doi:10.56739/jor.v37i4.136771.