Laboratory Evaluation of Some Synthetic Pyrethroids and Other Insecticides Against Lip Aphis Erysimi (Kaltenbacu)

Department of Entomology, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar, Dist. Nainital (U.P.)

*Present address: Horticultural Experiment and Training Centre, Basti (U.P.)