1Department of Entomology, College of Agriculture, S V P University of Agriculture and Technology, Meerut, 250 110, India
Department of Plant Protection, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, 202 002, India
*Corresponding author email: hemsingh1972@yahoo.com
Predators play an important role in containing the mustard aphid population. Present paper deals with their conservation by making minimum use of chemicals. With progressive delay in sowing of the mustard crop, their population got changed with respect to the aphid population index and abiotic factors.
Lipaphis erysimi, Coccinella septempunctata, Ischiodon scutellaris, aphids, abiotic
