Effect of Sowing Dates on Relative Abundance of Potential Predators of Mustard Aphid, Lipaphis erysimi (Kaltenbach).

Effect of Sowing Dates on Relative Abundance of Potential Predators of Mustard Aphid, Lipaphis erysimi (Kaltenbach).

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..