Department of Horticulture, Punjab Agricultural, University, Ludhiana
Four insecticides viz. monocrotophos at 0.02 per cent, 0.03 per cent and 0.04 per cent, dimethoate and oxydemeton-methyl at 0.03 per cent, 0.04 per cent and 0.05 per cent were tested against citrus psylla nymphs. Monocrotophos 0.04 per cent gave the best results in controlling the pest.
