Abstract
Castor is attacked by several sucking pests. Among them, whitefly, Trialeurodes ricini is the major pest duringrabi season resulting in extensive losses in the yield. A field trial was conducted to evaluate the bio-efficacy of seven newer insecticides for the management of whitefly. After two rounds of spraying, the pooled mean population of whiteflies was lowest in the treatment profenophos 50EC @ 2 ml/l followed by buprofezin 25SC @ 1.5 ml/l. Reduction of whitefly population over control indicated that buprofezin 25SC @ 1.5 ml/l reduced the whiteflies population up to 71.2% followed by profenophos 50EC @ 2 ml/l (67.5% reduction over control).
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