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Control of fruitfly of bitter gourd using synthetic pyrethroids



Control of fruitfly of bitter gourd using synthetic pyrethroids



Entomon 11(4): 269-272



In a field experiment conducted at the College of Agriculture, Vellayani, Karala [India], during the summer in 1982, the synthetic pyrethroids permethrin, fenvalerate and cypermethrin each at 100 g ai/ha and deltamethrin at 15 g ai/ha gave significantly better control of infestation by the melon fruitfly Dacus curcurbitae Coq on bitter gourd, than malathion at 500 g ai/ha when the crop was sprayed with the insecticides thrice on need basis. All the insecticides controlled the fruitfly upto 16 days after spraying. The insecticides had no effect on the flower formation and fruit set.

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Accession: 001554527

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