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A laboratory method for evaluating granular pesticides against the pink bollworm, Pectinophora gossypiella (Saund.)


, : A laboratory method for evaluating granular pesticides against the pink bollworm, Pectinophora gossypiella (Saund.). Bulletin of the Entomological Society of Egypt, Economic Series77 1981; (10): 99-104

Sixteen granular insecticides were evaluated against Pectinophora gossypiella (Saund.) in the laboratory in Egypt. The initial biological activity of the tested compounds was assessed using a new procedure approximating the natural distribution of the spring generation of the insect on or in the soil. At a rate of 1.0 kg a.i./feddan, all the compounds tested were ineffective against 5th-instar larvae and did not differ significantly in their activity.

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