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Efficacy of insecticides for the control of bollworms in cotton



Efficacy of insecticides for the control of bollworms in cotton



Indian Journal of Entomologyrecd 45(4): 342-344



Field trials were carried out in Delhi, India, in 1976-78 to determine the effectiveness of 14 insecticidal treatments against Earias vittella, E. insulana, Pectinophora gossypiella and Heliothis armigera on cotton. In 1977, when the pests were most abundant, the minimum incidence (58.8%) on green bolls was recorded in the plot treated with leptophos and on open bolls, in the plot treated with carbaryl (34.3).

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