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Insecticides for the control of the cotton weevil, Anthonomus grandis Boheman, and of the pink bollworm, Pectinophora gossypiella (Saund.)



Insecticides for the control of the cotton weevil, Anthonomus grandis Boheman, and of the pink bollworm, Pectinophora gossypiella (Saund.)



Ecossistema 18: 101-107



Cypermethrin 30 ED at 8.3 g a.i., diazinon 600 CE at 625.2 and 437.4 g a.i., fenvalerate 75 CE at 93.7 g a.i., prothiofos 500 CE at 416.5 g a.i. and deltamethrin 50 SC at 5.2 g a.i./ha were applied at 41, 46, 51, 60, 65 and 69 days after plant emergence and compared for the control of the curculionid Anthonomus grandis and the gelechiid Pectinophora gossypiella attacking cotton CNPA-Precoce 1 in Ceara, Brazil, in 1990. Deltamethrin and cypermethrin were effective against the gelechiid.

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Related references

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