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The incldence and losses caused by pink bollworm and other pests on cotton yield in northeast Brazil



The incldence and losses caused by pink bollworm and other pests on cotton yield in northeast Brazil



Pl. Prol. Bull. F.A.O 14(4): 80-85



A survey of losses attributable to each of the principal insect pests of cotton in north-eastern Brazil was begun in 1964 as part of a programme for cotton improvement in that area, where an estimated 40-60%. of the potential yield is at present lost as a result of insect attack.

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