The boll weevil in Missouri : history, biology and management (1995)
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"The cotton boll weevil, Anthonomus grandis grandis, is the most important pest of cotton in much of America's Cotton Belt. Its importance is due not only to the considerable damage it does but also to its disruption of management programs that target other pests. High numbers of boll weevils can cause you to apply insecticide repeatedly during the growing season because the boll weevil goes through several overlapping generations during every crop season, reproduces quickly, moves often and can be controlled with insecticides only during its adult stage. Applying insecticides can reduce populations of organisms that regulate the populations of other cotton pests, such as aphids, plant bugs and the boll-worm complex. The presence of significant boll weevil populations dictates, to some extent, the management of other pests."--Introduction.
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Provided for historical documentation only. Check Missouri Extension and Agricultural Experiment Station websites for current information.