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Analysis of Populations of the BoIl Weevil1 in One Acre of Cotton at Florence, South Carolina, in 1957-592

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Input of bioclimatological factors (cumulative number of degree-days above 55°F, mean and minimum relative humidities, cumulative number of rainy days, and cumulative rainfall) in 1 acre of cotton at florence from 1957 to 1959, were linear in time during the 3 years. The deviations from the linear inputs provide an interpretive backgound for analyzing major changes in populations of Anthonomus grandis Boheman. Varying numbers of overwintering weevils in the climatic regimes of the 3 years resulted in population increases dependent upon the climatic inputs. Damage was poorly correlated with the number of adult weevils. Late-season migration was triggered by lack of oviposition sites in cotton squares.

Document Type: Research Article

Publication date: October 1, 1970

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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