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Seedcorn Maggot (Diptera: Anthomyiidae) Emergence in Conventional and Reduced-Tillage Soybean Systems in Iowa

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Absolute population estimates, based on emergence trapping, were made for Hylemya platura (Meigen) during germination in four typical Iowa soybean tillage systems (fall moldboard-plow, fall chisel-plow, till-plant, and no-tillage). The emergence trapping method gave acceptable levels of precision for an intensive sampling program. Although significant differences in emergence were found between tillage systems, numbers of seedcorn maggots present were not a serious problem in any system. Emergence was greatest in the fall chisel-plow system, followed by the till-plant system. Emergence in the no-till and fall moldboard-plow system was similar. Comparisons of emergence between within row and between-row areas in these systems suggested that germinating soybeans were not attractive for oviposition under field conditions. Surface corn residue and soil moisture were not significant factors influencing oviposition and development.

Document Type: Research Article

Publication date: February 1, 1983

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  • 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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