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Irrigation Timing for Bollworm Management in Cotton

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Abstract:

Irrigations were timed, with the aid of an Heliothis forecasting computer model, to occur before, during, and after peak ovipositional activity by Heliothis zea (Boddie). In stressed cotton, irrigations applied during peak ovipositional activity resulted in an increase in the number of eggs laid. In non stressed cotton, larval survival was increased when irrigations were applied during peak egg deposition. Boll worm hazard in cotton can be reduced effectively by not irrigating during the 7–10 day period before and 3–4 days after peak oviposition.

Document Type: Research Article

Publication date: April 1, 1980

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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