Timing the Spray Applications by the Emergence of the Codling Moth

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In the control of the codling moth (Carpocapsa pomonella) it is important that the spray applications be timed so that there will be a maximum of fresh spray coverage on the fruit and foliage when there is a maximum of worms entering the fruit. In Missouri we are using breeding cages and bait traps to follow moth and worm development through the spring, summer and early fall, and are timing the spray applications by actual moth emergence. Results show that equal or better control can be secured with from one to three fewer applications if they are timed to best advantage. Time-to-spray recommendations are received by every apple grower in the state.

Document Type: Research Article

Publication date: August 1, 1932

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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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