Insect Injury to Sour Cherries in the Absence of Insecticide Sprays

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Abstract:

The effect of insect populations on sour cherries in the absence of insecticide sprays was studied in a Montmorency cherry orchard from 1959 through 1962. Fruit from trees sprayed only with a fungicide (dodine) was examined for insect injury at harvest. Results for 1961 and 1962 are given in detail. Seventeen percent were injured in 1961 and 20% in 1962 with the plum curculio, Conotrachelus nenuphar (Herbst), causing 14 and 17%, respectively. The remaining 3% injury was due primarily to lepidopterous larvae, including internal injury by the cherry fruitworm, Grapholitha packardi Zeller, and the destructive pruneworm, Mineola scitulella Hulst, and external feeding by the eye-spotted bud moth, Spilonota ocellana (Denis & Schiffermüller), and fruit-tree leaf roller, Archips argyrospilus (Walker), The plum curculio was responsible for additional losses of 9 and 6% owing to fruit “drop” prior to harvest in 1961 and 1962, respectively. The total crop loss caused by insect injury was 26%.

Document Type: Research Article

Publication date: February 1, 1966

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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