Spotted Cutworm: Simulated Damage to Apples

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Simulated damage (artificial debudding) was used to establish preliminary economic injury threshold for Amathes c-nigrum (L.) in ‘Red Delicious’ apple trees. Production was unaffected by 2 levels of debudding. 50 and 75%, but the debudding produced a significant increase in fruit size and number of new shoots. Injury at the high level for 2 consecutive years caused a substantial (97%) loss of return bloom the 3rd year; however, there were sufficient blossoms to set a normal crop the 3rd year.

Document Type: Research Article

Publication date: June 1, 1978

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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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