Dormant season sprays were applied to pear orchards by helicopters equipped with Beecomist® spray heads to compare their effectiveness in controlling overwintered Psylla pyricola Foerster with dilute sprays applied with handgun or airblast sprayer. While the aerial sprays were not as effective as those applied with ground sprayers, they were found to be suitable substitutes when the latter method of application was not convenient.
Document Type: Research Article
Publication date: October 1, 1976
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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.