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Observations on an Infestation by Green Peach Aphids (Homoptera: Aphididae) on Greenhouse Tomatoes in Italy

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The ecology and biology of green peach aphids, Myzus persicae (Sulzer), were studied on greenhouse tomatoes with the goals of learning more about the biology of the species in these conditions and of measuring parameters to implement a computer simulation that could be used in programs for resistance management. Control groups and groups of tomatoes ('Ausonio’and‘Acor') treated with deltamethrin were observed throughout the growing season, and selected plants were observed in detail. At weekly intervals, the following measurements were recorded: height of the plant, number of leaves and flower clusters, health condition, phenological phase of the plant, presenceabsence of M. persicae (and if present, the numbers for each life stage on each leaf or flower bud), and the presence-absence of other parasitoids and predators. Although the trial demonstrated the efficacy of chemical treatments in reducing the number of aphids, the infestation did not seem to have consistent effects on fruit production.

Document Type: Research Article

Publication date: August 1, 1993

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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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