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Interactions of Plant Size and Squash Bug (Hemiptera: Coreidae) Density on Growth of Seedling Squash

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An investigation to delimit the influence of feeding by adult squash bug, Anasa tristis (De Geer), on squash, Cucurbita pepo var. melopepo L. 'Hyrific', was done during the summers of 1988 and 1989. When two or more adult squash bugs were allowed to feed on plants at the two-leaf stage for 200 DD (base 15.6°C), yield reductions were caused primarily by seedling mortality. Plants surviving the infestation period were typically unable to make up for growth delays induced by squash bug feeding. The size of the plants at infestation influenced yield, with four-leaf plants producing lower yields at maturity than those with six leaves.

Document Type: Research Article

Publication date: December 1, 1992

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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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