Corn Earworm Damage and Aflatoxin B1 on Corn Ears Protected with Insecticide

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Four dent corn hybrids (3 in 1974 and one in 1975) were tested in split plot experiments that included arificial vs. natural infestation of ears with Heliothis zea (Boddie), inoculation of ears with Aspergillus flavus Link ex Fries vs. no inoculation, and ears sprayed with stirofos vs. nonsprayed ears in 1974; included inoculation vs. noninoculation and stirofos treated bags vs. nontreated bags in 1975. Aflatoxin B1 production and corn earworm injury were recorded. No evidence was found in either year for a significant relationship between corn earworm injury and the presence of aflatoxin B1. The insecticide regimen which was designed to totally control insects in both years did not eliminate insect damage nor did it effectively preclude A. f1avus infection of the ears and subsequent aflatoxin production.

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.
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