Effect of Heat Treatment on the Ascorbic Acid Content of a Diet and the Effect on Development of the Tobacco Budworm

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Growth of Heliothis virescens (F.) when fed on sterile wheat germ diets was the same when ascorbic acid was added to diets before the diet was autoclaved or after the diet was autoclaved and cooled. Adults developed from both diets, but growth was poor in diet lacking ascorbic acid and no adults were obtained, thus proving that this insect has a dietary need for the vitamin. Analysis of the diets for ascorbic acid by the 2,6- dichloroindophenol method showed that no loss occurred in either heating method.

Document Type: Research Article

Publication date: June 1, 1975

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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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