Resistance of Tobacco Introduction 1112 to the Tobacco Budworm and Green Peach Aphid

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In field and laboratory tests, the mechanism of resistance to the tobacco budworm, Heliothis virescens (F.), in tobacco introduction (T.I.) 1112 (Nicotiana tabacum L.)was found to be nonpreference for oviposition. The mechanism of resistance to the green peach aphid, Myzus persicae (Sulzer), appeared to be a tendency for alate aphids to abandon T.I. 1112 more readily than fluecured tobacco. Trichogramma parasitized Heliothis eggs on T.I. 1112, and more coccinelids werc present on this line than on flue-cured tobacco. Nonglandular trichomes may contribute to the observed resistance.

Document Type: Research Article

Publication date: October 15, 1978

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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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