European Corn Borer: A Nonpreference Mechanism of Leaf Feeding Resistance and Its Relationship to 1,4-Benzoxazin-3-0ne Concentration in Dent Corn Tissue
Authors: Robinson, J. F.; Klun, J. A.; Brindley, T. A.
Source: Journal of Economic Entomology, Volume 71, Number 3, June 1978 , pp. 461-465(5)
Publisher: Entomological Society of America
Abstract:A nonpreference mechanism of resistance, as indicated by larval movement off the host plant, plays an impor tant role in the resistance of dent corn, Zea mays L., to leaf feeding by Ostrinia nubilalis (Hübner). When compared with the other inbred lines, the high level of leaffeeding resistance found in the inbred line, CI31A, can be attributcd to its increased level of non preference. Whorl concentrations of 2-hydroxy-7-methoxy-2H.1, 4-benzoxazin-3 (4H) one (HMBOA) and 2,4-dihydroxy-7- methoxy-2H-I, 4-benzoxazin-3(4H) -one (DIMBOA) were significantly different between inbred lines. The data indicate that DIMBOA is a primary chemical factor in the expression of non preference.
Document Type: Research Article
Publication date: June 1, 1978
- 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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