Rapid Method of Evaluating Maize for Sheath-Collar Feeding Resistance to the European Corn Borer (Lepidoptera: Pyralidae)

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Abstract:

An internal visual rating method of evaluating Zea maize L. for sheath-collar feeding resistance to Ostnnia nubilalis (Hiibner) is presented. The method involves determining the number of stalk subsections containing larval tunneling "=60d after artificial infestation of plants. The subsections examined range from four nodes above the ear node to four nodes below the ear node. Comparisons were made between internal visual ratings and two previously described methods: centimeters of larval tunneling within the stalk and sheath-collar damage ratings. Correlations between the various methods showed that the internal visual rating can be used to evaluate maize genotypes for resistance. Also, the internal visual rating is ""40% faster than determining centimeters of tunneling

Document Type: Research Article

Publication date: February 1, 1991

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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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