Optimizing European Corn Borer (Lepidoptera: Pyralidae) Infestation of Maize Ears for Kernel Damage Evaluations

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Four maize, Zea mays, L., genotypes, 'Jubilee,' B52, W182E, and 'Apache,' were infested at the ear tip with 0, 2, 4, 8, 16, or 32 egg masses of Ostrinia nubilalis (Hübner) and evaluated for kernel damage. Averaged across genotypes, kernel damage first increased and then approached a plateau as infestation level increased. Ability to differentiate among genotypes, measured as F in separate analyses of variance at each infestation level, was estimated to be maximized with ca. 9 egg masses per ear tip. A significant F (P ≤ 1%) would have been achieved with three replications and four egg masses per ear tip.

Document Type: Research Article

Publication date: June 1, 1983

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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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