Ovipositional Response of Southwestern Corn Borer (Lepidoptera: Pyralidae) and Fall Armyworm (Lepidoptera: Noctuidae) to Selected Maize Hybrids

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Field cage experiments were done to determine if maize (Zea mays L.) hybrids with leaf-feeding resistance to larvae of southwestern corn borer, Diatraea grandiosella Pyar, and fall armyworm, Spodoptera frugiperda 0. E. Smith), also are less preferred for oviposition under choice conditions. Two resistant maize hybrids (Mp496 x Mp701 and Mp704 x Mp706) and two susceptible hybrids (SC229 x Tx601 and Ab24E x Va35) were tested. Southwestern corn borers laid significantly fewer eggs on the resistant than on the susceptible hybrids. Fall armyworms laid significantly fewer eggs on the resistant hybrids than on SC229 x Tx601 but not on Ab24E x Va35. Thus, females of both species exhibited preference in selection of hosts for oviposition with the resistant hybrids being less preferred.

Document Type: Research Article

Publication date: August 1, 1990

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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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