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Influence of Cultivar and Plant Age on European Corn Borer (Lepidoptera: Pyralidae) Infestation in Snap Bean

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Nineteen cultivars of snap bean and wax bean, Phaseolus vulgaris L., were uniformly infested with egg masses of European corn borer, Ostrinia nubilalis (Hüibner). A 5-fold difference in number of tunnels was found on the various cultivars. Cultivars differed in whether pod injuries or stem injuries predominated. Pod tunneling was most common on 'Gold Crop' and 'Pillsbury 516' and least common on 'Sungold.' Varietal differences in susceptibility to stem tunneling varied with plant age at time of infestation. Larval survival appeared to increase with age of the host plant at the time of egg hatch. Adult moths confined on four cultivars showed no ovipositional preferences. Newly hatched larvae bored into stems within 4 days, but were not found in the pods in the first 10 days.

Document Type: Research Article

Publication date: April 1, 1984

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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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