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Ovipositional nonpreference of the sorghum shoot fly, Atherigona soccata (Rondani), for seven selected cultivars of sorghum, Sorghum bicolor (L.) Moench, was compared with that for a susceptible hybrid, CSH-l, in a screen house. In a single-choice test, females exhibited a highly significant nonpreference for oviposition on IS 2146, IS 3962, and IS 5613. Females that had no choice for an oviposition substrate, but could escape into an outer cage, showed significant nonpreference for five test cultivars. There was no correlation between nonpreference for a cultivar and the number of females that escaped into the outer cage. Behavioral observations indicated that first landing by a female was random but her stay on IS 2146, IS 3962, and IS 5613 was very brief. Females laid eggs on nonpreferred cultivars only after laying several eggs on alternate CSH-l plants.
Document Type: Research Article
Publication date: June 1, 1984
More about this publication?
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.