Ovipositional Preference and Antibiosis in Relation to Resistance to a Sorghum Shoot Fly

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Abstract:

Greenhouse and field experiments indicated that when the adult female of Atherigona varia var. soccata Rondani was given a choice between exotic and Indian sorghum varieties for oviposition, the former were highly preferred. Ovipositiona1 preference was manifested in a higher average number of eggs per plant and a higher percentage of plants infested with eggs. Damage as measured by percentage of dead hearts was significantly higher on exotic than on Indian varieties where flies were offered a choice; when there was no choice for oviposition, exotic and Indian varieties were damaged equally. Varieta1 differences affected larval survival and adult emergence of this fly.

Document Type: Research Article

Publication date: April 1, 1974

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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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