Morphological Characters in Vigna glabrescens Resistant to Agromyzids (Diptera: Agromyzidae)

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Abstract:

Morphological characters associated with the infestation of bean fly, Ophiomyia Phaseoli (Tryon), and two other agromyzids, O. centrosematis (de Meijere) and Melanagromyza sojae (Zehntner), in one resistant Vigna glabrescens (Marechal, Mascherpa & Strainier) accession, V 1160 (PI 207655), and one susceptible mungbean, Vigna radiate (L.) Wilczek, breeding line, VC 1973A, were investigated. The unifoliate leaves of V 1160 were significantly smaller and thinner than those of VC 1973A. The first trifoliate leaves of the former were significantly smaller and less pubescent than those of the latter. Accession V 1160 had significantly smaller and thinner petioles. The stems of V 1160 were glabrous and had shorter and thinner internodes than the stems of VC 1973A. Agromyzid adults preferred to visit VC 1973A plants and made more feeding/oviposition punctures in the leaves of this breeding line than in the same plant parts of V 1160. Consequently, significantly more bean fly larvae and pupae were found inside the stems of VC 1973A than in those of V 1160. This accession represents an important source for breeding mungbean cultivars resistant to agromyzids

Document Type: Research Article

Publication date: August 1, 1993

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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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