Estimation of Vector Propensity of Potato Virus Y in Open-Field Pepper Crops of Central Spain

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During 3 successive years (1991, 1992, and 1993), 49 different species of alatae aphids were captured alive using net traps located in pepper fields in central Spain (Madrid). Aphids were trapped and transferred individually to pepper test seedlings to assess transmission of potato virus Y (PVY). In 1991, only 1 individual aphid transmitted PVY of 582 aphids captured. None of the 757 aphids captured in 1993 transmitted PVY to test plants. However, the percentage of transmitters was higher during 1992 (55n80,7%). Most aphids transmitting PVY were identified either as Diuraphis noxia (Mordvilko) or Aphis spp. A series of transmission assays were conducted under controlled conditions to confirm the transmission ability of D. noxia. Results showed that D. noxia transmits PVY with low efficiency under laboratory conditions. The role of D. noxia as a vector of PVY in the central region of Spain is discussed.

Document Type: Research Article

Publication date: August 1, 1995

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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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