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Potato Virus Y transmission efficiency for some common aphids in Idaho
Authors:Susan E. Halbert  Dennis L. Corsini  Monica A. Wiebe
Affiliation:1. Florida Department of Agriculture and Consumer Services, Division of Plant Industry, P.O. Box 147100, 32614-7100, Gainesville, FL
2. USDA-ARS, University of Idaho, Aberdeen Research & Extension Center, P.O. Box 870, 83210, Aberdeen, ID
3. Aberdeen Research & Extension Center, University of Idaho, P.O. Box 870, 83210, Aberdeen, ID
Abstract:Green tile pan trap counts during the potato-growing season showed thatCapitophorus elaeagni (32%),Diuraphis noxia (27.7%), andMetopolophium dirhodum (15%) were the most abundant aphid species in potato fields at Aberdeen, Idaho.Acyrthosiphon pisum (22%),C. elaeagni (19%), andMetopolophium dirhodum (19%) were the most abundant species in potato fields at Tetonia, Idaho potato seed production areas. Eight species of aphids found to visit potato fields (C. elaeagni, D. noxia, M. dirhodum, Myzus persicae, Rhopalosiphum maidis, Rhopalosiphum padi, Schizaphis graminum, andSitobion avenue) were tested for Potato virus Y (PVY) transmission efficiency by timed probe experiments. Four of these species (D. noxia, M. dirhodum, M. persicae, andS. aoenae) and an additional three (Diuraphis frequens, Diuraphis mexicana, andDiuraphis tritici) were tested using mass inoculations.Capitophorus elaeagni, M. persicae, R. maidis, R. padi, andS. graminum all transmitted PVY in the timed probe experiments.Myzus persicae andD. noxia transmitted PVY in the mass inoculation experiments.
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