Transmission of potato virus Y by aphids trapped in potato crops in southern England |
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Authors: | R. Harrington R. W. Gibson |
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Affiliation: | (1) Institute of Arable Crops Research, Rothamsted Experimental Station, AL5 2JQ Harpenden, Hertfordshire, England |
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Abstract: | Summary Harrington et al. (1986) assessed the relative efficiency with which different aphid species transmitted potato virus Y (PVY), by trapping flying aphids on a net downwind of a plot of infected potatoes and transferring the aphids to tobacco seedlings. This paper reports the extension of that work over further seasons and identifies three more vector species,Aphis sambuci, Myzus cerasi andDysaphis sp. A method for determining the proportion of those aphids caught on the net that had landed and probed in the crop is suggested. The use of such information to improve a model of virus spread is discussed. |
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Keywords: | Vectors forecasting |
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