The development of mature plant resistance in four potato cultivars against aphid-inoculated potato virus YO and YN in four potato cultivars |
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| Authors: | R W Gibson |
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| Institution: | (1) AFRC Institute of Arable Crops Research, Rothamsted Experimental Station, AL5 2JQ Harpenden, Herts., UK;(2) Present address: Natural Resources Institute, Central Avenue, ME4 4TB Kent, Chatham Maritime, UK |
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| Abstract: | Summary Field-grown potato plants of cvs King Edward, Record, Maris Piper and Désirée were inoculated on seven different dates during
the growing season of 1987 and 1988 with either potato virus YO (PVYO) or PVYN, using three viruliferous peach-potato aphids (Myzus persicae) per plant. In each cultivar, the proportion of progeny tubers infected with PVYO or PVYN was high in plants inoculated during the four weeks following emergence, the proportion declining to zero or close to zero
in the subsequent 4–6 wks. |
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| Keywords: | epidemiology forecasting control Myzuspersicae Solanum tuberosum L |
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