Potato virus Y and organic potatoes in Western Washington
McMoran, Donald W.
Inglis, Debbie, 1953-
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Even though most organic potato fields and home gardens are relatively small in size, they can be viewed as a threat to conventionally managed potato fields because of the perception that they may host uncontrolled diseases and insects, especially those that can be tuber borne in seed potatoes. However, often organic potato producers and home gardeners simply do not have access to adequate educational resources or virus-free seed potatoes. One of the most serious diseases facing Washington’s potato industry is caused by Potato virus Y (PVY) which is transmitted by seed potatoes as well as by aphids. PVY can seriously diminish potato yield and tuber quality. This project was carried out to: Establish whether PVY is more widespread in organically-managed than conventionally-managed potato fields; Investigate the incidence of PVY in organic seed potato lots sold at garden store outlets; Provide recommendations and PVY management resources for organic potato production.