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United States Department of Agriculture

Agricultural Research Service

Research Overview
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1 - Accomplishments
2 - Standardized virus detection method
3 - Purple top phyoplasma
4 - Potato virus Y (PVY)
5 - Potato mop top virus (PMTV)
6 - Potato zebra chip disease

·         Development of a standardized procedure for detection of eleven viruses and one viroid of potatoes.

·         Determined that the potato purple top phytoplasma is tuber-borne at a relatively high rate in major potato cultivars.

·         Demonstrated that various strains of Potato virus Y (PVY) are widespread in certified seed potatoes grown in the US and Canada.

·         Reported the occurrence of potato mop top virus (PMTV) for the first time in Washington State.

·         Potato zebra chip disease was found for the first time in Washington, Oregon, and Idaho in 2011.


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Last Modified: 3/13/2012
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