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ARS Home Office of Communications Images Photos May06





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Image Number D482-3 ARS chemist Robert Owens (right), microbiologist Susan Thompson, and technician John Clark review results of a "dot blot" assay for potato spindle tuber viroid. These assays provide sensitive, rapid detection of infected plants and identify any viroids present.  Photo by Stephen Ausmus.  640 pixels wide: (d482-3.jpg)   Please visit our Image Gallery


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