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United States Department of Agriculture

Agricultural Research Service

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Image Number D2652-5

Plant pathologists Rick Jones (left) and Leslie Wanner screen both traditional and genetically enhanced potatoes for disease resistance. The potatoes on the left are uninfected (clean and round), whereas the ones on the right are infected (dark and misshapen).


Photo by Stephen Ausmus.

640 pixels wide: (d2652-5.jpg)

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Last Modified: 8/12/2016
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