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United States Department of Agriculture

Agricultural Research Service

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Image Number D1726-10

Looking for signs of resistance, geneticists Dennis Halterman (left) and Shelley Jansky examine resistant (being held) and susceptible potato plants that have been inoculated with Phytophthora infestans, the causal agent of late blight.


Photo by Stephen Ausmus.

640 pixels wide: (d1726-10.jpg)

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Last Modified: 8/13/2016
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