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United States Department of Agriculture

Agricultural Research Service

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Image Number K11316-15

Three weeks after yellow starthistle was inoculated with rust spores, ARS plant pathologist Bill Bruckart (left) and California Department of Food and Agriculture plant pathologist Dale Woods inspect one of 20 test sites to learn about the pathogen's performance.

Photo by Stephen Ausmus.

640 pixels wide: (k11316-15.jpg)

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Last Modified: 3/14/2017
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