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United States Department of Agriculture

Agricultural Research Service

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Image Number D2544-3

Plant physiologist Franck Dayan observes wild-type and herbicide-resistant biotypes of pigweed (Palmer Amaranth) as Mississippi State University graduate student Daniela Ribeiro collects plant samples for DNA analysis.


Photo by Stephen Ausmus.

640 pixels wide: (d2544-3.jpg)

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Last Modified: 6/27/2017
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