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United States Department of Agriculture

Agricultural Research Service

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Image Number D2912-1

Molecular biologist Jo Anne Crouch and microbiologist Ed Ismaiel perform genotypic analysis on DNA from the pathogen that causes downy mildew of Impatiens.


Photo byPeggy Greb.

640 pixels wide: (d2912-1.jpg)

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Last Modified: 8/13/2016
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