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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D685-1

Geneticist Beiquan Mou (right) and plant pathologist Carolee Bull (center) observe specificity of molecular detection methods that are used in breeding lettuces for resistance to corky root. In the background, technician Polly Goldman prepares samples.

Photo by Stephen Ausmus.

640 pixels wide: (d685-1.jpg)

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Last Modified: 1/30/2007
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