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United States Department of Agriculture

Agricultural Research Service

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Image Number K9032-1

Plant pathologist Mark Mazzola prepares to evaluate the root system of young apple trees in a wheat rotation plot. The roots will be examined to determine whether the rotation crop effectively suppressed root infection by the fungal complex that causes replant disease.


Photo by Brian Prechtel.

640 pixels wide: (k9032-1.jpg)

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Last Modified: 8/13/2016
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