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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D466-1

Grape roots infected with root-knot nematodes. The galling and swelling of the roots are symptoms of nematode infection. The red dots are nematode egg masses, stained for easy visualization.

Photo by Daniel Ng/UC Davis Viticulture.

640 pixels wide: (d466-1.jpg)

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Last Modified: 5/23/2006
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