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United States Department of Agriculture

Agricultural Research Service

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Image Number D2055-1

A chamber used in an underground field test of nematode attractants. The chamber is filled with sand, a root weevil larva, and a filter paper impregnated with the attractant.


Photo by Peggy Greb.

640 pixels wide: (d2055-1.jpg)

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Last Modified: 8/13/2016
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