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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D840-1

In a darkened storage shed, assistant research scientist Stan Carroll—with the Cotton Entomology Research Program, Texas Agricultural Experiment Station, Lubbock—uses a blacklight to search for boll weevils marked with fluorescent powder on freshly harvested cotton. He is counting the number of weevils still on the cotton after simulated transport from field to cotton gin.


Photo by Tom Sappington.

640 pixels wide: (d840-1.jpg)

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Last Modified: 7/30/2007
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