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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K7421-9

Biochemist Kevin Young (left) and David Ertl, a plant breeder with Pioneer Hi-Bred International, Inc., analyze hybrid corn samples. High inorganic phosphorus in low-phytic-acid kernels turns the test solution dark blue, while normal kernels show light.

Photo by Keith Weller.



640 pixels wide: (k7421-9.jpg)




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Last Modified: 5/23/2006