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United States Department of Agriculture

Agricultural Research Service

Image Number D1896-6

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Image Number D1896-6

In Stoneville, Mississippi, biologist Bobbie Johnson adds ammonium hydroxide to Aspergillus cultures to differentiate aflatoxin-producing strains (yellow and red) from nonproducers (off-white).

 

Photo by Stephen Ausmus.


640 pixels wide: (d1896-6.jpg)




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Last Modified: 8/27/2010
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