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ARS Home Office of Communications Images Photos Sep10





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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)   Please visit our Image Gallery


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