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ARS Home Office of Communications Images Photos FeaturedPhoto Jan22





- Featured Photo Archive
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ARS Featured Photo A severe case of powdery mildew on a zinnia A severe case of powdery mildew on a zinnia. Learn howresearchers are harnessing the sun's rays to kill powdery mildew fungus. Download sizes: Phone: 750px x 1334px Desktop: 1280px x 800px 300 dpi: 9"x 6" Photo by Steve Ausmus, USDA/ARS  Copyright free, public domain image .


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