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Posts Tagged: Paulo Vieira
USDA-ARS Scientist Paulo Vieira Targeting Nematode That Causes Beech Leaf Disease
Paulo Vieira, a plant pathologist, molecular biologist and nematologist with USDA's Agricultural...
Symptoms of beech leaf disease include swelling and darkening of interveinal tissues as well as chlorosis. (Photo courtesy of Paulo Vieira of USDA-ARS, Beltsville, MD.)