Disease Hotline Issue 6 Posted on May 6, 2011 by campus Monolinia blight on Flowering Quince. Photo by: Nancy Gregory, University of Delaware, Plant Pathology Plant Diagnostician
Disease Hotline Issue 16 Posted on July 16, 2007 by campus Bacterial Leaf Spot of Zinnia Aster Yellows on Rudbeckia Aster Yellows on Coneflower Brown Patch on Tall Fescue Leaves All Disease Pictures by Bob Mulrooney, University of Delaware, Extension Plant Pathologist