Disease Hotline Issue 17

Photo from Iowa State University Forestry Extension Website.

Bacterial Leaf Scorch on Pin Oak

Photo by Jim Peter, The Plant & Pest Diagnostic Laboratory at Purdue University

Bacterial Scorch on Pin Oak
Photo by Jim Peter, The Plant & Pest Diagnostic Laboratory at Purdue University

Bacterial Leaf Scorch on Oak

Photographer Edward L. Barnard, Florida Department of Agriculture and Consumer Services

Peony blotch on peony (Paeonia)

Image from Missouri Botanical Garden, Kemper Center for Home Horticulture Web Site