Disease Hotline Issue 18


Puffball. Photo provided by: Nancy Gregory, Plant diagnostician, University of Delaware.

Peony blotch on tree peony leaves.

Hollyhock rust. Image found at the following website: http://www.plantpath.iastate.edu/pdc/node/142

Powdery mildew. Photo provided by: Mike Schomaker, Colorado State Forest Service, Bugwood.org

Giant puffball. Photo provided by: Joseph LaForest, University of Georgia, Bugwood.org

Bacterial leaf scorch distant view. Photo provided by: Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org

Bacterial leaf scorch. Photo provided by: Theodor D. Leininger, USDA Forest Service, Bugwood.org

Daylily leaf streak. Image found at http://hyg.aces.uiuc.edu/secure/subscribers/200611b.html.