Disease Hotline Issue 20


Foliar nematode infesting hosta. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware

Foliar nematode infesting peony. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware

Plumbago foliar nematode. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware

Foliar nematodes infecting hosta. Photo found at:http://www.extension.umn.edu/yardandgarden/YGLNews/YGLNewsSept12007.html and taken by: Michelle Grabowski.

Sclerotium rolfsii (southern blight). Photo taken by: Nancy Gregory, University of Delaware Plant Diagnostician.

Disease Hotline Issue 23

Botrytis Stem Canker

Botrytis on Geranium (Pelargonium)
Above 2 Photos from New England Greenhouse Update

Foliar Nematodes Magnified

Photo by Jody Fetzer, New York Botanical Garden, Bugwood.org

Foliar Nematode Damage to Mums
Photo by Jody Fetzer, New York Botanical Garden, Bugwood.org

Foliar Nematode on Anemone
Photo by Jody Fetzer, New York Botanical Garden, Bugwood.org

Foliar Nematode on Butterfly Bush

Photo by Jody Fetzer, New York Botanical Garden, Bugwood.org

Foliar Nematodes on Ferns and Hostas

Photos by Bob Mulrooney, Extension Plant Pathologist, University of Delaware