Friday, October 16, 2009

Disease Hotline Issue 26


Symptoms of girdling roots on tree. Photo provided by: Roland J. Stipes, Virginia Polytechnic Institute and State University, Bugwood.org

Girdling roots. Photo provided by: Joseph O'Brien, USDA Forest Service, Bugwood.org

Symptoms of Ganoderma root rot. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org

Fruiting bodies of Ganoderma root rot. Photo provided by: Minnesota Department of Natural Resources Archive, Minnesota Department of Natural Resources, Bugwood.org

Fruiting bodies of Ganoderma root rot. Photo provided by: USDA Forest Service - Region 8 Archive, USDA Forest Service, Bugwood.org

Insect Hotline Issue 26


Brown marmorated stink bug adult. Photo provided by: David R. Lance, USDA APHIS PPQ, Bugwood.org

Brown marmorated stink bug nymphs and empty eggs. Photo provided by: David R. Lance, USDA APHIS PPQ, Bugwood.org

Friday, October 2, 2009

Culture Hotline Issue 25


Fall colors. Photo provided by: Paul Bolstad, University of Minnesota, Bugwood.org

Disease Hotline Issue 25


Lawn with rust infestation. Photo found at: http://www.ces.purdue.edu/extmedia/BP/BP-110-W.pdf

Close-up of rust on turfgrass. Photo found at: http://www.ces.purdue.edu/extmedia/BP/BP-110-W.pdf

Dog stinkhorn fungus. Photo provided by: Teresa Mardis, Bugwood.org

Insect Hotline Issue 25


White prunicola scale adults on holly. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware

European hornet and damage. Photo provided by: Louis-Michel Nageleisen, Département de la Santé des Forêts, Bugwood.org