Photos of Septoria leaf spot, Cercospora leaf spot, fairy rings, and stink horns have all been posted previously. Please use the search function to locate these images.
Tag Archives: Cercospora leaf spot
Disease Hotline Issue 12
Horsechestnut leaf blotch. Photo taken by: M. Petitjean, University of Massachusetts Extension & found at: http://www.umassgreeninfo.org/fact_sheets/diseases/guignardia_leaf_blotch.pdf
Cercospora leafspot on rose. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Cedar apple rust. Photo provided by: USDA Forest Service – Region 8 Archive, USDA Forest Service, Bugwood.org
Cedar apple rust. Photo provided by: Daniel H. Brown, USDA Forest Service, Bugwood.org
Disease Hotline Issue 4
Black spot on rose. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org
Cercospora leaf spot on rose. Photo found at: http://edis.ifas.ufl.edu/LyraEDISServlet?command=getImageDetailℑ_soid=FIGURE%201&document;_soid=PP267&document;_version=42330
Kabatina blight on juniper. Photo found at: http://urbanext.illinois.edu/hortanswers/detailproblem.cfm?PathogenID=20
Disease Hotline Issue 20
Alfalfa mosaic virus on potato. Photo provided by: Howard F. Schwartz, Colorado State University, Bugwood.org
Cercospora leaf spot on Bigleaf Hydrangea. Photo found at: http://www.aces.edu/pubs/docs/A/ANR-1212/
Cercospora leaf spot on rose. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Daylily leafstreak. Photo found at: http://www.umass.edu/umext/floriculture/fact_sheets/pest_management/daylily_rust_streak.htm
What’s Hot HL Issue 23
Cercospora leafspot on rose. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Pyracantha scab on fruits. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Puss caterpillar. Photo by: Gerald J. Lenhard, , Bugwood.org
Puss caterpillar. Photo by: Lacy L. Hyche, Auburn University, Bugwood.org
Plumbago foliar nematode. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware