Tag Archives: black spot

Disease Hotline Issue 4

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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 2

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Crabapple scab. Photo found at: http://www.ipm.iastate.edu/ipm/hortnews/files/images/Apple%20scab.preview.jpg

Botryosphaeria canker. Photo provided by: University of Georgia Plant Pathology Archive, University of Georgia, Bugwood.org

Black spot on roses. Photo provided by: Yuan-Min Shen, Taichung District Agricultural Research and Extension Station, Bugwood.org

Diseae Hotline Issue 9

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Ash rust. Photo provided by: Edward L. Barnard, Florida Department of Agriculture and Consumer Services, Bugwood.org

Black spot on rose. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org

Dutch elm disease early stage symptoms. Photo provided by: Joseph O’Brien, USDA Forest Service, Bugwood.org

Dutch elm disease. Photo provided by: William Jacobi, Colorado State University, Bugwood.org

Symptoms of Dutch elm disease. Photo provided by: Fabio Stergulc, Università di Udine, Bugwood.org

Streaking of Dutch elm disease. Photo provided by: Paul H. Peacher, USDA Forest Service, Bugwood.org

Dutch elm disease fruiting bodies. Photo provided by: William Jacobi, Colorado State University, Bugwood.org