Tag Archives: Phyllosticta leaf spot

Disease Hotline Issue 7

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Pine needle rust. Photo provided by: Bob Mulrooney, Plant Pathology Extension Specialist, University of Delaware

Anthracnose on ash. Photo provided by: Joseph O’Brien, USDA Forest Service, Bugwood.org

Close-up of anthracnose on ash tree leaves. Photo provided by: Joseph O’Brien, USDA Forest Service, Bugwood.org

Anthracnose on ash leaves. Photo provided by: Virginia Tech Learning Resources Center, Virginia Polytechnic Institute and State University, Bugwood.org

Phyllosticta leaf spot on a maple tree. Photo provided by: Joseph O’Brien, USDA Forest Service, Bugwood.org

Disease Hotline Issue 16

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Powdery mildew on Norway Maple. Photo by: Andrej Kunca, National Forest Centre – Slovakia, Bugwood.org.

Powdery Mildew on Norway maple. Photo by: Petr Kapitola, State Phytosanitary Administration, Bugwood.org.

Phyllosticta leaf spot on Leucothoe. Photo by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org.

Phyllosticta leaf spot on Leucothoe. Image shown is a A single leaf spot with small, black spore-producing bodies (“pycnidia”) with white ooze containing spores. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org.


Asexual spores of Phyllosticta fungus. Photo by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org.

Phyllosticta leaf spot on crape myrtle. Photo by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org.

Phyllosticta leaf spot on highbush blueberry. Photo by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org.