Friday, July 17, 2009

Disease Hotline Issue 16


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.

No comments: