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Leaf spot (Phyllosticta spp.) on Leucothoe, drooping (Leucothoe fontanesiana)


9 Images
5368352
Paul Bachi
University of Kentucky Research and Education Center

Numerous, large brown leaf spots with light-colored centers and darker brown borders.

5368353
Paul Bachi
University of Kentucky Research and Education Center

Two leaves showing symptoms of leaf spots on upper and lower surfaces.

5368354
Paul Bachi
University of Kentucky Research and Education Center

Close-up of leaf spots.

5368355
Paul Bachi
University of Kentucky Research and Education Center

A single leaf spot with small, black spore-producing bodies ("pycnidia") with white ooze containing spores.

5368356
Paul Bachi
University of Kentucky Research and Education Center

Black spore-producing bodies ("pycnidia") under dark-field observation.

5368357
Paul Bachi
University of Kentucky Research and Education Center

Black spore-producing bodies ("pycnidia") with spores oozing out under dark-field observation.

5368358
Paul Bachi
University of Kentucky Research and Education Center

Spores oozing from infected tissue under dark-field observation.

5368359
Paul Bachi
University of Kentucky Research and Education Center

Conidia of a species of the fungus Phyllosticta.

5368360
Paul Bachi
University of Kentucky Research and Education Center

Conidia of a species of the fungus Phyllosticta.