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Leaf spot/blotch (Phoma or Ascochyta) on Clematis (Clematis sp.)


7 Images
5368612
Paul Bachi
University of Kentucky Research and Education Center

Leaves with brown to reddish-brown spots/blotches.

5368613
Paul Bachi
University of Kentucky Research and Education Center

Close-up of leaves with brown to reddish-brown spots/blotches.

5368614
Paul Bachi
University of Kentucky Research and Education Center

Close-up of a single brown to reddish-brown spot/blotch.

5368615
Paul Bachi
University of Kentucky Research and Education Center

Close-up of infected leaf tissue with reddish-brown spore-producing bodies ("pycnidia") not well defined within spot/blotches.

5368616
Paul Bachi
University of Kentucky Research and Education Center

Close-up of two reddish-brown spore-producing bodies ("pycnidia").

5368617
Paul Bachi
University of Kentucky Research and Education Center

Spores oozing out of infected leaf tissue.

5368618
Paul Bachi
University of Kentucky Research and Education Center

Close-up of spores of a species of the fungus Ascochyta.