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spot/blotch (Xanthomonas spp.) on Hydrangea, Oakleaf (Hydrangea quercifolia)


3 Images
5368717
Paul Bachi
University of Kentucky Research and Education Center

Purple/brown spots and/or blotches on leaves.

5368718
Paul Bachi
University of Kentucky Research and Education Center

Single leaf with purple/brown spots and blotches.

5368720
Paul Bachi
University of Kentucky Research and Education Center

Bacteria oozing from infected leaf tissue under dark-field observation.