BACTERIAL LEAF SPOT
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Hydrangea (Oak-leaf)

SOURCE:
W. Uddin, W. Sinclair
DISEASE:
Bacterial leaf spot
HOST:
Hydrangea (Oak-leaf)
(Hydrangea quercifolia)
Leaf with individual brown necrotic lesions and coalesced lesions that formed large necrotic areas. The disease is caused by an unclassified xanthomonad.
PATHOGEN:
Xanthomonas campestris