BACTERIAL LEAF SPOT
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Poinsettia

SOURCE:
A. Chase
DISEASE:
Bacterial leaf spot
HOST:
Poinsettia
(Euphorbia pulcherrima)
Leaves with reddish brown blighted areas and spots. Severely spotted leaves turn yellow and dehisce.
PATHOGEN:
Xanthomonas axonopodis pv. poinsettiicola
PATHOGEN SYNONYM:
Xanthomonas campestris pv. poinsettiicola