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World Encyclopedia of Plant Bacterial Diseases
BACTERIAL BROWN SPOT
|
Bean
SOURCE:
H. Schwartz
DISEASE:
Bacterial brown spot
HOST:
Bean
(
Phaseolus vulgaris
)
Common bean with necrotic lesions on upper and lower surfaces of leaves. Lesions often are surrounded by bright yellow zones (not shown).
PATHOGEN:
Pseudomonas syringae
pv.
syringae