BACTERIAL FLOWER STALK AND LEAF NECROSIS
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Onion

SOURCE:
R. Gitaitis
DISEASE:
Bacterial flower stalk and leaf necrosis
HOST:
Onion
(Allium cepa)
Gray-brown rot of onion after inoculation. Disease starts as small, water-soaked lesions that later develop into slimy, gray-brown rot. The disease progresses downward from the stalk and may rot the entire bulb.
PATHOGEN:
Pseudomonas marginalis pv. marginalis