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World Encyclopedia of Plant Bacterial Diseases
MARGINAL LEAF BLIGHT
|
Lettuce
SOURCE:
L. Fucikovsky
DISEASE:
Marginal leaf blight
HOST:
Lettuce
(
Lactuca sativa
)
Marginal leaf blight first appears as slimy wilting of leaf margins. Small, reddish lesions may be seen on leaf blades. Infected tissues turn brown to black in time.
PATHOGEN:
Pseudomonas marginalis