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