BACTERIAL LEAF SPOT (HEAD ROT)
|
Lettuce

SOURCE:
A. Alvarez
DISEASE:
Bacterial leaf spot (Head rot)
HOST:
Lettuce
(Lactuca sativa)
Leaf with black, greasy spots that tend to be vein delimited. Lesions begin as small, angular, water-soaked lesions that coalesce, resulting in large necrotic areas.
PATHOGEN:
Xanthomonas axonopodis pv. vitians
PATHOGEN SYNONYM:
Xanthomonas campestris pv. vitians