WILDFIRE (ANGULAR LEAF SPOT)
|
Tobacco

SOURCE:
G. Lucas
DISEASE:
Wildfire (Angular leaf spot)
HOST:
Tobacco
(Nicotiana tabacum)
Characteristic symptoms are necrotic, brown spots with angular margins surrounded by distinct yellow halos. The halos are caused by the production of tabtoxin.
PATHOGEN:
Pseudomonas syringae pv. tabaci