DISEASE: Internal yellowing
HOST: Papaya
Yellow discoloration of flesh. The affected area is soft and has an acrid odor.
![](/sites/default/files/plant_disease/images/0642.jpg)
Internal yellowing | Papaya
DISEASE: Internal yellowing
HOST: Papaya (Carica papaya)
PATHOGEN: Enterobacter cloacae
SOURCE: K. Nishijima
DISEASE: Wildfire (Angular leaf spot)
HOST: Tobacco
Characteristic symptoms are necrotic, brown spots with angular margins surrounded by distinct yellow halos. The halos are caused by the production of tabtoxin.
![](/sites/default/files/plant_disease/images/0917.jpg)
Wildfire (Angular leaf spot) | Tobacco
DISEASE: Wildfire (Angular leaf spot)
HOST: Tobacco (Nicotiana tabacum)
PATHOGEN: Pseudomonas syringae pv. tabaci
SOURCE: G. Lucas