DISEASE: Bacterial leaf spot
HOST: Elm
Leaf with small, dark brown lesions and necrosis along veins.
![](/sites/default/files/plant_disease/images/0383.jpg)
Bacterial leaf spot | Elm
DISEASE: Bacterial leaf spot
HOST: Elm (Ulmus americana)
PATHOGEN: Pseudomonas syringae pv. ulmi
SOURCE: W. Sinclair
DISEASE: Bacterial mushy canker
HOST: Papaya
This disease (Micronesia) differs from bacterial decline by causing blackish, water-soaked, mushy cankers near or in leaf axils or on young stems.
![](/sites/default/files/plant_disease/images/0643.jpg)
Bacterial mushy canker | Papaya
DISEASE: Bacterial mushy canker
HOST: Papaya (Carica papaya)
PATHOGEN: Erwinia sp.
SOURCE: E. Trujillo