DISEASE: Bacterial canker
HOST: Tomato
Close-up of bird's-eye spots on green fruit.

Bacterial canker | Tomato
DISEASE: Bacterial canker
HOST: Tomato (Lycopersicon esculentum)
PATHOGEN: Clavibacter michiganensis subsp. michiganensis
PATHOGEN SYNONYM: Corynebacterium michiganense
SOURCE: A. Hayward
DISEASE: Bacterial canker
HOST: Tomato
Ripe tomato infected with Clavibacter michiganensis subsp. michiganensis, which causes light brown lesions surrounded by white halos, and Pseudomonas syringae pv. tomato, which causes small, black, raised lesions.

Bacterial canker | Tomato
DISEASE: Bacterial canker
HOST: Tomato (Lycopersicon esculentum)
PATHOGEN: Clavibacter michiganensis subsp. michiganensis
PATHOGEN SYNONYM: Corynebacterium michiganense
SOURCE: M. Schroth
DISEASE: Crown gall (Leafy gall)
HOST: Datura
Crown gall or leafy gall of datura.

Crown gall (Leafy gall) | Datura
DISEASE: Crown gall (Leafy gall)
HOST: Datura (Datura sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: M. Schroth
DISEASE: Crown gall
HOST: Almond
Multiple galls on almond roots (left). Roots of healthy plant (right). Severe galling on young trees causes stunting.

Crown gall | Almond
DISEASE: Crown gall
HOST: Almond (Prunus dulcis)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: M. Schroth
DISEASE: Crown gall
HOST: Apple
Crown gall of apple.

Crown gall | Apple
DISEASE: Crown gall
HOST: Apple (Malus domestica)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: H. Sawada, M. Goto
DISEASE: Crown gall
HOST: Aspen
Aspen with large, encrusted gall.

Crown gall | Aspen
DISEASE: Crown gall
HOST: Aspen (Populus sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: S. Thomson
DISEASE: Crown gall
HOST: Blackberry
Crown gall of blackberry.

Crown gall | Blackberry
DISEASE: Crown gall
HOST: Blackberry (Rubus sp.)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: J. Young, D. Watson
DISEASE: Crown gall
HOST: Cherry
Crown gall of cherry.

Crown gall | Cherry
DISEASE: Crown gall
HOST: Cherry (Prunus avium)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: H. Sawada, M. Goto