DISEASE: Bacterial canker
HOST: Cherry
Cherry petioles with spots, sunken centers, and water-soaked, brown margins.
Bacterial canker | Cherry
DISEASE: Bacterial canker
HOST: Cherry (Prunus avium)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: S. Thomson
DISEASE: Bacterial canker
HOST: Cherry
Cherry tree with cankers and bacterial ooze.
Bacterial canker | Cherry
DISEASE: Bacterial canker
HOST: Cherry (Prunus avium)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: A. Jones, M. Shurtleff
DISEASE: Bacterial canker
HOST: Cherry
Cherry twig with gummosis around canker.
Bacterial canker | Cherry
DISEASE: Bacterial canker
HOST: Cherry (Prunus avium)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: S. Thomson
DISEASE: Bacterial canker
HOST: Cherry
Cherry trunk with oozing cankers (arrows).
Bacterial canker | Cherry
DISEASE: Bacterial canker
HOST: Cherry (Prunus avium)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: W. Sinclair
DISEASE: Bacterial canker
HOST: Cherry
Cherry leaf with dark brown necrotic lesions with chlorotic margins.
Bacterial canker | Cherry
DISEASE: Bacterial canker
HOST: Cherry (Prunus avium)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: S. Thomson
DISEASE: Bacterial gall
HOST: Cherry
Small gall on twig.
Bacterial gall | Cherry
DISEASE: Bacterial gall
HOST: Cherry (Prunus avium)
PATHOGEN: Pseudomonas syringae pv. cerasicola
SOURCE: H. Kamiunten, M. Goto
DISEASE: Bacterial wilt
HOST: Strawberry
Advanced stage of wilt (center plant).
Bacterial wilt | Strawberry
DISEASE: Bacterial wilt
HOST: Strawberry (Fragaria × ananassa)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: M. Goto
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
DISEASE: Green petal disease
HOST: Strawberry
Diseased plant with button berries and green petals that turn red. The disease is caused by a subgroup of aster yellows.
Green petal disease | Strawberry
DISEASE: Green petal disease
HOST: Strawberry (Fragaria × ananassa)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: M. Clark