Search term:
Pseudomonas syringae pv. Syringae
DISEASE: Bacterial blight
HOST: Lilac
Blighted twig with shriveled leaves and dark brown streaks on stem.

Bacterial blight | Lilac
DISEASE: Bacterial blight
HOST: Lilac (Syringa vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: S. Thomson
DISEASE: Bacterial blight
HOST: Lilac
Lilac with blighted twigs.

Bacterial blight | Lilac
DISEASE: Bacterial blight
HOST: Lilac (Syringa vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: W. Sinclair
DISEASE: Bacterial brown spot
HOST: Bean
Bean with water-soaked and necrotic lesions on pods and leaves.

Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: H. Schwartz
DISEASE: Bacterial brown spot
HOST: Bean
Common bean with necrotic lesions on upper and lower surfaces of leaves. Lesions often are surrounded by bright yellow zones (not shown).

Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: H. Schwartz
DISEASE: Bacterial brown spot
HOST: Bean
Leaves of common bean with shot-holes, a late stage of disease.

Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: H. Schwartz
DISEASE: Bacterial brown spot
HOST: Bean
Leaves of dwarf bean exhibiting late stage of disease.

Bacterial brown spot | Bean
DISEASE: Bacterial brown spot
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: J. Young
DISEASE: Halo blight
HOST: Bean
Common bean with systemic chlorosis and distorted leaves.

Halo blight | Bean
DISEASE: Halo blight
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. phaseolicola
PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola
SOURCE: A. Hayward
DISEASE: Halo blight
HOST: Bean
Pods with water-soaked lesions and greasy spots.

Halo blight | Bean
DISEASE: Halo blight
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. phaseolicola
PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola
SOURCE: A. Hayward
DISEASE: Halo blight
HOST: Bean
Late stage of halo blight with expanded necrotic lesions with no signs of water-soaking or halos.

Halo blight | Bean
DISEASE: Halo blight
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Pseudomonas syringae pv. phaseolicola
PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola
SOURCE: S. Thomson