DISEASE: Bacterial leaf spot and blight
HOST: Parsley
Blighted leaves with large, brown necrotic areas.
Bacterial leaf spot and blight | Parsley
DISEASE: Bacterial leaf spot and blight
HOST: Parsley (Petroselinum crispum)
PATHOGEN: Pseudomonas syringae pv. apii
SOURCE: APS
DISEASE: Bacterial leaf spot
HOST: Celery
Leaves with typical symptoms of rusty brown lesions with greasy appearance.
Bacterial leaf spot | Celery
DISEASE: Bacterial leaf spot
HOST: Celery (Apium graveolens)
PATHOGEN: Pseudomonas syringae pv. apii
SOURCE: R. Gilbertson
DISEASE: Bacterial leaf spot
HOST: Celery
Celery leaves with rusty brown lesions and some yellowing at leaf tips.
Bacterial leaf spot | Celery
DISEASE: Bacterial leaf spot
HOST: Celery (Apium graveolens)
PATHOGEN: Pseudomonas syringae pv. apii
SOURCE: S. Koike
DISEASE: Bacterial seedling blight
HOST: Rice
Brown, desiccated seedlings in nursery exhibiting basal chlorosis and withering of second and third leaves.
Bacterial seedling blight | Rice
DISEASE: Bacterial seedling blight
HOST: Rice (Oryza sativa)
PATHOGEN: Burkholderia plantarii
PATHOGEN SYNONYM: Pseudomonas plantarii
SOURCE: H. Honma, M. Goto
DISEASE: Bacterial seedling blight
HOST: Rice
Dead seedlings in half of nursery tray. Symptoms are basal chlorosis and withering of second and third leaves. Infected seedlings become reddish brown and desiccated in time.
Bacterial seedling blight | Rice
DISEASE: Bacterial seedling blight
HOST: Rice (Oryza sativa)
PATHOGEN: Burkholderia plantarii
PATHOGEN SYNONYM: Pseudomonas plantarii
SOURCE: K. Azegami, M. Goto
DISEASE: Bacterial seedling blight
HOST: Rice
Basal chlorosis and withering of second and third leaves. Seedlings become reddish brown with a dry appearance over time. Root growth is retarded and seedlings easily lodge.
Bacterial seedling blight | Rice
DISEASE: Bacterial seedling blight
HOST: Rice (Oryza sativa)
PATHOGEN: Burkholderia plantarii
PATHOGEN SYNONYM: Pseudomonas plantarii
SOURCE: K. Azegami
DISEASE: Bois noir disease
HOST: Grape
Severe symptoms of triangular-trapezoid-shaped leaves with desiccated appearance.
Bois noir disease | Grape
DISEASE: Bois noir disease
HOST: Grape (Vitis vinifera)
PATHOGEN: 'Candidatus Phytoplasma solani'
PATHOGEN SYNONYM: Phytoplasma Stolbur group
SOURCE: W. Schweigkofler
DISEASE: Bois noir disease
HOST: Grape
Leaves with disease symptoms identical to flavescence doree, a yellows disease caused by a different phytoplasma. The latter has a slightly different host range and is transmitted by a leafhopper.
Bois noir disease | Grape
DISEASE: Bois noir disease
HOST: Grape (Vitis vinifera)
PATHOGEN: 'Candidatus Phytoplasma solani'
PATHOGEN SYNONYM: Phytoplasma Stolbur group
SOURCE: W. Schweigkofler
DISEASE: Bois noir disease
HOST: Grape
Bois noir disease may be expressed on one branch while other branches appear healthy. Note trapezoid-shaped leaves.
Bois noir disease | Grape
DISEASE: Bois noir disease
HOST: Grape (Vitis vinifera 'Chardonnay')
PATHOGEN: 'Candidatus Phytoplasma solani'
PATHOGEN SYNONYM: Phytoplasma Stolbur group
SOURCE: W. Schweigkofler