DISEASE: Bacterial black leaf spot
HOST: Clover
White clover with brown necrotic spots.
Bacterial black leaf spot | Clover
DISEASE: Bacterial black leaf spot
HOST: Clover (Trifolium repens)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: M. Goto
DISEASE: Bacterial black leaf spot
HOST: Clover
White clover leaves with brownish spots and some yellowing occurring at the margins.
Bacterial black leaf spot | Clover
DISEASE: Bacterial black leaf spot
HOST: Clover (Trifolium repens)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: R. Gitaitis
DISEASE: Bacterial blast and black pit
HOST: Citrus (Lemon)
The term "black pit" refers to black lesions on fruit, which may be specks or large, sunken pits as seen here. They also may be light tan, later becoming reddish brown to black.
Bacterial blast and black pit | Citrus (Lemon)
DISEASE: Bacterial blast and black pit
HOST: Citrus (Lemon) (Citrus limon)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: J. Menge
DISEASE: Bacterial blight (Leaf spot)
HOST: Clover
Diseased leaf with elongated, reddish brown lesions, especially numerous on the margins.
Bacterial blight (Leaf spot) | Clover
DISEASE: Bacterial blight (Leaf spot)
HOST: Clover (Trifolium alexandrinum)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: M. Shurtleff
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Clover
Leafy gall on stem.
Bacterial fasciation (Leafy gall) | Clover
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Clover (Melilotus officinalis)
PATHOGEN: Rhodococcus fascians
SOURCE: H. van Hoof, M. Geesteranus
DISEASE: Bacterial leaf spot
HOST: Clover
Clover with reddish brown leaf spots, stem spots, and blighted stem.
Bacterial leaf spot | Clover
DISEASE: Bacterial leaf spot
HOST: Clover (Trifolium pratense)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: F. Frosheizer, M. Shurtleff
DISEASE: Bacterial stripe
HOST: Bird-of-Paradise
Bird-of-paradise with brownish black stripes along leaf veins and decay at midrib.
Bacterial stripe | Bird-of-Paradise
DISEASE: Bacterial stripe
HOST: Bird-of-Paradise (Strelitzia reginae)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: T. Makino, M. Goto
DISEASE: Bacterial wilt
HOST: Bird-of-Paradise
Bird-of-paradise with wilted and dead leaves.
Bacterial wilt | Bird-of-Paradise
DISEASE: Bacterial wilt
HOST: Bird-of-Paradise (Strelitzia reginae)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: T. Saito, M. Goto
DISEASE: Bacterial wilt
HOST: Bird-of-Paradise
Bird-of-paradise (sliced section) with rotted stele in diseased rhizome. Note discolored vascular bundles of leaf petioles.
Bacterial wilt | Bird-of-Paradise
DISEASE: Bacterial wilt
HOST: Bird-of-Paradise (Strelitzia reginae)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: T. Saito, M. Goto