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 spot
HOST: Pepper
Leaves with necrotic spots. The bacterial spot xanthomonads are Xanthomonas euvesicatoria, X. vesicatoria, and X. gardneri.
Bacterial spot | Pepper
DISEASE: Bacterial spot
HOST: Pepper (Capsicum annuum)
PATHOGEN: Xanthomonas bacterial spot pathogens
PATHOGEN SYNONYM: Xanthomonas axonopodis pv. vesicatoria
SOURCE: APS
DISEASE: Bacterial spot
HOST: Pepper
Leaves with water-soaked and brown necrotic lesions. Disease xanthomonads are Xanthomonas euvesicatoria, X. vesicatoria, and X. gardneri.
Bacterial spot | Pepper
DISEASE: Bacterial spot
HOST: Pepper (Capsicum annuum)
PATHOGEN: Xanthomonas bacterial spot pathogens
PATHOGEN SYNONYM: Xanthomonas axonopodis pv. vesicatoria
SOURCE: B. S. Kim
DISEASE: Bacterial spot
HOST: Pepper
Leaves with broad necrotic lesions. Disease xanthomonads are Xanthomonas euvesicatoria, X. vesicatoria, and X. gardneri.
Bacterial spot | Pepper
DISEASE: Bacterial spot
HOST: Pepper (Capsicum annuum)
PATHOGEN: Xanthomonas bacterial spot pathogens
PATHOGEN SYNONYM: Xanthomonas axonopodis pv. vesicatoria
SOURCE: J. Jones
DISEASE: Bacterial spot
HOST: Pepper
Infected fruit with brown, wartlike lesions. The bacterial spot xanthomonads are Xanthomonas euvesicatoria, X. vesicatoria, and X. gardneri.
Bacterial spot | Pepper
DISEASE: Bacterial spot
HOST: Pepper (Capsicum annuum)
PATHOGEN: Xanthomonas bacterial spot pathogens
PATHOGEN SYNONYM: Xanthomonas axonopodis pv. vesicatoria
SOURCE: A. Alvarez
DISEASE: Bacterial spot
HOST: Pepper
Close-up of fruit with enlarged lesions with cracked, roughened, wartlike appearance. Disease xanthomonads are Xanthomonas euvesicatoria, X. vesicatoria, and X. gardneri.
Bacterial spot | Pepper
DISEASE: Bacterial spot
HOST: Pepper (Capsicum annuum)
PATHOGEN: Xanthomonas bacterial spot pathogens
PATHOGEN SYNONYM: Xanthomonas axonopodis pv. vesicatoria
SOURCE: APS
DISEASE: Bacterial wilt
HOST: Grass
Initial symptom is a lime-green, yellow, or blue-green appearance of the grass. The next symptom is small, reddish brown spots on leaf blades.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Poa annua)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: P. H. Dernoeden
DISEASE: Bacterial wilt
HOST: Grass
Infected turf grass with patches of yellowing, wilted, and dead grass.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Poa annua)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: APS
DISEASE: Bacterial wilt
HOST: Grass
Late stage of disease development. Dead grass has a light brown or bleached tan appearance.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Poa annua)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: P. H. Dernoeden