DISEASE: Bacterial black leaf spot
HOST: Clover
White clover with brown necrotic spots.
![](/sites/default/files/plant_disease/images/0301.jpg)
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.
![](/sites/default/files/plant_disease/images/0302.jpg)
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 blight
HOST: Grass
Timothy grass with light-colored lesions caused by unidentified Xanthomonas sp.
![](/sites/default/files/plant_disease/images/0456.jpg)
Bacterial blight | Grass
DISEASE: Bacterial blight
HOST: Grass (Phleum pratense)
PATHOGEN: Xanthomonas sp.
SOURCE: M. Shurtleff
DISEASE: Bacterial blight
HOST: Gypsophila (Baby's breath)
Gypsophila (baby's breath) with light brown, marginal leaf lesions and distortion.
![](/sites/default/files/plant_disease/images/0458.jpg)
Bacterial blight | Gypsophila (Baby's breath)
DISEASE: Bacterial blight
HOST: Gypsophila (Baby's breath) (Gypsophila paniculata)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: A. Hayward
DISEASE: Bacterial leaf spot (Blight)
HOST: Elderberry
Elderberry with dark brown to blackish angular leaf spots.
![](/sites/default/files/plant_disease/images/0378.jpg)
Bacterial leaf spot (Blight) | Elderberry
DISEASE: Bacterial leaf spot (Blight)
HOST: Elderberry (Sambucus racemosa)
PATHOGEN: Xanthomonas sp.
SOURCE: S. Mohan
DISEASE: Bacterial leaf spot
HOST: Amaranth
Brown necrotic leaf spots surrounded by narrow, yellow halos.
![](/sites/default/files/plant_disease/images/0029.jpg)
Bacterial leaf spot | Amaranth
DISEASE: Bacterial leaf spot
HOST: Amaranth (Amaranthus cruentus)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: M. Goto
DISEASE: Bacterial leaf spot
HOST: Bean
Leaves of velvet bean with necrotic lesions.
![](/sites/default/files/plant_disease/images/0148.jpg)
Bacterial leaf spot | Bean
DISEASE: Bacterial leaf spot
HOST: Bean (Mucuna pruriens var. utilis)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: R. Gitaitis
DISEASE: Bacterial leaf spot
HOST: Bougainvillea
Bougainvillea with reddish brown, angular, vein-delimited spots and leaf distortion.
![](/sites/default/files/plant_disease/images/0172.jpg)
Bacterial leaf spot | Bougainvillea
DISEASE: Bacterial leaf spot
HOST: Bougainvillea (Bougainvillea sp.)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: A. Hayward
DISEASE: Bacterial leaf stripe
HOST: Sorghum
Diseased leaf with linear, interveinal stripes that are purplish red. They also can be yellow, tan, or purple depending upon host reaction.
![](/sites/default/files/plant_disease/images/0848.jpg)
Bacterial leaf stripe | Sorghum
DISEASE: Bacterial leaf stripe
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: R. Gitaitis