DISEASE: Bacterial blight
HOST: Photinia
Symptoms of photinia bud blight shown here are similar to those of blast of pear and apple, caused by Pseudomonas syringae pv. syringae.
Bacterial blight | Photinia
DISEASE: Bacterial blight
HOST: Photinia (Photinia glabra)
PATHOGEN: Pseudomonas syringae pv. photiniae
SOURCE: M. Goto
DISEASE: Bacterial leaf spot
HOST: Bougainvillea
Bougainvillea with reddish brown, angular, vein-delimited spots and leaf distortion.
Bacterial leaf spot | Bougainvillea
DISEASE: Bacterial leaf spot
HOST: Bougainvillea (Bougainvillea sp.)
PATHOGEN: Burkholderia andropogonis
PATHOGEN SYNONYM: Pseudomonas andropogonis
SOURCE: A. Hayward
DISEASE: Crown gall
HOST: Grape
Gall on base of 'Zinfandel' grape in California, where aerial galls are less common because of dry, hot weather.
Crown gall | Grape
DISEASE: Crown gall
HOST: Grape (Vitis vinifera 'Zinfandel')
PATHOGEN: Agrobacterium vitis
PATHOGEN SYNONYM: Rhizobium vitus
SOURCE: M. Schroth