DISEASE: Bacterial blast and fruit spot
HOST: Avocado
White bacterial ooze on surface of fruit. Pseudomonas strains that cause canker likely differ from those that infect fruit and leaves.
Bacterial blast and fruit spot | Avocado
DISEASE: Bacterial blast and fruit spot
HOST: Avocado (Persea americana)
PATHOGEN: Pseudomonas syringae
SOURCE: L. Fucikovsky
DISEASE: Bacterial blight
HOST: Persimmon
Diseased shoots with spots on leaves and necroses on stems.
Bacterial blight | Persimmon
DISEASE: Bacterial blight
HOST: Persimmon (Diospyros sp.)
PATHOGEN: Pseudomonas syringae
SOURCE: J. Young
DISEASE: Bacterial leaf spot (Head rot)
HOST: Lettuce
Leaf with black, greasy spots that tend to be vein delimited. Lesions begin as small, angular, water-soaked lesions that coalesce, resulting in large necrotic areas.
Bacterial leaf spot (Head rot) | Lettuce
DISEASE: Bacterial leaf spot (Head rot)
HOST: Lettuce (Lactuca sativa)
PATHOGEN: Xanthomonas axonopodis pv. vitians
PATHOGEN SYNONYM: Xanthomonas campestris pv. vitians
SOURCE: A. Alvarez
DISEASE: Bacterial pustule
HOST: Soybean
Early symptoms are minute, pale green spots on young leaves. Later, small pustules form in the center of spots, best observed on underside of leaves. Spots vary in size and darken with age and lesions coalesce. Dead areas are torn away by wind.
Bacterial pustule | Soybean
DISEASE: Bacterial pustule
HOST: Soybean (Glycine max)
PATHOGEN: Xanthomonas axonopodis pv. glycines
PATHOGEN SYNONYM: Xanthomonas campestris pv. glycines
SOURCE: APS
DISEASE: Cane blight
HOST: Rose
Rose with blighted necrotic cane.
Cane blight | Rose
DISEASE: Cane blight
HOST: Rose (Rosa sp.)
PATHOGEN: Pseudomonas syringae
SOURCE: S. Mohan