DISEASE: Bacterial blight
HOST: Hazelnut
Diseased young tree with discoloration of the cambium. Dieback of young twigs and branches is characteristic. Other typical symptoms are bud and twig necrosis and small, angular or round, water-soaked leaf spots.
Bacterial blight | Hazelnut
DISEASE: Bacterial blight
HOST: Hazelnut (Corylus americana)
PATHOGEN: Xanthomonas arboricola pv. corylina
SOURCE: J. Pscheidt
DISEASE: Bacterial blight
HOST: Rice
Gradation in blight symptoms. The disease begins as water-soaked streaks on leaves, which increase in length and width, becoming yellow and then white.
Bacterial blight | Rice
DISEASE: Bacterial blight
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzae
PATHOGEN SYNONYM: Xanthomonas campestris pv. oryzae
SOURCE: T. Mew
DISEASE: Bacterial blight
HOST: Rice
Yellow leaf stripe that later turns white.
Bacterial blight | Rice
DISEASE: Bacterial blight
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzae
PATHOGEN SYNONYM: Xanthomonas campestris pv. oryzae
SOURCE: A. Alvarez
DISEASE: Bacterial blight
HOST: Rice
Infected leaves have grayish white lesions with wavy margins.
Bacterial blight | Rice
DISEASE: Bacterial blight
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzae
PATHOGEN SYNONYM: Xanthomonas campestris pv. oryzae
SOURCE: M. Goto
DISEASE: Bacterial blight
HOST: Rice
Gray leaf lesions typical of bacterial blight.
Bacterial blight | Rice
DISEASE: Bacterial blight
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzae
PATHOGEN SYNONYM: Xanthomonas campestris pv. oryzae
SOURCE: T. Mew
DISEASE: Bacterial blight
HOST: Rice
Paddy of dead seedlings with white leaves, characteristic of kresek stage of disease.
Bacterial blight | Rice
DISEASE: Bacterial blight
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzae
PATHOGEN SYNONYM: Xanthomonas campestris pv. oryzae
SOURCE: T. Mew
DISEASE: Bacterial blight
HOST: Rice
The disease causes rolling of leaf tips. In the acute stage, symptoms are wilting and yellowing of leaves, followed by death.
Bacterial blight | Rice
DISEASE: Bacterial blight
HOST: Rice (Oryza sativa)
PATHOGEN: Xanthomonas oryzae pv. oryzae
PATHOGEN SYNONYM: Xanthomonas campestris pv. oryzae
SOURCE: M. Goto
DISEASE: Bacterial leaf spot
HOST: Mustard
Leaf with yellowish brown lesions with some chlorosis.
Bacterial leaf spot | Mustard
DISEASE: Bacterial leaf spot
HOST: Mustard (Brassica juncea)
PATHOGEN: Xanthomonas campestris pv. raphani
SOURCE: M. Goto
DISEASE: Xanthomonas leaf spot
HOST: Cabbage
Cabbage leaf with small lesions. Lesions may enlarge and coalesce, causing distortion. Stem lesions are black and sunken and may cause death of the plants.
Xanthomonas leaf spot | Cabbage
DISEASE: Xanthomonas leaf spot
HOST: Cabbage (Brassica oleracea var. capitata)
PATHOGEN: Xanthomonas campestris pv. raphani
SOURCE: R. Gitaitis