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 streak
HOST: Sorghum
Symptoms typically begin as water-soaked streaks expanding into irregular-shaped, reddish brown streaks. Symptoms are similar to bacterial leaf stripe.
Bacterial leaf streak | Sorghum
DISEASE: Bacterial leaf streak
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Xanthomonas vasicola pv. holcicola
SOURCE: J. Young
DISEASE: Bacterial leaf streak
HOST: Sorghum
Leaf with reddish purple, interveinal streaks.
Bacterial leaf streak | Sorghum
DISEASE: Bacterial leaf streak
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Xanthomonas vasicola pv. holcicola
SOURCE: L. Claflin
DISEASE: Pith necrosis
HOST: Geranium
Geranium with wilted, yellow necrotic leaves.
Pith necrosis | Geranium
DISEASE: Pith necrosis
HOST: Geranium (Pelargonium sp.)
PATHOGEN: Pseudomonas corrugata
SOURCE: A. Magyarosy, D. Thomas