DISEASE: Bacterial spot
HOST: Tomato
Green fruit with dark brown lesions. The bacterial spot xanthomonads are Xanthomonas euvesicatoria, X. vesicatoria, X. perforans, and X. gardneri. X. perforans is not known to infect fruit.
Bacterial spot | Tomato
DISEASE: Bacterial spot
HOST: Tomato (Lycopersicon esculentum)
PATHOGEN: Xanthomonas bacterial spot pathogens
PATHOGEN SYNONYM: Xanthomonas axonopodis pv. vesicatoria
SOURCE: S. Miller
DISEASE: Bacterial spot
HOST: Tomato
Ripe fruit with dark brown spots. The bacterial spot xanthomonads are Xanthomonas euvesicatoria, X. vesicatoria, X. perforans, and X. gardneri. X. perforans is not known to infect fruit.
Bacterial spot | Tomato
DISEASE: Bacterial spot
HOST: Tomato (Lycopersicon esculentum)
PATHOGEN: Xanthomonas bacterial spot pathogens
PATHOGEN SYNONYM: Xanthomonas axonopodis pv. vesicatoria
SOURCE: M. Goto
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Barley
Black chaff is characterized by water-soaked and darkened glumes on barley heads and streaks and stripes on leaves.
Black chaff (Bacterial leaf streak) | Barley
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Barley (Hordeum vulgare)
PATHOGEN: Xanthomonas translucens pv. undulosa
SOURCE: S. Thomson
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Barley
Leaf with linear, water-soaked lesions that turn necrotic and brown. Flakes of dry bacterial exudate are apparent on the lesions. The pathogen also causes black glume of barley.
Black chaff (Bacterial leaf streak) | Barley
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Barley (Hordeum vulgare)
PATHOGEN: Xanthomonas translucens pv. undulosa
SOURCE: S. Thomson
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat
Water-soaked stage of leaf streak.
Black chaff (Bacterial leaf streak) | Wheat
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat (Triticum aestivum)
PATHOGEN: Xanthomonas translucens pv. undulosa
SOURCE: S. Thomson
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat
Interveinal brown streaks and blotches on wheat leaves, a late stage of disease. Symptoms may be confused with other diseases.
Black chaff (Bacterial leaf streak) | Wheat
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat (Triticum aestivum)
PATHOGEN: Xanthomonas translucens pv. undulosa
SOURCE: R. Kilpatrick
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat
Brownish black streaks and blotches on glumes.
Black chaff (Bacterial leaf streak) | Wheat
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat (Triticum aestivum)
PATHOGEN: Xanthomonas translucens pv. undulosa
SOURCE: M. Boosalis
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat
Leaves with blighted leaf tips, and blades with brownish red streaks.
Black chaff (Bacterial leaf streak) | Wheat
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheat (Triticum aestivum)
PATHOGEN: Xanthomonas translucens pv. undulosa
SOURCE: L. Claflin