DISEASE: Bacterial leaf spot
HOST: Radish
Leaf with brown lesions, some with a water-soaked appearance.
Bacterial leaf spot | Radish
DISEASE: Bacterial leaf spot
HOST: Radish (Raphanus sativus var. longipinnatus)
PATHOGEN: Pseudomonas syringae pv. maculicola
SOURCE: J. Togashi, M. Goto
DISEASE: Bacterial soft rot
HOST: Radish
Rot and collapse of internal root tissues.
Bacterial soft rot | Radish
DISEASE: Bacterial soft rot
HOST: Radish (Raphanus sativus var. longipinnatus)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: M. Goto
DISEASE: Bacterial wilt
HOST: Grass
Wilted and dead patches of diseased creeping bent grass (Toronto grass) on golf green.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Agrostis stolonifera)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: D. Roberts
DISEASE: Bacterial wilt
HOST: Grass
Irregular disease patterns on golf green. The cultivars Toronto, Cohansey, and Nimisilia are primary hosts of the disease.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Agrostis stolonifera)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: D. Roberts
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheatgrass
Lesions on leaves first appear as water-soaked, translucent, long, narrow streaks. They later turn brown and necrotic and often coalesce into blighted areas.
Black chaff (Bacterial leaf streak) | Wheatgrass
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheatgrass (Elytrigia intermedia)
PATHOGEN: Xanthomonas translucens pv. cerealis
SOURCE: S. Mohan
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheatgrass
Close-up of leaf with brown necrotic streaks.
Black chaff (Bacterial leaf streak) | Wheatgrass
DISEASE: Black chaff (Bacterial leaf streak)
HOST: Wheatgrass (Elytrigia intermedia)
PATHOGEN: Xanthomonas translucens pv. cerealis
SOURCE: S. Mohan