DISEASE: Bacterial blight
HOST: Tulip
The disease causes white veins of leaves, yellow vascular bundles, and yellow bacterial slime on bulbs.
Bacterial blight | Tulip
DISEASE: Bacterial blight
HOST: Tulip (Tulipa sp. 'Paul Richter')
PATHOGEN: Curtobacterium flaccumfaciens pv. oortii
PATHOGEN SYNONYM: Corynebacterium flaccumfaciens subsp. oortii
SOURCE: M. Geesteranus, J. van der Wolf
DISEASE: Bacterial blight
HOST: Tulip
Stunted plants with wrinkled leaves.
Bacterial blight | Tulip
DISEASE: Bacterial blight
HOST: Tulip (Tulipa sp. 'Paul Richter')
PATHOGEN: Curtobacterium flaccumfaciens pv. oortii
PATHOGEN SYNONYM: Corynebacterium flaccumfaciens subsp. oortii
SOURCE: M. Geesteranus, J. van der Wolf
DISEASE: Bacterial wilt
HOST: Grass
Initial symptom is a lime-green, yellow, or blue-green appearance of the grass. The next symptom is small, reddish brown spots on leaf blades.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Poa annua)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: P. H. Dernoeden
DISEASE: Bacterial wilt
HOST: Grass
Infected turf grass with patches of yellowing, wilted, and dead grass.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Poa annua)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: APS
DISEASE: Bacterial wilt
HOST: Grass
Late stage of disease development. Dead grass has a light brown or bleached tan appearance.
Bacterial wilt | Grass
DISEASE: Bacterial wilt
HOST: Grass (Poa annua)
PATHOGEN: Xanthomonas translucens pv. poae
SOURCE: P. H. Dernoeden
DISEASE: Gumming disease
HOST: Sugarcane
Symptoms include brownish red streaks on leaves with apical chlorosis. Streaks become necrotic with time. Plants are stunted with reddening of vascular bundles.
Gumming disease | Sugarcane
DISEASE: Gumming disease
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas axonopodis pv. vasculorum
PATHOGEN SYNONYM: Xanthomonas campestris pv. vasculorum
SOURCE: APS
DISEASE: Leaf scald
HOST: Sugarcane
Leaf symptoms of chlorosis and white, "pencil-line" streaks.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: R. Birch
DISEASE: Leaf scald
HOST: Sugarcane
Early stage of disease with white, "pencil-line" streaks on leaf.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: R. Birch
DISEASE: Leaf scald
HOST: Sugarcane
Leaf with brownish necrotic streaks, some reddish.
Leaf scald | Sugarcane
DISEASE: Leaf scald
HOST: Sugarcane (Saccharum officinarum)
PATHOGEN: Xanthomonas albilineans
SOURCE: D. Teakle