DISEASE: Bacterial blight (Boll rot)
HOST: Cotton
Boll rot first appears as raised, water-soaked lesions, which become sunken and turn brown to black with time.
Bacterial blight (Boll rot) | Cotton
DISEASE: Bacterial blight (Boll rot)
HOST: Cotton (Gossypium barbadense)
PATHOGEN: Xanthomonas citri subsp. malvacearum
PATHOGEN SYNONYM: Xanthomonas campestris pv. malvacearum
SOURCE: A. Hayward
DISEASE: Bacterial blight (Boll rot)
HOST: Cotton
Infection of bolls causes premature opening and increased susceptibility to secondary, saprophytic microorganisms that cause rot. Note discolored cotton.
Bacterial blight (Boll rot) | Cotton
DISEASE: Bacterial blight (Boll rot)
HOST: Cotton (Gossypium barbadense)
PATHOGEN: Xanthomonas citri subsp. malvacearum
PATHOGEN SYNONYM: Xanthomonas campestris pv. malvacearum
SOURCE: APS
DISEASE: Basal rot
HOST: Cabbage
Severe basal rot of Chinese cabbage.
Basal rot | Cabbage
DISEASE: Basal rot
HOST: Cabbage (Brassica pekinensis)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: Y. Sakamoto, M. Goto
DISEASE: Basal rot
HOST: Cabbage
Chinese cabbage with rotted base.
Basal rot | Cabbage
DISEASE: Basal rot
HOST: Cabbage (Brassica pekinensis)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: Y. Sakamoto, M. Goto
DISEASE: Basal rot
HOST: Ornithogalum
Ornithogalum orchid with rot at leaf base.
Basal rot | Ornithogalum
DISEASE: Basal rot
HOST: Ornithogalum (Ornithogalum sp.)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: R. Raabe
DISEASE: Blood disease
HOST: Banana
Yellow leaves of dying plant.
Blood disease | Banana
DISEASE: Blood disease
HOST: Banana (Musa sp.)
PATHOGEN: Ralstonia solanacearum species complex
PATHOGEN SYNONYM: Ralstonia solanacearum (Phylotype IV)
SOURCE: I. Buddenhagen
DISEASE: Blood disease
HOST: Banana
Cross sections of diseased fruit with reddish discoloration and bacterial ooze.
Blood disease | Banana
DISEASE: Blood disease
HOST: Banana (Musa sp.)
PATHOGEN: Ralstonia solanacearum species complex
PATHOGEN SYNONYM: Ralstonia solanacearum (Phylotype IV)
SOURCE: I. Buddenhagen
DISEASE: Blood disease
HOST: Banana
Longitudinal sections (right) exposing reddish brown discoloration of infected fruit.
Blood disease | Banana
DISEASE: Blood disease
HOST: Banana (Musa sp.)
PATHOGEN: Ralstonia solanacearum species complex
PATHOGEN SYNONYM: Ralstonia solanacearum (Phylotype IV)
SOURCE: I. Buddenhagen
DISEASE: Blood disease
HOST: Banana
Diseased plant with wilt and yellowing of leaves. The disease occurs in Indonesia and is characterized by bright red discoloration of vascular tissues. It is caused by strains in the Ralstonia solanacearum species complex.
Blood disease | Banana
DISEASE: Blood disease
HOST: Banana (Musa sp.)
PATHOGEN: Ralstonia solanacearum species complex
PATHOGEN SYNONYM: Ralstonia solanacearum (Phylotype IV)
SOURCE: I. Buddenhagen