DISEASE: Bacterial rot
HOST: Dahlia
Longitudinal section of dahlia with discolored, rotted tissues.
Bacterial rot | Dahlia
DISEASE: Bacterial rot
HOST: Dahlia (Dahlia sp.)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: J. Young
DISEASE: Bacterial rot
HOST: Dracaena
Rot at base of leaves.
Bacterial rot | Dracaena
DISEASE: Bacterial rot
HOST: Dracaena (Dracaena deremensis)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: A. Alvarez
DISEASE: Bacterial rot
HOST: Dracaena
Systemic rot throughout central stems.
Bacterial rot | Dracaena
DISEASE: Bacterial rot
HOST: Dracaena (Dracaena deremensis)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: A. Chase
DISEASE: Bacterial rot
HOST: Fennel
Soft rot of fennel.
Bacterial rot | Fennel
DISEASE: Bacterial rot
HOST: Fennel (Foeniculum vulgare)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: R. Davis
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
DISEASE: Blossom blast
HOST: Apple
Many dead, shriveled flowers and young shoots. It differs from fire blight, with infections being relatively localized with the appearance of being "blasted".
Blossom blast | Apple
DISEASE: Blossom blast
HOST: Apple (Malus domestica)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: M. Schroth