DISEASE: Bacterial stem rot
HOST: Dieffenbachia
Dieffenbachia with rot and decay of stem and leaf tissues.

Bacterial stem rot | Dieffenbachia
DISEASE: Bacterial stem rot
HOST: Dieffenbachia (Dieffenbachia seguine)
PATHOGEN: Dickeya dieffenbachiae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. dieffenbachiae
SOURCE: A. Alvarez
DISEASE: Bacterial stem rot
HOST: Dieffenbachia
Dieffenbachia with wilted and rotted leaves.

Bacterial stem rot | Dieffenbachia
DISEASE: Bacterial stem rot
HOST: Dieffenbachia (Dieffenbachia seguine)
PATHOGEN: Dickeya dieffenbachiae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. dieffenbachiae
SOURCE: R. Raabe
DISEASE: Bacterial stem rot
HOST: Dieffenbachia
Cross section of stem exposing rotted tissues.

Bacterial stem rot | Dieffenbachia
DISEASE: Bacterial stem rot
HOST: Dieffenbachia (Dieffenbachia seguine)
PATHOGEN: Dickeya dieffenbachiae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. dieffenbachiae
SOURCE: R. Raabe
DISEASE: Bacterial stem rot
HOST: Dieffenbachia
Leaf with rot and wilt.

Bacterial stem rot | Dieffenbachia
DISEASE: Bacterial stem rot
HOST: Dieffenbachia (Dieffenbachia seguine)
PATHOGEN: Dickeya dieffenbachiae
PATHOGEN SYNONYM: Erwinia chrysanthemi pv. dieffenbachiae
SOURCE: R. Raabe
DISEASE: Bacterial stem rot
HOST: Tomato
Stem with long necrotic lesions. The pathogen often enters plants following pruning injuries.

Bacterial stem rot | Tomato
DISEASE: Bacterial stem rot
HOST: Tomato (Lycopersicon esculentum)
PATHOGEN: Pectobacterium atrosepticum
PATHOGEN SYNONYM: Ewinia carotovora subsp. atroseptica
SOURCE: A. Alvarez
DISEASE: Bacterial stem rot
HOST: Tomato
Wilt is first symptom of disease. Later, the pith usually disintegrates, causing hollow and blackened stems.

Bacterial stem rot | Tomato
DISEASE: Bacterial stem rot
HOST: Tomato (Lycopersicon esculentum)
PATHOGEN: Pectobacterium atrosepticum
PATHOGEN SYNONYM: Erwinia carotovora subsp. atroseptica
SOURCE: M. Stanghelllini
DISEASE: Bacterial wilt
HOST: Bean
Bean leaf with white pustules following inoculation. Stem inoculation causes veinal yellowing and necrosis of leaves. Infected seed may be purple or yellow.

Bacterial wilt | Bean
DISEASE: Bacterial wilt
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Curtobacterium flaccumfaciens pv. flaccumfaciens
SOURCE: L. Claflin
DISEASE: Bacterial wilt
HOST: Bean
Leaves with interveinal chlorosis and necrosis. Healthy (right).

Bacterial wilt | Bean
DISEASE: Bacterial wilt
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Curtobacterium flaccumfaciens pv. flaccumfaciens
SOURCE: APS
DISEASE: Bacterial wilt
HOST: Bean
Bean seeds infected with orange (upper right), violet (upper left), and yellow (lower left) variants of Curtobacterium flaccumfaciens. White seed in the lower right is healthy.

Bacterial wilt | Bean
DISEASE: Bacterial wilt
HOST: Bean (Phaseolus vulgaris)
PATHOGEN: Curtobacterium flaccumfaciens pv. flaccumfaciens
SOURCE: APS