RESULTS

(9)

FILTER

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Dahlia

Dalhlia tubers with proliferation and leaf development.

Bacterial fasciation (Leafy gall) | Dahlia

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Dahlia (Dahlia sp.)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Shurtleff

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Dahlia

Bacterial fasciation of dahlia tubers.

Bacterial fasciation (Leafy gall) | Dahlia

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Dahlia (Dahlia sp.)

PATHOGEN: Rhodococcus fascians

SOURCE: H. van Hoof, M. Geesteranus

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: Crown gall

HOST: Aspen

Aspen with large, encrusted gall.

Crown gall | Aspen

DISEASE: Crown gall

HOST: Aspen (Populus sp.)

PATHOGEN: Agrobacterium tumefaciens

PATHOGEN SYNONYM: Rhizobium sp.

SOURCE: S. Thomson

DISEASE: Crown gall

HOST: Dahlia

Crown gall of dahlia tubers. Note brownish, rough-surfaced galls, one of which shows rot. Galls often are infected by microorganisms that cause rot.

Crown gall | Dahlia

DISEASE: Crown gall

HOST: Dahlia (Dahlia sp.)

PATHOGEN: Agrobacterium tumefaciens

PATHOGEN SYNONYM: Rhizobium sp.

SOURCE: M. Shurtleff

DISEASE: X-disease (Eastern X)

HOST: Chokecherry

Shot-hole stage of X-disease.

X-disease (Eastern X) | Chokecherry

DISEASE: X-disease (Eastern X)

HOST: Chokecherry (Prunus virginiana)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Sinclair

DISEASE: X-disease (Eastern X)

HOST: Chokecherry

X-disease causes rosettes and premature loss of leaves.

X-disease (Eastern X) | Chokecherry

DISEASE: X-disease (Eastern X)

HOST: Chokecherry (Prunus virginiana)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Sinclair

DISEASE: X-disease (Eastern X)

HOST: Chokecherry

Chokecherry with stunted shoots, red leaves, and rosettes.

X-disease (Eastern X) | Chokecherry

DISEASE: X-disease (Eastern X)

HOST: Chokecherry (Prunus virginiana)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Sinclair

DISEASE: X-disease (Eastern X)

HOST: Chokecherry

Chokecherry with red leaves, rosettes, and bud loss.

X-disease (Eastern X) | Chokecherry

DISEASE: X-disease (Eastern X)

HOST: Chokecherry (Prunus virginiana)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Sinclair