RESULTS

(35)

FILTER

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

DISEASE: Bacterial wilt

HOST: Bean

Common bean with brownish purple discoloration of hypocotyl caused by infection from infested seed.

Bacterial wilt | Bean

DISEASE: Bacterial wilt

HOST: Bean (Phaseolus vulgaris)

PATHOGEN: Curtobacterium flaccumfaciens pv. flaccumfaciens

SOURCE: APS

DISEASE: Bacterial wilt

HOST: Bean

Dry bean with discoloration between veins and veinlets.

Bacterial wilt | Bean

DISEASE: Bacterial wilt

HOST: Bean (Phaseolus vulgaris)

PATHOGEN: Curtobacterium flaccumfaciens pv. flaccumfaciens

SOURCE: H. Schwartz

DISEASE: Bacterial wilt

HOST: Bean

Bean with severe symptoms of foliar wilt and necrosis.

Bacterial wilt | Bean

DISEASE: Bacterial wilt

HOST: Bean (Phaseolus vulgaris)

PATHOGEN: Curtobacterium flaccumfaciens pv. flaccumfaciens

SOURCE: H. Schwartz

DISEASE: Bacterial wilt

HOST: Bean

Dry bean with water-soaked and necrotic lesions on stem.

Bacterial wilt | Bean

DISEASE: Bacterial wilt

HOST: Bean (Phaseolus vulgaris)

PATHOGEN: Curtobacterium flaccumfaciens pv. flaccumfaciens

SOURCE: H. Schwartz

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: Halo blight

HOST: Bean

Chlorotic, systemic symptoms with necrotic lesions on leaves of 'Romano' common bean.

Halo blight | Bean

DISEASE: Halo blight

HOST: Bean (Phaseolus vulgaris 'Romano')

PATHOGEN: Pseudomonas syringae pv. phaseolicola

PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola

SOURCE: M. Schroth

DISEASE: Halo blight

HOST: Bean

Leaf of 'Bountiful' bean with chlorotic halos, an early stage of disease. Tiny water-soaked are difficult to see.

Halo blight | Bean

DISEASE: Halo blight

HOST: Bean (Phaseolus vulgaris 'Bountiful')

PATHOGEN: Pseudomonas syringae pv. phaseolicola

PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola

SOURCE: M. Schroth