RESULTS

(16)

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DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia

Initial symptoms appear as small, blisterlike lesions. As lesions age, they enlarge, producing broad patches of necrotic leaf tissue.

Bacterial leaf spot (Blight) | Begonia

DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia (Begonia sp.)

PATHOGEN: Xanthomonas axonopodis pv. begoniae

PATHOGEN SYNONYM: Xanthomonas campestris pv. begoniae

SOURCE: APS

DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia

Advanced stage of disease with dark, large necrotic areas on leaves and interveinal chlorosis.

Bacterial leaf spot (Blight) | Begonia

DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia (Begonia sp.)

PATHOGEN: Xanthomonas axonopodis pv. begoniae

PATHOGEN SYNONYM: Xanthomonas campestris pv. begoniae

SOURCE: APS

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

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