RESULTS

(5)

FILTER

DISEASE: Bacterial blight

HOST: Grass

Timothy grass with light-colored lesions caused by unidentified Xanthomonas sp.

Bacterial blight | Grass

DISEASE: Bacterial blight

HOST: Grass (Phleum pratense)

PATHOGEN: Xanthomonas sp.

SOURCE: M. Shurtleff

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 leaf spot (Blight)

HOST: Elderberry

Elderberry with dark brown to blackish angular leaf spots.

Bacterial leaf spot (Blight) | Elderberry

DISEASE: Bacterial leaf spot (Blight)

HOST: Elderberry (Sambucus racemosa)

PATHOGEN: Xanthomonas sp.

SOURCE: S. Mohan

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce

Leaf with black, greasy spots that tend to be vein delimited. Lesions begin as small, angular, water-soaked lesions that coalesce, resulting in large necrotic areas.

Bacterial leaf spot (Head rot) | Lettuce

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce (Lactuca sativa)

PATHOGEN: Xanthomonas axonopodis pv. vitians

PATHOGEN SYNONYM: Xanthomonas campestris pv. vitians

SOURCE: A. Alvarez