RESULTS

(3)

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

HOST: Croton

Tan, irregular-sized lesions on lower leaf surfaces.

Bacterial leaf spot | Croton

DISEASE: Bacterial leaf spot

HOST: Croton (Codiaeum variegatum var. pictum)

PATHOGEN: Xanthomonas axonopodis pv. poinsettiicola

PATHOGEN SYNONYM: Xanthomonas campestris pv. poinsettiicola

SOURCE: J. Yuen

DISEASE: Bacterial wilt

HOST: Squash

Field with severe symptoms of wilt. Foliage often is chlorotic and leaf margins may be chlorotic and necrotic before plant death. Bacterial ooze may be seen streaming from the xylem when infected stems are cut.

Bacterial wilt | Squash

DISEASE: Bacterial wilt

HOST: Squash (Cucurbita maxima)

PATHOGEN: Erwinia tracheiphila

SOURCE: B. Jacobsen, M. Shurtleff