RESULTS

(5)

FILTER

DISEASE: Bacterial leaf spot

HOST: Pellionia

Leaves with dry, irregularly shaped lesions with corky, raised borders on upper surface.

Bacterial leaf spot | Pellionia

DISEASE: Bacterial leaf spot

HOST: Pellionia (Pellionia sp.)

PATHOGEN: Xanthomonas campestris

SOURCE: A. Chase

DISEASE: Bacterial leaf spot

HOST: Pellionia

Leaf lesions are irregular, corky, and slightly raised on lower leaf surfaces. Lesions may fall out, leaving a shot-hole appearance.

Bacterial leaf spot | Pellionia

DISEASE: Bacterial leaf spot

HOST: Pellionia (Pellionia sp.)

PATHOGEN: Xanthomonas campestris

SOURCE: H. Schwartz

DISEASE: Bacterial wilt

HOST: Grass

Wilted and dead patches of diseased creeping bent grass (Toronto grass) on golf green.

Bacterial wilt | Grass

DISEASE: Bacterial wilt

HOST: Grass (Agrostis stolonifera)

PATHOGEN: Xanthomonas translucens pv. poae

SOURCE: D. Roberts

DISEASE: Bacterial wilt

HOST: Grass

Irregular disease patterns on golf green. The cultivars Toronto, Cohansey, and Nimisilia are primary hosts of the disease.

Bacterial wilt | Grass

DISEASE: Bacterial wilt

HOST: Grass (Agrostis stolonifera)

PATHOGEN: Xanthomonas translucens pv. poae

SOURCE: D. Roberts

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