RESULTS

(3)

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DISEASE: Bacterial canker and blast

HOST: Apricot

Apricot with typical reddish brown-discolored tissues beneath the bark and gumming around infected areas.

Bacterial canker and blast | Apricot

DISEASE: Bacterial canker and blast

HOST: Apricot (Prunus armeniaca)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: S. Sampson, M. Shurtleff

DISEASE: Bacterial leaf streak and stripe

HOST: Grass

Vasey grass with yellowish to brownish red streaks and stripes.

Bacterial leaf streak and stripe | Grass

DISEASE: Bacterial leaf streak and stripe

HOST: Grass (Paspalum urvillei)

PATHOGEN: Acidovorax avenae

PATHOGEN SYNONYM: Acidovorax avenae subsp. avenae

SOURCE: R. Gitaitis

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