RESULTS

(4)

FILTER

DISEASE: Bacterial blight (Leaf spot)

HOST: Clover

Diseased leaf with elongated, reddish brown lesions, especially numerous on the margins.

Bacterial blight (Leaf spot) | Clover

DISEASE: Bacterial blight (Leaf spot)

HOST: Clover (Trifolium alexandrinum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: M. Shurtleff

DISEASE: Bacterial wilt

HOST: Muskmelon

Severely diseased plants as noted by dying runners.

Bacterial wilt | Muskmelon

DISEASE: Bacterial wilt

HOST: Muskmelon (Cucumis melo)

PATHOGEN: Erwinia tracheiphila

SOURCE: M. Shurtleff

DISEASE: Bacterial wilt

HOST: Muskmelon

Wilt-devastated muskmelon field.

Bacterial wilt | Muskmelon

DISEASE: Bacterial wilt

HOST: Muskmelon (Cucumis melo)

PATHOGEN: Erwinia tracheiphila

SOURCE: M. Shurtleff

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