RESULTS

(3)

FILTER

DISEASE: Bacterial blight

HOST: Mulberry

Leaf with numerous small, dark brown lesions with chlorotic halos.

Bacterial blight | Mulberry

DISEASE: Bacterial blight

HOST: Mulberry (Morus alba)

PATHOGEN: Pseudomonas syringae pv. mori

SOURCE: S. Thomson

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 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