RESULTS

(3)

FILTER

DISEASE: Bacterial leaf spot

HOST: Magnolia

Leaf with large, dark brown to black necrotic areas.

Bacterial leaf spot | Magnolia

DISEASE: Bacterial leaf spot

HOST: Magnolia (Magnolia grandiflora)

PATHOGEN: Pseudomonas cichorii

SOURCE: J. Mullen

DISEASE: Bacterial scab

HOST: Beet

Bacterial scab of table beet.

Bacterial scab | Beet

DISEASE: Bacterial scab

HOST: Beet (Beta vulgaris var. conditiva)

PATHOGEN: Pantoea agglomerans pv. betae

SOURCE: T. Burr

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