RESULTS

(3)

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DISEASE: Bacterial leaf spot

HOST: Ivy

English ivy leaves with typical chlorotic halos around spots.

Bacterial leaf spot | Ivy

DISEASE: Bacterial leaf spot

HOST: Ivy (Hedera helix)

PATHOGEN: Xanthomonas hortorum pv. hederae

PATHOGEN SYNONYM: Xanthomonas campestris pv. hederae

SOURCE: S. Thomson

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