RESULTS

(4)

FILTER

DISEASE: Bacterial blight

HOST: Lilac

Blighted twig with shriveled leaves and dark brown streaks on stem.

Bacterial blight | Lilac

DISEASE: Bacterial blight

HOST: Lilac (Syringa vulgaris)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: S. Thomson

DISEASE: Bacterial blight

HOST: Lilac

Lilac with blighted twigs.

Bacterial blight | Lilac

DISEASE: Bacterial blight

HOST: Lilac (Syringa vulgaris)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: W. Sinclair

DISEASE: Bacterial canker (Leaf spot)

HOST: Mume (Japanese apricot)

Leaves with spots surrounded by yellow halos.

Bacterial canker (Leaf spot) | Mume (Japanese apricot)

DISEASE: Bacterial canker (Leaf spot)

HOST: Mume (Japanese apricot) (Prunus mume)

PATHOGEN: Pseudomonas syringae pv. morsprunorum

SOURCE: M. Goto

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