RESULTS

(8)

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DISEASE: Center rot

HOST: Onion

Early symptoms of disease are necrotic, bleached areas on young leaves that typically wilt.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: R. Gitaitis

DISEASE: Center rot

HOST: Onion

Advanced stage of center rot. The bacterium has moved down from leaves into the bulb.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: H. Schwartz

DISEASE: Center rot

HOST: Onion

Bulb with pale yellow, discolored decayed area.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: H. Schwartz

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Gall on gypsophila stem.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Gall 1 month after inoculation of stem.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Brown gall on crown of gypsophila.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Galls (left) caused by Pantoea agglomerans pv. agglomerans tend to be brownish, and those (right) caused by P. agglomerans pv. betae are white.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Syringae leaf spot

HOST: Tomato

Leaves with brown necrotic lesions and chlorotic margins. Symptoms vary greatly among cultivars. Some have black or brown lesions with bright yellow, chlorotic areas and others do not have yellowing.

Syringae leaf spot | Tomato

DISEASE: Syringae leaf spot

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: R. Gitaitis