RESULTS

(5)

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DISEASE: Bacterial blight

HOST: Poppy

The disease begins with water-soaked lesions that turn brown to black. They may be surrounded by a translucent ring. Buds, leaves, flowers, and pods are affected.

Bacterial blight | Poppy

DISEASE: Bacterial blight

HOST: Poppy (Eschscholzia californica)

PATHOGEN: Xanthomonas campestris pv. papavericola

SOURCE: M. Daughtrey

DISEASE: Bacterial leaf blight

HOST: Konjac (Devil's tongue)

Severely blighted leaves of konjac.

Bacterial leaf blight | Konjac (Devil's tongue)

DISEASE: Bacterial leaf blight

HOST: Konjac (Devil's tongue) (Amorphophallus konjaci)

PATHOGEN: Acidovorax konjaci

PATHOGEN SYNONYM: Pseudomonas avenae subsp. konjaci

SOURCE: N. Hayashi, M. Goto

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