RESULTS

(6)

FILTER

DISEASE: Bacterial blight (Brown stem)

HOST: Celery

Lesions are necrotic and circular to angular. Some have yellowish halos. Older lesions become brown and dry.

Bacterial blight (Brown stem) | Celery

DISEASE: Bacterial blight (Brown stem)

HOST: Celery (Apium graveolens)

PATHOGEN: Pseudomonas cichorii

SOURCE: R. Raid

DISEASE: Bacterial blight (Brown stem)

HOST: Celery

Ooze from lesion on celery leaf.

Bacterial blight (Brown stem) | Celery

DISEASE: Bacterial blight (Brown stem)

HOST: Celery (Apium graveolens)

PATHOGEN: Pseudomonas cichorii

SOURCE: R. Raid

DISEASE: Bacterial blight (Brown stem)

HOST: Celery

Characteristic brown discoloration of petioles, which is more evident on inside of petiole close to the crown. Parenchyma tissues are firm and brown.

Bacterial blight (Brown stem) | Celery

DISEASE: Bacterial blight (Brown stem)

HOST: Celery (Apium graveolens)

PATHOGEN: Pseudomonas cichorii

SOURCE: K. Pernezny

DISEASE: Enterobacter bulb decay

HOST: Onion

Onion bulb with extensive soft, brown rot.

Enterobacter bulb decay | Onion

DISEASE: Enterobacter bulb decay

HOST: Onion (Allium cepa)

PATHOGEN: Enterobacter cloacae

SOURCE: H. Schwartz

DISEASE: Sweet potato scab

HOST: Sweet potato

Tubers with large, dark scabs.

Sweet potato scab | Sweet potato

DISEASE: Sweet potato scab

HOST: Sweet potato (Ipomoea batatas)

PATHOGEN: Streptomyces ipomoeae

SOURCE: APS

DISEASE: Sweet potato scab

HOST: Sweet potato

Black and necrotic decay of fibrous roots.

Sweet potato scab | Sweet potato

DISEASE: Sweet potato scab

HOST: Sweet potato (Ipomoea batatas)

PATHOGEN: Streptomyces ipomoeae

SOURCE: W. Martin