RESULTS

(5)

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: Greasy center

HOST: Poinsettia

Stem with dark cankers and copious ooze. Necrotic areas are greasy in appearance and eventually turn light tan to brown with a papery texture as the cuticle becomes detached.

Greasy center | Poinsettia

DISEASE: Greasy center

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Pseudomonas viridiflava

SOURCE: R. Raabe

DISEASE: Red stripe (Top rot)

HOST: Sugarcane

Symptoms of disease are long, narrow, and sharply delineated red stripes. Top rot, another stage, may occur with or without red stripes.

Red stripe (Top rot) | Sugarcane

DISEASE: Red stripe (Top rot)

HOST: Sugarcane (Saccharum officinarum)

PATHOGEN: Acidovorax avenae

PATHOGEN SYNONYM: Acidovorax avenae subsp. avenae

SOURCE: APS