RESULTS

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DISEASE: Bacterial stem and root rot

HOST: Sweet potato

Collapse of stems and roots caused by systemic activity of the pathogen.

Bacterial stem and root rot | Sweet potato

DISEASE: Bacterial stem and root rot

HOST: Sweet potato (Ipomoea batatas)

PATHOGEN: Dickeya sp.

PATHOGEN SYNONYM: Erwinia chrysanthemi

SOURCE: N. Schaad

DISEASE: Bacterial stem and root rot

HOST: Sweet potato

Rot and collapse of stem, petioles, and leaves caused by systemic infection.

Bacterial stem and root rot | Sweet potato

DISEASE: Bacterial stem and root rot

HOST: Sweet potato (Ipomoea batatas)

PATHOGEN: Dickeya sp.

PATHOGEN SYNONYM: Erwinia chrysanthemi

SOURCE: N. Schaad

DISEASE: Bacterial stem and root rot

HOST: Sweet potato

Rot and internal discoloration of tuber.

Bacterial stem and root rot | Sweet potato

DISEASE: Bacterial stem and root rot

HOST: Sweet potato (Ipomoea batatas)

PATHOGEN: Dickeya sp.

PATHOGEN SYNONYM: Erwinia chrysanthemi

SOURCE: C. Clark

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

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