RESULTS

(5)

FILTER

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Blighted leaves and stems.

Bacterial leaf spot (Blight) | Poinsettia

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Curtobacterium flaccumfaciens pv. poinsettiae

SOURCE: APS

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Poinsettia with diseased stem. Woody stems may have a yellowed cortex and dark vascular tissues. The stem tip may curve with deformed terminal leaves.

Bacterial leaf spot (Blight) | Poinsettia

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Curtobacterium flaccumfaciens pv. poinsettiae

SOURCE: APS

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Leaves with small, dark spots, an early stage of disease.

Bacterial leaf spot (Blight) | Poinsettia

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Curtobacterium flaccumfaciens pv. poinsettiae

SOURCE: A. Alvarez

DISEASE: Bacterial leaf spot

HOST: Hibiscus

Hibiscus leaves with large, black spots with chlorosis occurring near some lesions.

Bacterial leaf spot | Hibiscus

DISEASE: Bacterial leaf spot

HOST: Hibiscus (Hibiscus sp.)

PATHOGEN: Xanthomonas campestris pv. esculenti

SOURCE: R. Raabe

DISEASE: Slippery skin

HOST: Onion

Rot progresses from the top of infected scales and eventually internal tissues rot. In early stages, the only external symptoms may be softening of the neck.

Slippery skin | Onion

DISEASE: Slippery skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia gladioli pv. alliicola

PATHOGEN SYNONYM: Pseudomonas gladioli pv. alliicola

SOURCE: H. Schwartz