RESULTS

(7)

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 seed and seedling rot

HOST: Geranium

Cotyledons with water-soaked spots.

Bacterial seed and seedling rot | Geranium

DISEASE: Bacterial seed and seedling rot

HOST: Geranium (Pelargonium sp.)

PATHOGEN: Paenibacillus sp.

SOURCE: A. Magyarosy, D. Thomas

DISEASE: Bacterial seed and seedling rot

HOST: Geranium

Rotted and discolored seeds (right). Healthy seeds (left).

Bacterial seed and seedling rot | Geranium

DISEASE: Bacterial seed and seedling rot

HOST: Geranium (Pelargonium sp.)

PATHOGEN: Paenibacillus sp.

SOURCE: A. Magyarosy, D. Thomas

DISEASE: Sour skin

HOST: Onion

Symptoms of sour skin are characterized by slimy, pale yellow to light brown decay.

Sour skin | Onion

DISEASE: Sour skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia cepacia

PATHOGEN SYNONYM: Pseudomonas cepacia

SOURCE: Dep. of Agric. & Agri-Food, Government of Canada

DISEASE: Sour skin

HOST: Onion

Characteristic pale yellow to browning of infected area.

Sour skin | Onion

DISEASE: Sour skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia cepacia

PATHOGEN SYNONYM: Pseudomonas cepacia

SOURCE: R. Gitaitis