RESULTS

(32)

FILTER

DISEASE: Center rot

HOST: Onion

Early symptoms of disease are necrotic, bleached areas on young leaves that typically wilt.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: R. Gitaitis

DISEASE: Center rot

HOST: Onion

Advanced stage of center rot. The bacterium has moved down from leaves into the bulb.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: H. Schwartz

DISEASE: Center rot

HOST: Onion

Bulb with pale yellow, discolored decayed area.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: H. Schwartz

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: 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

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

DISEASE: Wildfire

HOST: Soybean

Close-up of lesions with large, yellow halos.

Wildfire | Soybean

DISEASE: Wildfire

HOST: Soybean (Glycine max)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: J. Forsberg, M. Shurtleff

DISEASE: Wildfire

HOST: Soybean

Leaf with brown necrotic spots with yellow halos. During dry weather, lesions become dry and dead areas tear off, leaving a tattered appearance.

Wildfire | Soybean

DISEASE: Wildfire

HOST: Soybean (Glycine max)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: D. Teakle