RESULTS

(8)

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: Dodonaea yellows

HOST: Florida hopbush

Hopbush with brownish red witches'-broom.

Dodonaea yellows | Florida hopbush

DISEASE: Dodonaea yellows

HOST: Florida hopbush (Dodonaea viscosa)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Borth

DISEASE: Dodonaea yellows

HOST: Florida hopbush

Advanced stage of dodonaea yellows and witches'-broom.

Dodonaea yellows | Florida hopbush

DISEASE: Dodonaea yellows

HOST: Florida hopbush (Dodonaea viscosa)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Borth

DISEASE: Oak leaf scorch

HOST: Oak

Oak with scorched leaf tips.

Oak leaf scorch | Oak

DISEASE: Oak leaf scorch

HOST: Oak (Quercus kelloggii)

PATHOGEN: Xylella fastidiosa

SOURCE: S. Kostka

DISEASE: Oak leaf scorch

HOST: Oak

Leaf with brown, marginal necrosis resembling a burn.

Oak leaf scorch | Oak

DISEASE: Oak leaf scorch

HOST: Oak (Quercus rubra)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

DISEASE: Oak leaf scorch

HOST: Oak

Diseased tree with brownish, scorched leaves.

Oak leaf scorch | Oak

DISEASE: Oak leaf scorch

HOST: Oak (Quercus rubra)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair