RESULTS

(8)

FILTER

DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna

Canna with blighted shoots and leaves.

Bacterial blight (Black leaf blight) | Canna

DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna (Canna indica)

PATHOGEN: Xanthomonas campestris pv. cannae

SOURCE: D. Shoenweiss, M. Shurtleff

DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna

Canna with yellowing and blackened tissues.

Bacterial blight (Black leaf blight) | Canna

DISEASE: Bacterial blight (Black leaf blight)

HOST: Canna (Canna sp.)

PATHOGEN: Xanthomonas campestris pv. cannae

SOURCE: A. Alvarez

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: 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