RESULTS

(6)

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DISEASE: Almond leaf scorch

HOST: Almond

Light brown necrotic (scorched) areas on curling leaves.

Almond leaf scorch | Almond

DISEASE: Almond leaf scorch

HOST: Almond (Prunus dulcis)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

DISEASE: Almond leaf scorch

HOST: Almond

Dying almond trees with scorched appearance. Initial symptoms are marginal chlorosis, usually late in the year. Scorch often is first noted at leaf tips, symptoms worsen, and terminal branches may die.

Almond leaf scorch | Almond

DISEASE: Almond leaf scorch

HOST: Almond (Prunus dulcis)

PATHOGEN: Xylella fastidiosa

SOURCE: R. Davis, M. Davis

DISEASE: Bacterial pocket

HOST: Beet

Sugar beets with many small tubercles at infection sites.

Bacterial pocket | Beet

DISEASE: Bacterial pocket

HOST: Beet (Beta vulgaris)

PATHOGEN: Xanthomonas axonopodis pv. betlicola

PATHOGEN SYNONYM: Xanthomonas campestris pv. betlicola

SOURCE: C. Schneider

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