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: Bermudagrass white leaf

HOST: Grass

White leaf disease of bermudagrass.

Bermudagrass white leaf | Grass

DISEASE: Bermudagrass white leaf

HOST: Grass (Cynodon transvaalensis)

PATHOGEN: 'Candidatus Phytoplasma cynodontis'

PATHOGEN SYNONYM: Phytoplasma Bermuda white leaf group

SOURCE: M. Davis

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