RESULTS

(5)

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DISEASE: Australian citrus dieback

HOST: Citrus (Grapefruit)

Leaves with mottled chlorosis.

Australian citrus dieback | Citrus (Grapefruit)

DISEASE: Australian citrus dieback

HOST: Citrus (Grapefruit) (Citrus paradisi)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: P. Broadbent

DISEASE: Australian citrus dieback

HOST: Citrus (Grapefruit)

Late stage of disease. Note yellowing of leaf veins and entire leaves.

Australian citrus dieback | Citrus (Grapefruit)

DISEASE: Australian citrus dieback

HOST: Citrus (Grapefruit) (Citrus paradisi)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: P. Broadbent

DISEASE: Citrus canker

HOST: Citrus (Grapefruit)

Grapefruit with corky, raised lesions.

Citrus canker | Citrus (Grapefruit)

DISEASE: Citrus canker

HOST: Citrus (Grapefruit) (Citrus paradisi)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: T. Gottwald

DISEASE: Slime flux

HOST: Elm

Although bacteria are associated with slime fluxes of many trees, the causal agents have not been identified.

Slime flux | Elm

DISEASE: Slime flux

HOST: Elm (Ulmus pumila)

PATHOGEN: Causal agent unknown

SOURCE: W. Sinclair

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

X-disease causes undersized, yellowish fruit. Diseased branches turn rusty red near end of season. Some defoliation occurs on diseased branches.

X-disease (Western X) or buckskin | Cherry

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry (Prunus cerasus)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: A. Jones