RESULTS

(5)

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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: Xanthomonas leaf spot

HOST: Cabbage

Cabbage leaf with small lesions. Lesions may enlarge and coalesce, causing distortion. Stem lesions are black and sunken and may cause death of the plants.

Xanthomonas leaf spot | Cabbage

DISEASE: Xanthomonas leaf spot

HOST: Cabbage (Brassica oleracea var. capitata)

PATHOGEN: Xanthomonas campestris pv. raphani

SOURCE: R. Gitaitis

DISEASE: Yellow wilt

HOST: Beet

Symptoms of this disease are yellow leaves, wilting, and then collapse. There may be dwarfing of new leaves, yellowing of sectors, and chlorosis of veins.

Yellow wilt | Beet

DISEASE: Yellow wilt

HOST: Beet (Beta vulgaris)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: F. Hills

DISEASE: Yellow wilt

HOST: Beet

Yellowing and dwarfing of sugar beet (left), an early stage of disease.

Yellow wilt | Beet

DISEASE: Yellow wilt

HOST: Beet (Beta vulgaris)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: J. McFarlane