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: Bacterial leaf spot

HOST: Cowpea

Leaf spots vary in size from small to large and some fall out in time, leaving a shot-hole appearance.

Bacterial leaf spot | Cowpea

DISEASE: Bacterial leaf spot

HOST: Cowpea (Vigna unguiculata)

PATHOGEN: Xanthomonas axonopodis pv. vignicola

PATHOGEN SYNONYM: Xanthomonas campestris pv. vignicola

SOURCE: R. Gitaitis

DISEASE: Bacterial leaf spot

HOST: Cowpea

Leaves with large, light brown necrotic areas.

Bacterial leaf spot | Cowpea

DISEASE: Bacterial leaf spot

HOST: Cowpea (Vigna unguiculata)

PATHOGEN: Xanthomonas axonopodis pv. vignicola

PATHOGEN SYNONYM: Xanthomonas campestris pv. vignicola

SOURCE: R. Gitaitis

DISEASE: Bacterial pustule

HOST: Soybean

Early symptoms are minute, pale green spots on young leaves. Later, small pustules form in the center of spots, best observed on underside of leaves. Spots vary in size and darken with age and lesions coalesce. Dead areas are torn away by wind.

Bacterial pustule | Soybean

DISEASE: Bacterial pustule

HOST: Soybean (Glycine max)

PATHOGEN: Xanthomonas axonopodis pv. glycines

PATHOGEN SYNONYM: Xanthomonas campestris pv. glycines

SOURCE: APS