RESULTS

(9)

FILTER

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 hyperplastic canker

HOST: Almond

Diseased tree with multiple cankers. Margins of cankers are rough, soft, cheesy, dark brown, and have scalloped water-soaked spots that turn brown. Multiple cankers may girdle and kill small twigs.

Bacterial hyperplastic canker | Almond

DISEASE: Bacterial hyperplastic canker

HOST: Almond (Prunus dulcis)

PATHOGEN: Pseudomonas amygdali

SOURCE: P. Psallidas

DISEASE: Bacterial leaf spot

HOST: Cabbage

Cabbage leaves with irregular, brownish lesions. The bacterium does not invade vascular tissues.

Bacterial leaf spot | Cabbage

DISEASE: Bacterial leaf spot

HOST: Cabbage (Brassica oleracea var. capitata)

PATHOGEN: Xanthomonas campestris pv. armoraciae

SOURCE: R. Gitaitis

DISEASE: Bacterial leaf spot

HOST: Cabbage

Water-soaked lesions on underside of leaf (left), and water-soaked, large necrotic lesions on upper side (right).

Bacterial leaf spot | Cabbage

DISEASE: Bacterial leaf spot

HOST: Cabbage (Brassica oleracea var. capitata)

PATHOGEN: Xanthomonas campestris pv. armoraciae

SOURCE: R. Campbell

DISEASE: Bacterial leaf spot

HOST: Cabbage

Leaf with various stages of lesion development, including water-soaked lesions.

Bacterial leaf spot | Cabbage

DISEASE: Bacterial leaf spot

HOST: Cabbage (Brassica oleracea var. capitata)

PATHOGEN: Xanthomonas campestris pv. armoraciae

SOURCE: R. Campbell

DISEASE: Bacterial leaf spot

HOST: Cabbage

Cabbage leaves with many irregular, dark, water-soaked lesions.

Bacterial leaf spot | Cabbage

DISEASE: Bacterial leaf spot

HOST: Cabbage (Brassica oleracea var. capitata)

PATHOGEN: Xanthomonas campestris pv. armoraciae

SOURCE: R. Gitaitis

DISEASE: Bacterial leaf spot

HOST: Cabbage

Necrotic, light tan leaf spots, a late stage in disease development.

Bacterial leaf spot | Cabbage

DISEASE: Bacterial leaf spot

HOST: Cabbage (Brassica pekinensis)

PATHOGEN: Xanthomonas campestris pv. armoraciae

SOURCE: R. Campbell

DISEASE: Bacterial leaf spot

HOST: Turnip

Leaf with many tan, dry-appearing, angular spots.

Bacterial leaf spot | Turnip

DISEASE: Bacterial leaf spot

HOST: Turnip (Brassica rapa)

PATHOGEN: Xanthomonas campestris pv. armoraciae

SOURCE: R. Campbell