RESULTS

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DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape

Stem necrosis of grape.

Bacterial blight (Bacterial necrosis) | Grape

DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape (Vitis vinifera)

PATHOGEN: Xylophilus ampelinus

PATHOGEN SYNONYM: Xanthomonas ampelina

SOURCE: N. Schaad

DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape

Stem with cankers and discolored external tissues.

Bacterial blight (Bacterial necrosis) | Grape

DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape (Vitis vinifera)

PATHOGEN: Xylophilus ampelinus

PATHOGEN SYNONYM: Xanthomonas ampelina

SOURCE: N. Schaad

DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape

Severe infection in vineyard is noted by dead canes. Symptoms are most severe in spring; shoot blight, occasional spots on leaves, and cankers are common.

Bacterial blight (Bacterial necrosis) | Grape

DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape (Vitis vinifera)

PATHOGEN: Xylophilus ampelinus

PATHOGEN SYNONYM: Xanthomonas ampelina

SOURCE: C. Manceau, N. Schaad

DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape

Leaf with necrotic spots and marginal necrosis. One-sided cracking of petiole tissue is common (not shown here).

Bacterial blight (Bacterial necrosis) | Grape

DISEASE: Bacterial blight (Bacterial necrosis)

HOST: Grape (Vitis vinifera)

PATHOGEN: Xylophilus ampelinus

PATHOGEN SYNONYM: Xanthomonas ampelina

SOURCE: C. Panagopoulos