RESULTS

(13)

FILTER

DISEASE: Bacterial wilt

HOST: Alfalfa

Longitudinal section of defined brown gum pockets on inner surface of root bark.

Bacterial wilt | Alfalfa

DISEASE: Bacterial wilt

HOST: Alfalfa (Medicago sativa)

PATHOGEN: Clavibacter michiganensis subsp. insidiosus

SOURCE: S. Thomson

DISEASE: Bacterial wilt

HOST: Alfalfa

Infected plant (left) with typical symptoms of stunting and chlorosis. Other characteristic symptoms are spindly stems and small distorted leaflets. Healthy plant (right).

Bacterial wilt | Alfalfa

DISEASE: Bacterial wilt

HOST: Alfalfa (Medicago sativa)

PATHOGEN: Clavibacter michiganensis subsp. insidiosus

SOURCE: S. Thomson

DISEASE: Bacterial wilt

HOST: Alfalfa

Diseased plant with chlorotic leaves.

Bacterial wilt | Alfalfa

DISEASE: Bacterial wilt

HOST: Alfalfa (Medicago sativa)

PATHOGEN: Clavibacter michiganensis subsp. insidiosus

SOURCE: S. Thomson

DISEASE: Bacterial wilt

HOST: Alfalfa

Cross sections of diseased roots with defined brown gum pockets on inner surface of bark. Healthy root (upper left). Other sections represent increases in disease severity.

Bacterial wilt | Alfalfa

DISEASE: Bacterial wilt

HOST: Alfalfa (Medicago sativa)

PATHOGEN: Clavibacter michiganensis subsp. insidiosus

SOURCE: L. Claflin

DISEASE: Bacterial wilt

HOST: Grass

Initial symptom is a lime-green, yellow, or blue-green appearance of the grass. The next symptom is small, reddish brown spots on leaf blades.

Bacterial wilt | Grass

DISEASE: Bacterial wilt

HOST: Grass (Poa annua)

PATHOGEN: Xanthomonas translucens pv. poae

SOURCE: P. H. Dernoeden

DISEASE: Bacterial wilt

HOST: Grass

Infected turf grass with patches of yellowing, wilted, and dead grass.

Bacterial wilt | Grass

DISEASE: Bacterial wilt

HOST: Grass (Poa annua)

PATHOGEN: Xanthomonas translucens pv. poae

SOURCE: APS

DISEASE: Bacterial wilt

HOST: Grass

Late stage of disease development. Dead grass has a light brown or bleached tan appearance.

Bacterial wilt | Grass

DISEASE: Bacterial wilt

HOST: Grass (Poa annua)

PATHOGEN: Xanthomonas translucens pv. poae

SOURCE: P. H. Dernoeden

DISEASE: Bacterial wilt

HOST: Grass

Wilted and dead patches of diseased creeping bent grass (Toronto grass) on golf green.

Bacterial wilt | Grass

DISEASE: Bacterial wilt

HOST: Grass (Agrostis stolonifera)

PATHOGEN: Xanthomonas translucens pv. poae

SOURCE: D. Roberts

DISEASE: Bacterial wilt

HOST: Grass

Irregular disease patterns on golf green. The cultivars Toronto, Cohansey, and Nimisilia are primary hosts of the disease.

Bacterial wilt | Grass

DISEASE: Bacterial wilt

HOST: Grass (Agrostis stolonifera)

PATHOGEN: Xanthomonas translucens pv. poae

SOURCE: D. Roberts