RESULTS

(5)

FILTER

DISEASE: Bacterial blight

HOST: Lilac

Blighted twig with shriveled leaves and dark brown streaks on stem.

Bacterial blight | Lilac

DISEASE: Bacterial blight

HOST: Lilac (Syringa vulgaris)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: S. Thomson

DISEASE: Bacterial blight

HOST: Lilac

Lilac with blighted twigs.

Bacterial blight | Lilac

DISEASE: Bacterial blight

HOST: Lilac (Syringa vulgaris)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: W. Sinclair

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

DISEASE: Elm yellows

HOST: Elm

Elm yellows is characterized by witches'-brooms and stunting. Some cultivars have both yellow and reddish foliar discoloration.

Elm yellows | Elm

DISEASE: Elm yellows

HOST: Elm (Ulmus parvifolia)

PATHOGEN: 'Candidatus Phytoplasma ulmi'

PATHOGEN SYNONYM: Phytoplasma Elm yellows group

SOURCE: W. Sinclair