DISEASE: Bacterial canker
HOST: Loquat
Branch with cankers.
Bacterial canker | Loquat
DISEASE: Bacterial canker
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Pseudomonas syringae pv. eriobotryae
SOURCE: M. Schroth
DISEASE: Bacterial leaf spot (Head rot)
HOST: Cauliflower
Leaves with tiny lesions surrounded by large halos.
Bacterial leaf spot (Head rot) | Cauliflower
DISEASE: Bacterial leaf spot (Head rot)
HOST: Cauliflower (Brassica oleracea var. botrytis)
PATHOGEN: Pseudomonas syringae pv. maculicola
SOURCE: R. Campbell
DISEASE: Bacterial leaf spot (Head rot)
HOST: Cauliflower
Section of a cauliflower head with discolored, infected tissues.
Bacterial leaf spot (Head rot) | Cauliflower
DISEASE: Bacterial leaf spot (Head rot)
HOST: Cauliflower (Brassica oleracea var. botrytis)
PATHOGEN: Pseudomonas syringae pv. maculicola
SOURCE: R. Campbell
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: Black rot
HOST: Cauliflower
Brown, necrotic, rotted areas on flower parts and typical V-shaped necrotic areas on leaf margins.
Black rot | Cauliflower
DISEASE: Black rot
HOST: Cauliflower (Brassica oleracea var. botrytis)
PATHOGEN: Xanthomonas campestris pv. campestris
SOURCE: B. Jacobsen, M. Shurtleff
DISEASE: Fire blight
HOST: Loquat
Shoot blight of loquat.
Fire blight | Loquat
DISEASE: Fire blight
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Erwinia amylovora
SOURCE: S. Manulis
DISEASE: Fire blight
HOST: Loquat
Fire blight-infected fruit.
Fire blight | Loquat
DISEASE: Fire blight
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Erwinia amylovora
SOURCE: S. Manulis
DISEASE: Fire blight
HOST: Loquat
Twig with reddish brown leaves, some dead, and blackened stem.
Fire blight | Loquat
DISEASE: Fire blight
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Erwinia amylovora
SOURCE: S. Manulis