DISEASE: Ash yellows
HOST: Ash
Witches'-broom at base of declining tree.
Ash yellows | Ash
DISEASE: Ash yellows
HOST: Ash (Fraxinus velutina)
PATHOGEN: 'Candidatus Phytoplasma fraxini'
PATHOGEN SYNONYM: Phytoplasma Ash yellows group
SOURCE: W. Sinclair
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Viola (Horned violet)
The disease causes distortion and overgrowth of axillary buds.
Bacterial fasciation (Leafy gall) | Viola (Horned violet)
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Viola (Horned violet) (Viola cornuta)
PATHOGEN: Rhodococcus fascians
SOURCE: M. Putnam
DISEASE: Bacterial leaf spot
HOST: Kudzu
Leaf of kudzu bean with tiny lesions surrounded by large, yellow halos. This also fits the description of halo blight of kudzu.
Bacterial leaf spot | Kudzu
DISEASE: Bacterial leaf spot
HOST: Kudzu (Pueraria montana var. lobata)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: R. Gitaitis