DISEASE: Bacterial leaf spot (Blight)
HOST: Elderberry
Elderberry with dark brown to blackish angular leaf spots.
Bacterial leaf spot (Blight) | Elderberry
DISEASE: Bacterial leaf spot (Blight)
HOST: Elderberry (Sambucus racemosa)
PATHOGEN: Xanthomonas sp.
SOURCE: S. Mohan
DISEASE: Dogwood stunt
HOST: Dogwood
Diseased plant with small leaves (left).
Dogwood stunt | Dogwood
DISEASE: Dogwood stunt
HOST: Dogwood (Cornus sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: W. Sinclair
DISEASE: Fire blight
HOST: Plum
Typical symptoms of fire blight-infected, young European plum shoot.
Fire blight | Plum
DISEASE: Fire blight
HOST: Plum (Prunus domestica 'Empress')
PATHOGEN: Erwinia amylovora
SOURCE: S. Mohan
DISEASE: Fire blight
HOST: Plum
Diseased terminal shoot and advancing infection.
Fire blight | Plum
DISEASE: Fire blight
HOST: Plum (Prunus domestica 'Empress')
PATHOGEN: Erwinia amylovora
SOURCE: S. Mohan
DISEASE: Witches'-broom
HOST: Dogwood
Witches'-broom of eastern dogwood.
Witches'-broom | Dogwood
DISEASE: Witches'-broom
HOST: Dogwood (Cornus sp.)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: W. Sinclair