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World Encyclopedia of Plant Bacterial Diseases
RESULTS
(2)
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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:
Fire blight
HOST:
Scarlet firethorn
Pyracantha with blighted twig. Ingress was probably through blossoms. Cankers commonly occur on branches.
Fire blight
|
Scarlet firethorn
DISEASE:
Fire blight
HOST:
Scarlet firethorn (
Pyracantha coccinea
)
PATHOGEN:
Erwinia amylovora
SOURCE:
W. Sinclair