RESULTS

(8)

FILTER

DISEASE: Ash yellows

HOST: Ash

Ash sapling with basal sprouts and chlorotic leaves.

Ash yellows | Ash

DISEASE: Ash yellows

HOST: Ash (Fraxinus pennsylvanica)

PATHOGEN: 'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM: Phytoplasma Ash yellows group

SOURCE: W. Sinclair

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: Ash yellows

HOST: Ash

Forest of declining trees, some chlorotic and others with dieback.

Ash yellows | Ash

DISEASE: Ash yellows

HOST: Ash (Fraxinus americana)

PATHOGEN: 'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM: Phytoplasma Ash yellows group

SOURCE: W. Sinclair

DISEASE: Ash yellows

HOST: Ash

White ash with deliquescent branching.

Ash yellows | Ash

DISEASE: Ash yellows

HOST: Ash (Fraxinus americana)

PATHOGEN: 'Candidatus Phytoplasma fraxini'

PATHOGEN SYNONYM: Phytoplasma Ash yellows group

SOURCE: W. Sinclair

DISEASE: Bacterial blight

HOST: Photinia

Symptoms of photinia bud blight shown here are similar to those of blast of pear and apple, caused by Pseudomonas syringae pv. syringae.

Bacterial blight | Photinia

DISEASE: Bacterial blight

HOST: Photinia (Photinia glabra)

PATHOGEN: Pseudomonas syringae pv. photiniae

SOURCE: M. Goto

DISEASE: Fire blight

HOST: Photinia

Fire blight cankers on photinia.

Fire blight | Photinia

DISEASE: Fire blight

HOST: Photinia (Photinia fraseri)

PATHOGEN: Erwinia amylovora

SOURCE: M. Schroth

DISEASE: Fire blight

HOST: Photinia

Typical crook neck symptom of infected shoot.

Fire blight | Photinia

DISEASE: Fire blight

HOST: Photinia (Photinia fraseri)

PATHOGEN: Erwinia amylovora

SOURCE: M. Schroth

DISEASE: Witches'-broom

HOST: Paulownia (Empress tree)

Witches'-broom of paulownia.

Witches'-broom | Paulownia (Empress tree)

DISEASE: Witches'-broom

HOST: Paulownia (Empress tree) (Paulownia tomentosa)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: R. Davis, M. Davis