RESULTS

(5)

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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 wilt

HOST: Pothos

Pothos with infected stem and petioles.

Bacterial wilt | Pothos

DISEASE: Bacterial wilt

HOST: Pothos (Epipremnum aureum)

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: D. Norman

DISEASE: Bacterial wilt

HOST: Pothos

Plant with severely infected leaves and stems.

Bacterial wilt | Pothos

DISEASE: Bacterial wilt

HOST: Pothos (Epipremnum aureum)

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: D. Norman

DISEASE: Pear decline

HOST: Pear

'Bartlett' pears were grafted onto tolerant rootstock. All trees are infected. Note yellowish, diseased branches.

Pear decline | Pear

DISEASE: Pear decline

HOST: Pear (Pyrus communis 'Bartlett')

PATHOGEN: 'Candidatus Phytoplasma pyri'

PATHOGEN SYNONYM: Phytoplasma Apple proliferation group

SOURCE: C. Smart