RESULTS

(4)

FILTER

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: Brown blotch

HOST: Mushroom

Black discoloration of basal portions of fruit bodies. Healthy (left).

Brown blotch | Mushroom

DISEASE: Brown blotch

HOST: Mushroom (Flammulina velutipes)

PATHOGEN: Pseudomonas tolaasii

SOURCE: K. Suyama, M. Goto

DISEASE: Brown blotch

HOST: Mushroom

Black discoloration of basal portion of fruit bodies.

Brown blotch | Mushroom

DISEASE: Brown blotch

HOST: Mushroom (Flammulina velutipes)

PATHOGEN: Pseudomonas tolaasii

SOURCE: K. Suyama, M. Goto

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