RESULTS

(18)

FILTER

DISEASE: Alfalfa dwarf

HOST: Alfalfa

Alfalfa dwarf is characterized by stunted plants (left), usually dark blue-green in color. Xylem tissues become brown, especially when exposed to air.

Alfalfa dwarf | Alfalfa

DISEASE: Alfalfa dwarf

HOST: Alfalfa (Medicago sativa)

PATHOGEN: Xylella fastidiosa

SOURCE: R. M. Davis

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 fasciation (Leafy gall)

HOST: Begonia

Leafy gall on stem.

Bacterial fasciation (Leafy gall) | Begonia

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Begonia (Begonia sp.)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Geesteranus, J. van der Wolf

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Chrysanthemum

Fasciation of chrysanthemum.

Bacterial fasciation (Leafy gall) | Chrysanthemum

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Chrysanthemum (Chrysanthemum morifolium)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Schroth

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Clover

Leafy gall on stem.

Bacterial fasciation (Leafy gall) | Clover

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Clover (Melilotus officinalis)

PATHOGEN: Rhodococcus fascians

SOURCE: H. van Hoof, M. Geesteranus

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Coreopsis

Bacterial fasciation of coreopsis.

Bacterial fasciation (Leafy gall) | Coreopsis

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Coreopsis (Coreopsis sp.)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Putnam