RESULTS

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DISEASE: European stone fruit yellows

HOST: Almond

The disease causes yellowing and rolling of leaves (right). Leaves become thick and rough in texture. Healthy leaves (left).

European stone fruit yellows | Almond

DISEASE: European stone fruit yellows

HOST: Almond (Prunus dulcis)

PATHOGEN: 'Candidatus Phytoplasma prunorum'

PATHOGEN SYNONYM: Phytoplasma Apple proliferation group

SOURCE: E. Seemueller

DISEASE: Fasciation (Shoot proliferation)

HOST: Heron's bill (Stork's bill)

Heron's bill with multiple shoots.

Fasciation (Shoot proliferation) | Heron's bill (Stork's bill)

DISEASE: Fasciation (Shoot proliferation)

HOST: Heron's bill (Stork's bill) (Erodium × variabile)

PATHOGEN: Rhodococcus fascians

SOURCE: M. Putnam

DISEASE: Strawberry yellows

HOST: Strawberry

Symptoms of disease are stunting and marginal chlorosis of younger leaves and purple or bronze pigmentation of older leaves. Infected plants usually die.

Strawberry yellows | Strawberry

DISEASE: Strawberry yellows

HOST: Strawberry (Fragaria × ananassa)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: R. S. Greber