RESULTS

(12)

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DISEASE: Carrot yellows

HOST: Carrot

Carrot with proliferation of roots. Initial symptoms include yellowing and narrowing of veins of young leaves. The entire leaf later becomes necrotic.

Carrot yellows | Carrot

DISEASE: Carrot yellows

HOST: Carrot (Daucus carota)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: G. S. Abawi

DISEASE: Slime flux

HOST: Willow

Foam at site of infection. Slime fluxes are common but the causal agent has not been identified.

Slime flux | Willow

DISEASE: Slime flux

HOST: Willow (Salix sp.)

PATHOGEN: Causal agent unknown

SOURCE: S. Thomson

DISEASE: Witches'-broom

HOST: Willow

Twig with witches'-broom symptoms.

Witches'-broom | Willow

DISEASE: Witches'-broom

HOST: Willow (Salix sp.)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: W. Sinclair