RESULTS

(12)

FILTER

DISEASE: Halo blight

HOST: Yam bean

Leaves with necrotic lesions surrounded by yellow halos.

Halo blight | Yam bean

DISEASE: Halo blight

HOST: Yam bean (Pachyrhizus erosus)

PATHOGEN: Pseudomonas syringae pv. phaseolicola

PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola

SOURCE: L. Fucikovsky

DISEASE: Witches'-broom

HOST: Alfalfa

Alfalfa plant (center) exhibiting stunting and proliferation of stems. Other symptoms are small, rounded, chlorotic, often puckered leaves and a yellowish cast.

Witches'-broom | Alfalfa

DISEASE: Witches'-broom

HOST: Alfalfa (Medicago sativa)

PATHOGEN: 'Candidatus Phytoplasma trifolii'

PATHOGEN SYNONYM: Phytoplasma Clover proliferation group

SOURCE: S. Thomson

DISEASE: Witches'-broom

HOST: Alfalfa

Young plant (left) with small, numerous stems (witches'-broom). Healthy stems (right).

Witches'-broom | Alfalfa

DISEASE: Witches'-broom

HOST: Alfalfa (Medicago sativa)

PATHOGEN: 'Candidatus Phytoplasma trifolii'

PATHOGEN SYNONYM: Phytoplasma Clover proliferation group

SOURCE: S. Thomson