RESULTS

(6)

FILTER

DISEASE: Brown line and decline

HOST: Almond

Stunted and yellowish diseased tree. Such trees produce little to no growth and decline rapidly.

Brown line and decline | Almond

DISEASE: Brown line and decline

HOST: Almond (Prunus dulcis)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: B. Teviotdale

DISEASE: Brown line and decline

HOST: Almond

Bark was split laterally at graft union, revealing line of necrotic tissue that extends into woody cortical tissues.

Brown line and decline | Almond

DISEASE: Brown line and decline

HOST: Almond (Prunus dulcis)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: J. Uyemoto

DISEASE: Brown line and decline

HOST: Almond

Shriveled nuts from infected tree. Two healthy kernels (bottom left).

Brown line and decline | Almond

DISEASE: Brown line and decline

HOST: Almond (Prunus dulcis)

PATHOGEN: 'Candidatus Phytoplasma' sp.

PATHOGEN SYNONYM: Phytoplasma (undefined)

SOURCE: J. Uyemoto

DISEASE: Carrot yellows

HOST: Carrot

Flowers with shoot proliferation (witches’-broom) (left). Healthy flower (right). Virescence and phyllody of flower parts are common.

Carrot yellows | Carrot

DISEASE: Carrot yellows

HOST: Carrot (Daucus carota)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: M. Schroth

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: Saber tooth

HOST: Lily

Lily with deformed growth that resembles a saber tooth.

Saber tooth | Lily

DISEASE: Saber tooth

HOST: Lily (Lilium sp. 'Enchantment')

PATHOGEN: Curtobacterium flaccumfaciens pv. oortii

PATHOGEN SYNONYM: Corynebacterium flaccumfaciens subsp. oortii

SOURCE: H. van Hoof, J. van der Wolf