RESULTS

(7)

FILTER

DISEASE: Dodonaea yellows

HOST: Florida hopbush

Hopbush with brownish red witches'-broom.

Dodonaea yellows | Florida hopbush

DISEASE: Dodonaea yellows

HOST: Florida hopbush (Dodonaea viscosa)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Borth

DISEASE: Dodonaea yellows

HOST: Florida hopbush

Advanced stage of dodonaea yellows and witches'-broom.

Dodonaea yellows | Florida hopbush

DISEASE: Dodonaea yellows

HOST: Florida hopbush (Dodonaea viscosa)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: W. Borth

DISEASE: Dogwood stunt

HOST: Dogwood

Diseased plant with small leaves (left).

Dogwood stunt | Dogwood

DISEASE: Dogwood stunt

HOST: Dogwood (Cornus sp.)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: W. Sinclair

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Comparison of normal, dark cherries (in hand) with infected, immature cherries with less pigmentation.

X-disease (Western X) or buckskin | Cherry

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry (Prunus avium)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: A. Purcell, M. Davis

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Healthy cherry shoot (left) and stunted shoot (right).

X-disease (Western X) or buckskin | Cherry

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry (Prunus avium)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: S. Thomson

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Infected trees on 'Mazzard' rootstock (right) may live for years, producing fruit with symptoms. Trees on 'Mahaleb' rootstock (left) usually die rapidly in year of infection, about time of fruit ripening.

X-disease (Western X) or buckskin | Cherry

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry (Prunus avium)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: S. Thomson

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

X-disease causes undersized, yellowish fruit. Diseased branches turn rusty red near end of season. Some defoliation occurs on diseased branches.

X-disease (Western X) or buckskin | Cherry

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry (Prunus cerasus)

PATHOGEN: 'Candidatus Phytoplasma pruni'

PATHOGEN SYNONYM: Phytoplasma X-disease group

SOURCE: A. Jones