RESULTS

(10)

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DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Gall on gypsophila stem.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Gall 1 month after inoculation of stem.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Brown gall on crown of gypsophila.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath)

Galls (left) caused by Pantoea agglomerans pv. agglomerans tend to be brownish, and those (right) caused by P. agglomerans pv. betae are white.

Gypsophila gall | Gypsophila (Baby's breath)

DISEASE: Gypsophila gall

HOST: Gypsophila (Baby's breath) (Gypsophila elegans)

PATHOGEN: Pantoea agglomerans pv. agglomerans

SOURCE: S. Manulis

DISEASE: Sour skin

HOST: Onion

Symptoms of sour skin are characterized by slimy, pale yellow to light brown decay.

Sour skin | Onion

DISEASE: Sour skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia cepacia

PATHOGEN SYNONYM: Pseudomonas cepacia

SOURCE: Dep. of Agric. & Agri-Food, Government of Canada

DISEASE: Sour skin

HOST: Onion

Characteristic pale yellow to browning of infected area.

Sour skin | Onion

DISEASE: Sour skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia cepacia

PATHOGEN SYNONYM: Pseudomonas cepacia

SOURCE: R. Gitaitis

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