RESULTS

(4)

FILTER

DISEASE: Bacterial leaf spot

HOST: Turnip

Leaf with many tan, dry-appearing, angular spots.

Bacterial leaf spot | Turnip

DISEASE: Bacterial leaf spot

HOST: Turnip (Brassica rapa)

PATHOGEN: Xanthomonas campestris pv. armoraciae

SOURCE: R. Campbell

DISEASE: Bacterial soft rot

HOST: Turnip

Rotted root that likely was infected through cracks.

Bacterial soft rot | Turnip

DISEASE: Bacterial soft rot

HOST: Turnip (Brassica rapa)

PATHOGEN: Pectobacterium carotovorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora

SOURCE: J. Togashi, M. Goto

DISEASE: Bacterial wilt

HOST: Squash

Field with severe symptoms of wilt. Foliage often is chlorotic and leaf margins may be chlorotic and necrotic before plant death. Bacterial ooze may be seen streaming from the xylem when infected stems are cut.

Bacterial wilt | Squash

DISEASE: Bacterial wilt

HOST: Squash (Cucurbita maxima)

PATHOGEN: Erwinia tracheiphila

SOURCE: B. Jacobsen, M. Shurtleff

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