RESULTS

(4)

FILTER

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: Brown blotch

HOST: Mushroom

Stunted fruit bodies, initial stage of disease.

Brown blotch | Mushroom

DISEASE: Brown blotch

HOST: Mushroom (Pleurotus ostreatus)

PATHOGEN: Pseudomonas tolaasii

SOURCE: K. Suyama, M. Goto

DISEASE: Brown blotch

HOST: Mushroom

Fruit bodies at advanced stage of disease.

Brown blotch | Mushroom

DISEASE: Brown blotch

HOST: Mushroom (Pleurotus ostreatus)

PATHOGEN: Pseudomonas tolaasii

SOURCE: K. Suyama, M. Goto

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