RESULTS

(5)

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DISEASE: Bacterial leaf scorch

HOST: Sycamore

Sycamore with scorched leaves and dieback of small branches.

Bacterial leaf scorch | Sycamore

DISEASE: Bacterial leaf scorch

HOST: Sycamore (Platanus occidentalis)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

DISEASE: Bacterial leaf scorch

HOST: Sycamore

Close-up of scorched leaves.

Bacterial leaf scorch | Sycamore

DISEASE: Bacterial leaf scorch

HOST: Sycamore (Platanus occidentalis)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

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