RESULTS

(3)

FILTER

DISEASE: Bacterial blight

HOST: Spathiphyllum

Progression of disease severity on leaves from right to left.

Bacterial blight | Spathiphyllum

DISEASE: Bacterial blight

HOST: Spathiphyllum (Spathiphyllum sp.)

PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae

PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae

SOURCE: A. Alvarez

DISEASE: Fire blight

HOST: Pear

Blossom blight is first seen as water-soaked spots that rapidly turn brown to black as the disease becomes systemic and progresses down the shoot.

Fire blight | Pear

DISEASE: Fire blight

HOST: Pear (Pyrus communis)

PATHOGEN: Erwinia amylovora

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