Association of Coriolus versicolor with a Dieback Disease of Apple Trees in Washington State. Marc A. Dilley, Agricultural Research Technologist, Washington State University, Tree Fruit Research Center, Wenatchee, WA 98801. Ronald P. Covey, Jr., Associate Plant Pathologist, Washington State University, Tree Fruit Research Center, Wenatchee, WA 98801. Plant Dis. 65:77-78. Copyright 1981 American Phytopathological Society. DOI: 10.1094/PD-65-77.

Coriolus versicolor was consistently isolated from the decayed wood of living apple trees with limb dieback and papery bark.

Keyword(s): Malus domestica, Polyporus versicolor.