Canadian Forest Service Publications

First Report of Powdery Mildew of Mahonia aquifolium (Pursh.) Nutt. Caused by Erysiphe (Microsphaera) berberidis (DC.) Lév in Canada. 2005. Zhao, S.; Shamoun, S.F. Plant Health Progress (Online journal): Not paginated.

Year: 2005

Available from: Pacific Forestry Centre

Catalog ID: 26222

Language: English

CFS Availability: PDF (request by e-mail)

Available from the Journal's Web site.
DOI: 10.1094/PHP-2005-0621-01-HN

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Abstract

Mahonia aquifolium (Tall Oregon Grape) is a plant native to British Columbia and the coastal Pacific Northwest of the USA. The first discovery of powdery mildew of Mahonia aquifolium in the USA was reported in Washington State in 2003. In Canada, powdery mildew of Oregon grape was discovered in the early summer of 2004 in Victoria, BC. To our knowledge, this is the first record of powdery mildew caused by E. berberidis on Oregon grape in Canada.

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