New North American host records for Seifertia azaleae, cause of Rhododendron bud blight disease

Dean A. Glawe, Rita L. Hummel

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Abstract

Seifertia azaleae, cause of Rhododendron bud blight disease, is reported to occur on Rhododendron hemsleyanum, Rhododendron ponticum, and several named hybrids in western Washington State. This appears to be the first report of S. azaleaeon these hosts in North America.

Keywords

Briosia; bud blast; bud blight; disease diagnosis; fungal morphology; plant pathogen; Pycnostysanus; Rhododendron



DOI: http://dx.doi.org/10.2509/pnwf.2006.001.005

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