New North American host records forSeifertia azaleae , cause ofRhododendronbud blight disease

[摘要] 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.

[学科分类] 植物学

[关键词] Briosia;bud blast;bud blight;disease diagnosis;fungal morphology;plant pathogen;Pycnostysanus;Rhododendron