New North American host records for Seifertia azaleae , cause of Rhododendron bud 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. azaleae on these hosts in North America.