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Forest Health Fact Sheet: Sudden Oak Death (Phytophthora ramorum)

Gives basic facts about a serious plant disease called Sudden Oak Death, caused by the pathogen Phytophthora ramorum. Describes risk of disease to forest health and to commercial nursery industry. Shows disease ...

David C. Shaw | Jun 2007 | Extension Catalog publication Peer reviewed (Orange level)

Apple Scab

Apple scab is a significant problem in the climate of the Pacific Northwest. This publication discusses the symptoms of the disease and the pathogen and disease cycle. Recommends controls and spray timings. Rates ...

Gary Grove | Dec 2005 | Extension Catalog publication Peer reviewed (Orange level)

Management of White Mold of Beans

White mold is caused by the fungus Sclerotinia sclerotrorum, and since its first report in 1915 in the United States, it has become widespread and destructive throughout most bean production areas in the world. ...

Carol A. Strausbaugh, Robert L. Forster | May 2003 | Extension Catalog publication Peer reviewed (Orange level)

Managing Late Blight on Irrigated Potatoes in the Pacific Northwest

Discusses symptoms of late blight and biology of the late blight organism. Integrated pest management strategies cover between-season management, current-season management, and harvest and storage management considerations. ...

William H. Bohl, Phil Hamm, Phillip Nolte, Robert E. Thornton, Dennis A. Johnson | Feb 2003 | Extension Catalog publication Peer reviewed (Orange level)

Detecting and Controlling Eastern Filbert Blight

Learn the signs and symptoms of eastern filbert blight (Anisogramma anomala), from initial detection through death of tree branches.

Jay W. Pscheidt | May 1999 | Extension Catalog publication Peer reviewed (Orange level)

OSU Extension Service

Plant diseases