Phytophthora species are water molds that can kill plants. They can spread undetected in container plants and equipment. Once they are introduced to an ecosystem, it's difficult or impossible to eradicate them. ...
Norma Kline, Marianne Elliott, Jennifer Parke, Dan Stark, David C. Shaw, Alicia Christiansen |
Jan 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
A guide for homeowners, small woodland owners, resource managers, and conservation groups to recognize, prevent, and manage Sudden Oak Death. This publication can be downloaded in two different formats. The "PDF" ...
Norma Kline, Sarah Navarro, David C. Shaw |
Oct 2018 |
Extension Catalog publicationPeer reviewed (Orange level)
Credit: Oregon Department of Forestry (Cropped from original)
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
Phytophthora ramorum (Sudden Oak Death) is a significant threat to forests and nurseries on the West Coast. This publication covers history of the disease pathogen, its distribution, and life cycle. Describes disease...
Ellen M. Goheen, Everett Hansen, Alan Kanaskie, Nancy Osterbauer, Jennifer Parke, Jay W. Pscheidt, Gary Chastagner |
Apr 2006 |
Extension Catalog publicationPeer reviewed (Orange level)