The jumping worm, an invasive species new to Oregon, harms the soil by reducing it to granules, making it more porous and less able to retain water. Here's how to identify jumping worms and help stop their spread.
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.
Wood shingles and shakes can provide years of service if properly installed and maintained. Learn what kinds of wood make the best roofing material; how to protect against fungus, moss and lichen; and how to clean your roof.
Jeff Morrell, Jed Cappellazzi, Jay W. Pscheidt |
Jan 2020 |
Extension Catalog publicationPeer reviewed (Orange level)