Four Extension faculty and one research assistant gave presentations at the Farwest Show, which annually draws an estimated 5,000 attendees to the Oregon Convention Center and nursery tours.
Douglas-fir trees are dying at a record pace in southwest Oregon. Learn what steps you can take to preserve forest health and improve wildfire resiliency in a warming climate.
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
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.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.