Fires and ice storms in recent years have done serious damage to young forest stands in the Willamette Valley. Without much salvageable timber, landowners must decide how to restore the stands. Here are some options.
Invasive plants disrupt ecosystems and have no place in streamside gardens. But these plants can be tempting because of their showy flowers and cheap prices.
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.
Diseases can reduce the yield and nutritional quality of crops. Vectors are organisms that transmit pathogens that cause diseases and can also threaten crops. Some important vectors of plant pathogens in the Pacific Northwest ...
Silvia I. Rondon, Mary Corp, Stephen M. Van Vleet, Stuart Reitz, Pamela Hutchinson |
Jul 2015 |
VideoPeer reviewed (Gray level)
When deciding upon which plants will be used in your garden or landscaping project it’s important to avoid selecting species that are considered invasive. This publication provides several examples of invasive plants for our area, specifically for zones 5 and 6 of the United States Department of Agriculture’s “hardiness zones” chart.
Mary Corp, Chris Luttrell |
Aug 2010 |
Publication