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 |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Clubroot (causal organism, Plasmodiophora brassicae) is a major soilborne disease of brassica crops in the Willamette Valley. It’s incidence and severity is increasing due to a high demand for brassicas that has ...
Aaron Heinrich, Alexandra Stone, Dan M. Sullivan, James Myers, Ed Peachey |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Bacterial canker is the number one killer of young sweet cherry trees in Oregon. This publication covers cause and symptoms, disease cycle, and disease management. Click the "view it now" button to view or ...
Robert A. Spotts, Jeff L. Olsen, Lynn Long, Jay W. Pscheidt |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Ornamental nurseries face many pest management challenges, from weeds to insects to disease. In this report, industry representatives prioritize those challenges in an effort to increase the use of integrated pest ...
This plan lists major pests, current management practices, critical needs, and efficacy ratings of pest-management tools in sweet cherry production. Practices are organized by growth stage, making it easier to plan year-round management practices.
Discover how mummy berry disease impacts Pacific Northwest blueberries and learn effective management methods. Don’t let this fungus surprise you: Read our guide to protect your blueberry yield.
To keep your lilacs looking their best, they need to be pruned, fertilized and shaped almost every year, soon after they are done blooming in the late spring.
Peg Herring |
May 20, 2005 |
News story
Photo A by G. Shrestha; photos B and C by C.M. Ocamb, Oregon State University. (Cropped from original)
Hemp is susceptible to fungal pathogens that induce wilt disease that can kill plants. The fungi that cause the disease can survive for years and are easily spread. But there are steps growers can take to prevent it.