Currently, the emerald ash borer has been found in trees only in Washington County, where a quarantine prohibits moving ash (Fraxinus) or fringe tree (Chionanthus) wood in or out of the area.
While relatively healthy, forests in western Oregon face threats from climate stress, insects and disease. Here's a look at forest management strategies to cope with those threats and keep the state's forests healthy.
Glenn Ahrens |
Apr 2020 |
Article
Credit: Oregon State University (Cropped from original)
Asparagus, beets, carrots and summer squash are some of the vegetables you can grow along the coast. Learn what to watch out for in a region known for cooler temperatures.
This is a bilingual publication (English and Spanish) for landscape workers and the public to help them protect Oregon birch trees from this damaging pest. Includes insect identification, host plants, signs and ...
The grafting of vegetable plants has been done for decades around the globe, but it has been slow to catch on in the United States. It holds promise as a disease management tool although cost remains a barrier.
Selecting roses for landscape use may seem like an impossible task, but with a few key elements in mind, you can select a rose or a group of roses to complement your new or current landscape.
Thinning is the term foresters apply to removal of some trees from a stand to give others more room (and resources) to grow. It is a tool for improving timber value, making sites more productive, and — perhaps most ...
The philosophy for this online source is to provide the home gardener with OSU publications, research, and news items that are related to the home orchard and garden.
Steve Renquist |
May 2015 |
Collection
Photo Credit: Whitney Cranshaw, Colorado State University, Bugwood.org (Cropped from original)
Q: I had an arborist out because one of my birch trees had died and needed removal. He said it was the bronze birch beetle and that it was beginning to affect a second birch. He said it could be treated with a ...