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.
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 ...
Brandy Saffell, Nicole Sanchez, Dan Leavell |
Mar 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
Farm loops are an excellent means to draw customers to a farm and educate an urban audience that is often three and four generations removed from agriculture.
Modern farm operations increasingly rely on technology to reduce workload and maximize farm profit. Unmanned aerial systems are another example of technology deployed for agricultural production. How can this technology ...
Kristine Buckland, Ann Rasmussen, Lloyd Nackley |
Oct 2020 |
Extension Catalog publicationPeer reviewed (Orange level)
Q: Several brown, dead rings have formed in my lawn this summer. They seem to coincide with a type of mushroom. Are the mushrooms causing this? Is there any treatment short of applying a fungicide that is effective? Will the lawn recover on its own?
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 ...