Christmas trees planted in unirrigated sites depend on the weather for survival. A research trial set out to find factors that would help seedlings survive during drought years. Results were mixed.
There's nothing like home-grown herbs to add a shot of fresh flavor to a winter soup or stew. For home gardeners, these five herbs — parsley, rosemary, thyme, chives, oregano — are hardy enough to last over the winter.
Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.
The small stonecrop mason bee (Hoplitis emarginata) had never been found in Oregon until 2019 when it was discovered by Master Melittologist Judi Maxwell in the Siskiyou Mountains in southern Oregon. Only one person had seen it...
Lincoln Best, Andony Melathopoulos |
Nov 2021 |
Article
Describes the life cycle and injury symptoms of grape phylloxera, Daktulosphaira vitifoliae (Fitch), an aphidlike insect that feeds on grape roots. Discusses strategies for reducing the risk of phylloxera infestation, ...
Patricia A. Skinkis, Vaughn Walton, Clive Kaiser |
Jul 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Winegrape production in the Pacific Northwest has expanded into areas where low winter temperatures periodically cause cane damage or death. Canes can be protected from freeze damage by burying them or covering them...
Clive Kaiser, Patricia A. Skinkis, Mercy Olmstead |
Mar 2008 |
Extension Catalog publicationPeer reviewed (Orange level)
Oregon grape growers face challenges as the frequency and severity of extreme heat events increase due to climate change. Here's how grape growers can protect their crops during a heat wave.