This publication provides guidelines for purchasing and propagating planting stock. It describes simple layering, tie-off layering, grafting, and cuttings.
Learn about the environmental factors that affect plant growth: light, temperature, water, humidity and nutrition. Either directly or indirectly, most plant problems are caused by environmental stress.
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
Blueberries grow well in the Pacific Northwest. To get the most out of your bushes, it helps to understand the form and function of each part of the plant.
This publication gives a brief introduction to hazelnuts, which are sometimes called filberts. It provides an overview of hazelnut history, growth and production, geographic distribution, and hazelnut industry organizations.
This publication includes tables that summarize characteristics of the main hazelnut varieties produced in the United States, lists varieties' susceptibility to eastern filbert blight, and shows varieties' compatibility with each other for pollination.
Jeff L. Olsen, Shawn Mehlenbacher, Rebecca L. McCluskey, David Smith |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
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.