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 |
Nov 2013 |
Extension Catalog publicationPeer reviewed (Orange level)
Describes key identification features, life cycle, and pest status of filbertworm, filbert weevil, filbert aphid, and hazelnut aphid. Includes color photos.
Vaughn Walton, Ute Chambers, Amy J. Dreves, Denny Bruck, Jeff L. Olsen |
Dec 2007 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication provides a glossary of botanical terms related to hazelnut pollination and describes the flower and nut development process, pollination, and related issues.
Learn how to control insects, weeds and disease during each stage of hazelnut growth. View the app version View diseases, pests and products by crop stage on a web-based app. Try the app
Nik Wiman, Jay W. Pscheidt, Marcelo Moretti |
Apr 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Traditional holiday arrangements are full of scented or berried evergreens, among the few garden items available to us in the winter months. Each of these greens performs differently, both in an arrangement and in the landscape....
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.
Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs |
Aug 2011 |
Article
Credit Oregon State University (Cropped from original)
During the campus visit, the students visit the OSU Seed Lab and learning about parts of a seed and germination. They also visit the Department of Crop and Soil Science building and learned about wheat.
Jon Gandy |
Mar 2024 |
Impact story
Photo Credit: Hulsh Of Pictures - Adobe Stock (Cropped from original)
Q: We have wheat planted and along our fence line we have an infestation of tansy ragwort. Is it a good time to cut the flowers off, bag them, and leave the plant; or should I spray it? The neighbor across the road has...