The Horse Advancement Program guide consists of a series of steps that allows 4-H members to set personal goals and learn at their own speed. Click the "view it now" button to view or download the entire ...
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.
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
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)
The definitive compilation of rules for 4-H horse contests in Oregon, Washington, and Idaho, including General Rules, Clothing and Equipment, Contest Guidelines, Performance Guidelines, Driving, Ground Training, Western ...
A collection of articles for growing vegetables in Central Oregon. Include general information, recommendations, soil temperatures, rhubarb, potatoes, cucumbers, beets, carrots, radishes, onions, tomatoes and tomatillos.