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.
Getting tree seedlings into the ground is simple: green side up, brown side down. The most important work comes beforehand with proper care and choosing a site that has lots of sunshine, good drainage and room to grow.
Lauren Grand |
Nov 2018 |
Article
Credit: Washington State University (Cropped from original)
This publication breaks down the hidden environmental and market condition costs associated with straw removal. Learn how this widespread practice might benefit you financially.
Natalie Sturm, Isaac Madsen,, Clark Neely |
Nov 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Provides an overview of the role of selenium in the diet of livestock, and discusses selenium supplementation rates and supplementation methods. Lists guidelines for assessing livestock's selenium status and summarizes research useful to Oregon livestock producers.
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.
This guide is intended for use by volunteer leaders in the Oregon 4-H clothing project. It includes lesson plans for Basic Skill Levels 1, 2, and 3. All levels include suggestions for specific activities to ...
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)
Because of our typically wet springs in western Oregon, the average hay crop usually ends up being of low quality. However, when forage in the field is young and tender it is of high quality. As the forage matures, it ...