In most years, vineyards in Oregon start the season with a full soil water profile. As the season progresses, the soil dries out. Here's how to gauge a vineyard's water needs and methods for meeting them.
This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
Learn the most effective techniques for controlling insects, weeds and disease on wine grapes in Oregon. Study strategies for controlling powdery mildew, botrytis bunch rot and spider mites.
Patricia A. Skinkis, Jay W. Pscheidt, Achala KC, Marcelo Moretti, Vaughn Walton, Cody Copp |
Feb 2024 |
Extension Catalog publicationPeer reviewed (Orange level)
Organic pesticides are usually considered as those pesticides that come from natural sources. They are usually minimally processed. These natural sources are usually plants or minerals. There are also microbial pesticides.
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
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.
A brief guide for anyone living near a vineyard to understand the damaging effects that common herbicides can have on grapevines. With the Oregon grape industry growing rapidly near urban boundaries throughout the ...