This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.
Carrot rust flies are well-known to growers of carrots, parsnips, celeriac, celery and other umbelliferous crops. The adults don’t do any damage, but after eggs hatch, larvae burrow into the soil and feed on the roots.
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 is the first module for EM 9172, the Fire Science Core Curriculum. This curriculum is designed to teach the basics of fire to non-fire-professional community members, including instructors and landowners, such ...
Dan Leavell, Carrie Berger, Stephen Fitzgerald, Robert (Bob) Parker |
Aug 2017 |
Extension Catalog publicationPeer reviewed (Orange level)
Growers, commodity-group representatives, pest-control advisors, university specialists, and other technical experts from the Treasure Valley in Oregon and Idaho provide an overview of onion production. They identify pest ...
To identify pest management priorities and increase the use of integrated pest management in pear production, Pacific Northwest growers, commodity-group representatives, pest control advisors, processors, university specialists...
Katie Murray, Paul Jepson, Chris Hedstrom |
Feb 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.
Ann Marie VanDerZanden |
Jul 2012 |
Article
Photo: Oregon State University (Cropped from original)
Poison oak plants contain a chemical that causes a severe rash. Learn how to spot a plant, safely remove, and clean your clothes, gear and skin afterward to prevent a rash.
Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.
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