Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.
Brooke Edmunds, Lauren Grand, Alicia Christiansen, Andy Hulting |
Nov 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
Downy brome (Bromus tectorum L.), also known as cheatgrass, is especially troublesome in low precipitation production areas where crop rotations are mostly limited to winter wheat followed by a year of summer ...
Drew J. Lyon, Andy Hulting, Don W. Morishita, Frank Young |
Aug 2020 |
Extension Catalog publicationPeer reviewed (Orange level)
Feral rye (Secale cereale L.), also known as volunteer rye, is a troublesome weed in winter wheat production in the low- and intermediate-rainfall zones of eastern Washington and Oregon and southern Idaho. This ...
Drew J. Lyon, Andy Hulting, Judit Barroso, Joan Campbell |
Jun 2020 |
Extension Catalog publicationPeer reviewed (Orange level)
Pastures often contain weeds that are potentially dangerous to livestock. The toxic compounds in plants are usually a defense mechanism against predation and have a distinct, unpleasant odor or a bitter taste and are not ...
Mylen Bohle, David Hannaway, Andy Hulting, Karin Neff |
Apr 2018 |
Collection
In small grain and pulse crops throughout the high rainfall zones of the Inland Pacific Northwest, mayweed chamomile is a troublesome weed. Individual plants can produce as many as 17,000 seeds, and seed remain ...
Drew J. Lyon, Ian C. Burke, Andy Hulting, Joan Campbell |
May 2017 |
Extension Catalog publicationPeer reviewed (Orange level)
Keep weeds in your fields from becoming herbicide resistant by rotating among herbicides regularly. Learn how and why in this publication. Especially useful is a color-coded chart to help you distinguish among ...
Joan Campbell, Carole Smith, Andy Hulting, Donn Thill |
Oct 2015 |
Extension Catalog publicationPeer reviewed (Orange level)
Soil acidity, expressed by low soil pH, causes reduced crop growth and significant economic loss. It is the most commonly overlooked and poorly understood yield-limiting factor in western Oregon and a developing ...
John M. Hart, Dan M. Sullivan, Nicole Anderson, Andy Hulting, Donald A. Horneck, Neil W. Christensen |
Jul 2013 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication incorporates 20 years of field research by OSU faculty comparing two grass-seed residue management methods: full straw load (straw is chopped and left on the field) and clean nonthermal (straw is ...
John M. Hart, Nicole Anderson, Andy Hulting, Thomas G. Chastain, Mark E. Mellbye, William C. Young III, Tom Silberstein |
Sep 2012 |
Extension Catalog publicationPeer reviewed (Orange level)
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
Woody knotweeds are listed as noxious weeds throughout most of the United States. This publication briefly describes the characteristics and biology of four species of woody knotweeds and summarizes management and ...
Robert Emanuel, Andy Hulting, Rebecca Koepke-Hill |
Jun 2011 |
Extension Catalog publicationPeer reviewed (Orange level)