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Harvest Weed Seed Control: Applications for PNW Wheat Production Systems

This publication discusses the various HWSC systems and their potential suitability for PNW wheat production systems across rainfall regions.

Drew J. Lyon, Michael J. Walsch, Judit Barroso, Joan M. Campbell | May 2024 | Extension Catalog publication Peer reviewed (Orange level)

Rattail Fescue: Biology and Management in Pacific Northwest Wheat Cropping Systems

Mitigating rattail fescue has become easier: this publication addresses this increasingly common weed in Pacific Northwest cropping systems.

Drew J. Lyon, Daniel A. Ball | Jul 2023 | Extension Catalog publication Peer reviewed (Orange level)

Invasive Weeds in Forestland: Bull Thistle

Bull thistle is native to Europe, western Asia, and North Africa. It probably was introduced in eastern North America during colonial times, as a contaminant in seed or ship ballast. It is now the most ...

Stephen Fitzgerald | Apr 2023 | Extension Catalog publication Peer reviewed (Orange level)

The Economic Impact of Pests and Pest Management on Oregon Sweet Cherries

A collection of real-world data show how insects, diseases, weeds and other pests affected the 2016 Oregon cherry crop. The aim is to raise yields and inform growers about the causes of crop losses.

Katie Murray, Isaac Sandlin, Peter Ellsworth, Paul Jepson, Al Fournier, Hang-Kwang Luh, Chris Hedstrom | Dec 2022 | Extension Catalog publication Peer reviewed (Orange level)

Pacific Poison-oak and Western Poison-ivy: Identification and Management

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 publication Peer reviewed (Orange level)

PNW Weed Management Handbook

This comprehensive guide to weed management in the Pacific Northwest covers biological weed control agents; pesticide safety and disposal; agrichemicals and their properties; and control of problem weeds. Sections include...

Ed Peachey | Apr 2022 | Extension Catalog publication Peer reviewed (Orange level)

Integrated Management of Wild Oat in the Pacific Northwest

In the Pacific Northwest (PNW), wild oat has become a notable weed pest of small grain and rotational crops, including pulse crops, potato, sugar beet, and oilseed crops. It has infested more than 3 million ...

Albert Adjesiwor, Drew J. Lyon, Judit Barroso, Joan Campbell | Dec 2021 | Extension Catalog publication Peer reviewed (Orange level)

Pigweeds: Current and Emerging Weed Threats in the Pacific Northwest

Pigweed is an invasive plant pest usually found in disturbed areas, like farmland and along roadsides and fencelines. Because their aggressiveness can reduce crop yields, this PNW discusses how to prevent or curtail...

Albert Adjesiwor, Timothy S. Prather, Joel Felix | Nov 2021 | Extension Catalog publication Peer reviewed (Orange level)

Problem Thistles of Oregon

Describes thistles identified as problems. Includes color photos.

Ken French, Larry C. Burrill, Tim Butler | Jul 2021 | Extension Catalog publication Peer reviewed (Orange level)

Integrated Management of Prickly Lettuce in Wheat Production Systems

Prickly lettuce is a common weed in wheat production systems throughout the PNW, but it’s difficult to manage. Herbicides can control prickly lettuce in wheat, but many biotypes have developed resistance. An ...

Drew J. Lyon, Ian C. Burke | Feb 2021 | Extension Catalog publication Peer reviewed (Orange level)