CAHNRS and WSU Extension

Wheat and Small Grains

Weed Resources

Timely Topics

Proper Sprayer Cleanout Can Prevent Crop Injury

June 20, 2017

New Publication Available on Mayweed Chamomile, a.k.a., Dog Fennel

May 23, 2017

Proposed Rule Changes for Restricted Use Herbicides

April 13, 2017

To view more Weed Resources Timely Topics, click here.

Weed Tool Box

Dynamic decision tools to help you make informed management choices.

PNW Weed Management Handbook

This handbook is designed as a quick and ready reference for weed control practices and herbicides used in various cropping systems or sites in Idaho, Oregon, and Washington.

National Jointed Goatgrass Research Program

The National Jointed Goatgrass Research Program was initiated in 1994 by using a special USDA grant to fund regional research and extension activities directed toward limiting the damage caused by jointed goatgrass to winter wheat production in the western United States. Much of the information generated over the course of this 15-year program can be found here.

To view our annual Weed Research Reports, click here.

Integrated Management of Mayweed Chamomile in Wheat and Pulse Crop Production Systems New

The latest bulletin published by the Small Grains Team is PNW695 – Integrated Management of Mayweed Chamomile in Wheat and Pulse Production Systems.

Additional questions can be directed to Drew Lyon at or Ian Burke at

WSU Resistance Testing Programmayweedresistancethumbnail

To learn more about how to collect and submit samples from your field to the WSU Resistance Testing Program, visit the program page.

A printable version of the submission can be found here.

Additional questions can be directed to Ian Burke at

Weed ID Quiz


Test your knowledge of common weeds with our Weed Identification Quiz. Select the weed based on the pictures provided and see how well you know weeds.

Wheat and Small Grains, P.O. Box 646420 Washington State University, Pullman, WA 99164-6420, 509-335-1719, Contact Us
© 2017 Washington State University | Accessibility | Policies | Copyright | Log in