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Coronavirus COVID-19

COVID-19 Advisory: WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, postponed, or canceled. Effective March 16, 2020, WSU Extension county offices and WSU Research & Extension Centers will be closed to the public. We are available via email, phone, and webconference.

Weed Resources

Program Contact: Aaron Esser, Agronomist Lincoln/Adams Area
509-659-3210 •

Cheatgrass Control in Winter Wheat – Presentation

National Jointed Goatgrass Research

Rattail Fescue (PDF)

Weed Management Handbook Weed Resources

WSU Weed Identification Services

Pesticide Safety Education – Pre-License Programs for Eastern WA

 Weed Control Report

The 2016 WSU Weed Control Report is available on the Wheat and Small Grains website. The annual report summarizes the results from field studies conducted by Ian Burke, Drew Lyon, and their staff. The research was conducted in winter wheat, spring wheat, chemical fallow, grasslands, alfalfa, chickpeas, and dry pea


11/1/2017 –

Timely Topic: Emerging Weedy Grasses

Check out your timely topic. Get ahead of those fall emerging weedy grasses.

Stephen Van Vleet, Ph.D
Washington State University
Regional Extension Specialist
Agriculture & Natural Resources
310 N. Main St., Room 209
Colfax, WA 99111
Office 509-397-6290