The 2025 WSU Weed Control Report is now available. The WSU Weed Control Report has been published every year since 2013, following the arrival of Dr. Drew Lyon in the fall of 2012. Working with his colleague, Dr. Ian Burke, these two WSU weed scientists published summaries of their field research evaluating new herbicides, and new uses of older herbicides, to manage weeds of concern to dryland farmers in eastern Washington. Dr. Burke recently departed WSU to serve as head of the department of Crop and Soil Sciences at North Carolina State University where he earned both his M.S. and Ph.D. degrees. Dr. Lyon is retiring December 1, 2025, after 13 years as the Endowed Chair, Small Grains Extension and Research, Weed Science at WSU.
The Washington Grain Commission, with funds collected from Eastern Washington wheat growers, has consistently supported weed science research at WSU. For 2025, additional support was provided by The Washington Turfgrass Seed Commission, The Washington Oilseeds Commission, Washington State Commission on Integrated Pest Management, The USA Dry Pea & Lentil Council, Organic Research Extension Initiative, Otto and Doris Amen Dryland Research Endowment, and the Pacific Northwest Herbicide Resistance Initiative. Support was also provided by BASF Corporation, Bayer Crop Science, Belchim Crop Protection USA, LLC, Gowan Company, Syngenta Crop Protection, FMC Corp., and Photosyntech .
The 2025 report summarizes 14 field studies conducted across eastern Washington in winter wheat, pulse crops, spring canola, Kentucky bluegrass, chemical fallow, and winter wheat cropping systems. The report also includes the precipitation records for Pullman, Davenport, and Lind.
Annual reports dating back to 2013 are also available.
