Meet the new Extension Weed Science Specialist, Dr. Sarah Lancaster

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Sarah Lancaster is the new Weed Science Extension Specialist, starting November 4, 2019. Lancaster’s start comes on the heels of the retirement of Dallas Peterson, professor of Weed Science and Extension Specialist. She was most recently an Assistant Professor in the Department of Environmental Plant Science and Natural Resources at Missouri State University.

Dr. Sarah Lancaster, Extension Weed Specialist


A native of Missouri, Sarah was raised on a row crop and cow-calf farm near Jonesburg in east central Missouri. She was the first of five children and her father and one brother continue on the family farm. She earned a B.S. degree from the University of Missouri, Columbia, in 2002, majoring in plant science with a minor in agricultural economics. Lancaster continued her educational career at North Carolina State University, receiving her M.S. in crop science in 2008. Lancaster received her Ph.D. in agronomy from Texas A&M University in 2008.

As a doctoral student at Texas A&M, Lancaster studied soil microbial response to glyphosate-based cotton pest management systems. Upon receiving her doctorate, she accepted an Assistant Professor position in the Department of Plant and Soil Sciences at Oklahoma State University. This position had both teaching and extension responsibilities. Over the last 10+ years, Lancaster has taught a wide range of agronomic courses at the undergraduate and graduate level. Her research experience and expertise spans more than weed science and represents a well-rounded background in agronomy.

Outside of the halls of Throckmorton, Lancaster enjoys spending time with her husband, Phillip, and their two active boys, Levi (7) and Caleb (4). Some of her favorite things include a good book, a long jog, Cardinals baseball, and home improvement/garden projects.

Her goal in this position is to develop research-based extension programs that benefit Kansas farmers. She is humbled by the challenge of stepping into Dallas’ program and feels blessed to benefit from his insights.

Dr. Lancaster can be reached at (785) 532-7240 or by email at



Kathy Gehl, eUpdate editor

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