Plant Sciences


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Alan G. Dexter

Alan G. DexterProfessor Emeritus
Extension Weed Physiology, Sugarbeets

Phone: (701) 231-7735


  • PhD 1969, Agronomy, University of Illinois
  • MS 1966, Agronomy, University of Nebraska
  • BS 1963, Agronomy, University of Nebraska

Professional Experience

  • 2007 - present: Professor Emeritus, Department of Plant Sciences, North Dakota State University, Fargo, ND
  • 1969 - 2007: Split appointment between North Dakota State University/University of Minnesota Extension Sugarbeet and Weed Control Specialist. Serves the sugarbeet industry in North Dakota and Minnesota. Operating expenses come from a check-off from sugarbeet growers and various grants. A 100% extension position from 1969 through 1995, but 90% extension and 10% research since 1995. Officed in the Department of Plant Sciences at North Dakota State University. Has served as a major advisor for 13 MS and 7 PhD students and is a leading expert in weed control and herbicide use in sugarbeet in North America.

Professional Affiliation

  • Weed Science Society of America: Fellow, Outstanding Extension Award
  • North Central Weed Science Society: Honorary Member, President, Editor, WSSA Representative
  • American Society of Sugarbeet Technologists: Meritorious Service Award, Editor, President
  • Council for Agriculture Science and Technology: Board of Directors, State Liaison
  • ND and MN Sugarbeet Research and Education Board: Sugarbeet Distinguished Service Award
  • NDSU Extension, Epsilon Sigma Phi: Distinguished Service Award, Meritorious Service Award
  • NDSU Alpha Zeta: Outstanding Agriculturist Award
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