Dr. John Williamson

Associate Professor

Department of Horticultural Science
250 Kilgore Hall, Box 7609
North Carolina State University
Raleigh, NC 27695-7609

Office Phone: 919.515.5366
Fax: 919.515.2505
E-Mail: john_williamson@ncsu.edu

Responsible for teaching graduate course in plant stress physiology. Research on the molecular mechanisms of plant stress responses, and the use of biotechnology in nontraditional breeding of crops with increased stress tolerance. Current focus is on the role of mannitol in salt tolerance and pathogen resistance.


  • University of Oklahoma, Norman, Oklahoma, B.S. in Botany 1971
  • Naval Postgraduate School, Monterey, CA, M.S. in Physical Oceanography 1972
  • Oregon State University, Corvallis, Oregon, Ph.D. in Botany 1985



  • Environmental Stress Physiology (HS707)
  • Environmental Stress Physiology (HS 707 - 601 INTERNET)
  • Plant Metabolism (HS 701)