Professor and Center Director, Agronomy - Pasture and Rangeland Weed Management

Administration Focus (50%)

• Research Focus (25%)

  Weed management in pastures and rangeland

  • Identify problematic weeds in pastures and rangeland and implement economically and
    environmentally sound control measures.
  • Examine weed biology and ecology as related to pasture and rangeland management strategies.
  • Weed control in fence rows and pasture borders.

  Invasive weed management

  • Identification of invasive weeds and management strategies, which includes cultural,
    herbicidal, and biological control methodologies.
  • Biology of invasive plant species.
• Extension Focus (25%)

  Educate cattle ranchers and ranchette owners on cost effective weed
  control strategies for weed control in pastures and rangeland

  • Evaluate economically relevant weed control programs, which optimize forage production.
  • Identify cost effective weed control programs for forage grasses such as bahiagrass,
    limpograss, bermudagrass and other commonly grown forages.
  • Identify grazing and fertility management systems that promote forage growth and suppress
    weed emergence and establishment.

• Education
  • Ph.D. University of Missouri, Columbia, MO, Department of Agronomy, Weed Science, 2003.
  • M.S. Purdue University, West Lafayette, IN, Department of Botany and Plant Pathology, Weed Science, 1999.
  • B. S. Purdue University, West Lafayette, IN, Biological Sciences, 1995.
• Employment
  • Professor and Center Director, Range Cattle
    Research and Education Center, Ona, FL
    University of Florida, April 2020 to present
  • Professor and Interim Center Director, Range Cattle
    Research and Education Center, Ona, FL
    University of Florida, April 2019 - April 2020
  • Professor and Associate Center Director, Range Cattle
    Research and Education Center, Ona, FL 
    University of Florida, July 2017 - March 2019
  • Associate Professor and Associate Center Director, Range Cattle
    Research and Education Center, Ona, FL 
    University of Florida, 2014 - July 2017
  • Associate Professor, Range Cattle Research and Education Center, Ona, FL 
    University of Florida, 2011 - 2014.
  • Assistant Professor, Range Cattle Research and Education Center, Ona, FL 
    University of Florida, 2004-2011.
  • Post Doctoral Fellow, Agronomy Department, Columbia, MO 
    University of Missouri, 2003-2004.
  • Research Specialist, Agronomy Department, Columbia, MO 
    University of Missouri, 2002-2003
• Membership in Professional Societies
  • American Society of Agronomy
  • Florida Cattlemen's Association
  • Florida Weed Science Society
  • Southern Weed Science Society
  • Weed Science Society of America
• Publications
  • View a full list of Dr. Sellers's publications
• Links

  Posters

  • Pasture Weeds (2024; poster)
  • Toxic Pasture Plants of Florida (2022; poster)

  Other helpful resources

  • Pasture Weed Day 2006
  • Smutgrass - Time to start thinking about smutgrass control (factsheet) PDF
  • Weed Identification Guide
  • Weed Management Links