Mark Czarnota Associate Professor; Emphasis: Weed science & christmas trees Horticulture
Portrait of Mark Czarnota

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Portrait of Mark Czarnota

I cover all aspects of weed control in the ornamentals, small fruits, Christmas trees, and floriculture. My major research interests are weed biology, invasive weed control, finding more Christmas tree species for the Southeast, natural products used as herbicides, and anything to do with herbicides, growth regulators, and adjuvants.


  • Teaching: 5%
  • Research: 58%
  • Extension: 32%
  • Service: 5%


  • B.S. Plant Science, University of Delaware, 1989
  • M.S. Agriculture, Virginia Polytechnic Inst. & State Univ., 1995
  • Ph.D. Floriculture and Ornamental Horticuture, Cornell University, 2001