Horticultural Sciences Department

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Dr. Peter J. Dittmar


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Office:1233 Fifield Hall
Phone:352-273-4771
E-mail:pdittmar@ufl.edu
For more information, visit Dr. Dittmar's website.

Assistant Professor

Areas of Research

  • Weed science of vegetables, deciduous fruit and nut crops
  • Director of the North Florida IR-4 Field Lab

Educational Background

  • Ph.D., Horticultural Sciences, North Carolina State University
  • M.S., Horticultural Sciences, North Carolina State University
  • B.S., Plant and Soil Sciences, Southern Illinois University- Carbondale

Extension Programs

  • Workieng with county and state extension faculty
  • Dissemination of information on weed management 
  • Presentations of research results at field days and commodity meetings

Program Personnel

  • Darrell Thomas, IR4
  • Michael Long, IR4
  • Thomas Batts, Graduate student
  • Fernanda Krupek, Graduate student

Selected Publications

  • Dittmar, P.J., J.A. Ferrell, J.V. Fernandez, and H. Smith. 2016. Effect of glyphosate and dicamba drift timing and rates in bell pepper and yellow squash. Weed Technology 30:217-223.
  • Sharpe, S.M., N.S. Boyd, and P.J. Dittmar. 2016. Clopyralid dose response for two black medic (Medicago luplina) growth stages. Weed Technology 30:717-724.
  • Dittmar, P.J., R.B. Batts, K.M. Jennings, R.R. Bellinder, and S.L. Meyers. 2015. Reduced metrizbuzin preharvest interval on potato yield and tuber quality. Weed Technology 29:335-339.
  • Miller, M.R. P.J. Dittmar, G.E. Vallad, and J.A. Ferrell. 2014. Nutsedge (Cyperus spp.) control in bell pepper (Capsicum annuum L.) using fallow period weed management and fumigation for two years.
  • Alves, A., A.W. MacRae, C.J. Hunnicut, T.P.Jacoby, G.E. MacDonald, and P.J. Dittmar. 2013. Impact of fallow programs and fumigants on nutsedge (Cyperus spp.) management in plasticulture tomato. Weed Technology 27:323-330.