Horticultural Sciences Department

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Dr. Rebecca L. Darnell

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Office:1131 Fifield Hall
Phone:352-273-4789
E-mail:rld@ufl.edu
For more information, visit Dr. Darnell's website. 

Professor and Associate Chair

Undergraduate Coordinator

Areas of Research

  • Woody plant physiology
  • Nitrogen/iron uptake and assimilation

Educational Background

  • Ph.D., Plant Physiology, University of California, Davis (1986)
  • M.S., Horticulture, The Ohio State University, Columbus, OH (1982)
  • B.S., Horticulture, University of Maryland, College Park, MD (1980)

Teaching Responsibilities

Honors and Awards

  • Fellow, American Society for Horticultural Science, 2011
  • North American Colleges and Teachers of Agriculture Teacher Fellow, 2006.
  • Teacher of the Year, College of Agriculture and Life Sciences, 2005.

Program Personnel

  • Moshe Doron, Biological Scientist

Selected Publications

  • Casamali, B., R.L. Darnell, A.P. Kovaleski, J.W. Olmstead, and J.W. Williamson. 2016. Vegetative and reproductive traits of two southern highbush blueberry cultivars grafted onto Vaccinium arboreum rootstocks. HortScience 51:880-886.
  • Nunez, G.H., H.P. Rodriguez-Armenta, R.L. Darnell, and J.W. Olmstead. 2016. Towards marker assisted breeding for root architecture traits in southern highbush blueberry. J. Amer. Soc. Hort. Sci. 141:414-424.
  • Nunez, G., C.L. Harmon, J.W. Olmstead, and R.L. Darnell. 2016. Root-level inoculation with iron-reducing microorganisms does not enhance iron uptake by southern highbush blueberry plants. Rhizosphere http://dx.doi.org/10.1016/j.rhisph.2016.09.001.
  • Nunez, G. H., A. P. Kovaleski, B. Casamali, and R. L. Darnell. 2016. Can science and genetics literacy affect student perception of genetically modified organisms? AgBioForum 19:1-10.
  • Darnell, R.L., B. Casamali, and J.G. Williamson. 2015. Nutrient assimilation in southern highbush blueberry and implications for the field. HortTech 25:460-463.
  • Nunez, G.H., J.W. Olmstead, and R.L. Darnell. 2015. Rhizosphere acidification is not part of the strategy I iron deficiency response of Vaccinium arboreum and the southern highbush blueberry. HortScience 50:1064-1069.
  • Kovaleski, A., R.L. Darnell, B. Casamali, and J.G. Williamson. 2015. Effects of timing and intensity of summer pruning on reproductive traits of two southern highbush blueberry cultivars. HortScience 50:1486-1491.
  • Kovaleski, A., J. Williamson, B. Casamali, and R.L. Darnell. 2015. Effects of timing and intensity of summer pruning on vegetative traits of two southern highbush blueberry cultivars. HortScience 50:68-73.
  • Kovaleski, A., J. Williamson, J.Olmstead, and R.L.Darnell. 2015. Inflorescence bud initiation, development, and bloom in two southern highbush blueberry cultivars. J. Amer. Soc. Hort. Sci. 140:38-44.
  • Nunez, G., A. Kovaleski, and R. L. Darnell. 2014. Formal education can affect students’ perception of organic produce. Horttechnology 24:64-70.
  • Darnell, R.L., N. Cruz-Huerta, J.G. Williamson. 2013. Night temperature and source-sink effects on growth, leaf carbon exchange rate, and carbohydrate accumulation in bell pepper ovaries. J. Amer. Soc. Hort. Sci. 138:331-337.
  • Darnell, R.L., N. Cruz-Huerta, J.G. Williamson. 2012. Night temperature and source-sink effects on overall growth, cell number and cell size in bell pepper ovaries. Ann. Bot. 110:987-994.
  • Darnell, R.L. and N. Cruz-Huerta. 2011. Nitrate and iron uptake and assimilation in cultivated and wild Vaccinium species. Inter. J. Fruit Sci. 11:136-150.
  • Cruz-Huerta, N., J. G. Williamson, and R. L. Darnell. 2011. Low night temperature increases ovary size in sweet pepper cultivars. HortScience 46:396-401.