Horticultural Sciences

Horticultural Sciences

Dr. Jeffrey G. Williamson

Professor

Mailing Address:
Fifield Hall
2550 Hull Road
PO Box 110690
Gainesville, Florida 32611

Office: 2113 Fifield Hall
Phone: (352) 273-4823
E-mail: jgrw@ufl.edu

Areas of Research
- Small fruit horticulture
- Improving efficiency of small fruit production practices

Teaching Responsibilities
- HOS 6934 - Professional Seminar Preparation
- FRC 3274 - Tree and Small Fruit Production

Educational Background
- Ph.D., Horticulture, Clemson University (1987)
- M.S., Horticulture, Auburn University (1983)
- B.S., Horticulture, Auburn University (1980)

Work Experience
- University of Florida, Professor, 08/98 to present
- University of Florida, Associate Professor, 08/92 to 08/98
- University of Florida, Assistant Professor, 07/87 to 08/92

Honors and Awards
- Florida Association of County Agricultural Agents – Specialist of the Year Award, 2018
- Florida State Horticultural Society – Presidential Gold Medal Award, 2010
- Florida State Horticultural Society – Best Paper in Krome Memorial Section, 2009

Program Personnel
- Eric Ostmark, Biological Scientist

Selected Publications

Authors	Year	Title / Description	Publication
Conlan, Elizabeth, T Borisova, E. Smith, J. Williamson, M. Olmstead	2018	The Use of Irrigation for Frost Protection for Blueberry in the Southeastern United States.	HortTechnology. 28:660-667.
Gallardo, R.K., E. Stafne, L. Devetter, Q, Zhang, C. Li, F. Takeda, J. Williamson, W. Yang, W. Cline, R. Beaudry, and R. Allen	2018	Blueberry Producers' Attitudes toward Harvest Mechanization for Fresh Market.	HortTechnology. 28:10-16.
Fang, Y.,J.G. Williamson, R.L. Darnell, Y.C. Li, and G.D. Liu	2017	Nitrogen Uptake and Allocation at Different Growth Stages of Young Southern Highbush Blueberry Plants.	HortScience. 52: 905-909.
Takeda, F., W.Q. Yang, C.Y. Li, A. Freivalds, K. Sung, R. Xu, B. Hu, J.G. Williamson, and S. Sargent	2017	Applying New Technologies to Transform Blueberry Harvesting.	Agronomy – Basel. 7, 33; doi:10.3390/agronomy7020033.
Casamali, B. J.G. Williamson, A.P. Kovaleski, S.A. Sargent and R.L. Darnell	2016	Mechanical Harvesting and Postharvest Storage of Two Southern Highbush Blueberry Cultivars Grafted onto Vaccinium* arboreum Rootstocks.*	HortScience. 51:1503-1510.
Casamali, B., R.L. Darnell, A.P. Kovaleski, J.W. Olmstead, J.G. Williamson	2016	Vegetative and Reproductive Traits of Two Southern Highbush Blueberry Cultivars Grafted onto Vaccinium arboreum Rootstocks.	HortScience. 51:880-886.
Kovaleski*, A.P., J.W. Olmstead, J.G. Williamson and R.L. Darnell	2015	Inflorescence bud initiation and bloom in two southern highbush blueberry cultivars.	J. Amer. Soc. Hort. Sci. 140:38-44.
Kovaleski*, A.P., J.G. 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.P., 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.
Williamson, J.G., L. Mejia, P. Miller, B. Ferguson, and D.Z. Haman	2015	Seasonal water use of southern highbush blueberry plants in a sub-tropical climate.	HortTechnology. 25:185-191.
Williamson, J.G. and G. Krewer	2015	Role of plant growth regulators in southern highbush blueberry production under low-chill conditions.	J. Amer. Pomological. Soc. 69:11-15.
Marino*, S.R., J.G. Williamson, J.W. Olmstead and P.F. Harmon	2014	Vegetative growth of three southern highbush blueberry cultivars obtained from microprapagation and softwood cuttings in two Florida locations.	HortScience 49: 556-561.
Darnell, R.L., N. Cruz-Huerta, and 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. 138:331-338.
Williamson, J.G. and W.O. Cline	2013	Mechanized harvest of southern highbush blueberries for the fresh market: An introduction and overview of the workshop proceedings.	HortTechnology 23:416-418.
Sargent , S.A., A. D. Berry, J. G. Williamson and J. W. Olmstead	2013	Postharvest quality of mechanically and hand-harvested southern highbush blueberry fruit for fresh market.	HortTechnology 23:437-441.
Buran, T.J., A.K. Saudhu, A.M. Azeredo, A.H. Bent, J.G. Williamson, and L. Gu	2012	Effect of exogenous abscisic acid on fruit quality, antioxidant capacities, and phytochemical contents of southern highbush blueberries.	Food Chemistry. 132:1375-1381.
Darnell, R.L., N. Cruz-Huerta, and J.G. Williamson	2012	Night temperature and source sink effects on overall growth, cell number and cell size in bell pepper ovaries.	Annals of Botany 110:987-994.
Kao, M.W.S., J.K. Brecht, J.G. Williamson, and D.J. Huber	2012	Ripening Development and Quality of Melting and Non-melting Flesh Peach Cultivars.	Hortscience 47:879-885.
Yang, C., W.S. Lee, and J.G. Williamson	2012	Classification of blueberry fruit and leaves based on spectral signatures.	Biosystems Engineering 113:351-362.