Dr. Timothy M. Spann (Tim)
Contact Information
Citrus Research and Education Center
Lake Alfred, Florida
Horticultural Sciences
Phone: 863.956.1151 ext. 1417
Email: spann@ufl.edu
Fax: 863-956-4631
Education
Ph.D. 2006. Plant Biology. University of California, Davis, CA.
B.S. 1997 and M.S. 2001. Horticultural Sciences. University of Florida, Gainesville, FL.
Past Positions
Research Assistant 2001-2006. University of California, Davis
Research Assistant 1999-2001. University of Florida, Gainesville
Research
Extension responsibilities include nursery practices, new varieties, production efficiency, harvesting issues, horticultural practices related to management of citrus greening disease and its pest vectors, and citrus canker. Research examines horticultural practices for improved management of citrus greening disease and its pest vectors, and citrus canker as well as new cultivar management practices and improved production systems.
Refereed Papers
Spann, T. M., R. H. Beede and T. M. DeJong. 2008. Neoformed growth responses to dormant pruning in mature and immature pistachio trees on different rootstocks. J. Hort. Sci. Biotech. 83(1): 137-142. PDF
Spann, T. M., R. H. Beede and T. M. DeJong. 2008. Seasonal carbohydrate storage and mobilization in bearing and non-bearing pistachio (Pistacia vera L.) trees. Tree Physiol. 28(2): 207-213. PDF
Spann, T. M., R. H. Beede and T. M. DeJong. 2007. Preformation in vegetative buds of pistachio (Pistacia vera L.): relation to shoot morphology, crown structure and rootstock vigor. Tree Physiol. 27:1189-1196. PDF
Spann, T. M., J. G. Williamson and R. L. Darnell. 2004. Photoperiod and temperature effects on reproductive and vegetative growth, and carbohydrate storage in >Misty= southern highbush blueberry (Vaccinium corymbosum L. interspecific hybrid). J. Amer. Soc. Hort. Sci. 129: 294-298. PDF
Spann, T. M., J. G. Williamson and R. L. Darnell. 2003. Photoperiodic effects on vegetative and reproductive growth of Vaccinium darrowi and V. corymbosum interspecific hybrids. HortSci. 38: 192-195. PDF
Non-Refereed Papers
Etxeberria, E., P. Gonzalez, W. Dawson and T. M. Spann. 2007. An iodine-based starch test to assist in selecting leaves for HLB testing. UF/IFAS EDIS HS375. PDF
Spann, T. M., R. A. Atwood and J. D. Yates. 2007. Dooryard citrus production: the value of the Florida citrus industry to Florida residents. UF/IFAS EDIS HS381. PDF
Spann, T. M., R. A. Atwood, J. D. Yates and J. H. Graham. 2007. Dooryard citrus production: citrus canker disease. UF/IFAS EDIS HS382. PDF
Spann, T. M., R. A. Atwood, J. D. Yates, M. E. Rogers and R. H. Brlansky. 2007. Dooryard citrus production: citrus greening disease. UF/IFAS EDIS HS383. PDF
Spann, T. M., R. A. Atwood, J. D. Yates, R. H. Brlansky and K.-R. Chung. Dooryard citrus production: citrus diseases exotic to Florida. UF/IFAS EDIS HS384.
Industry Magazine Articles
Spann, T. M., J. K. Burns, F. M. Roka, B. R. Hyman, J. P. Syvertsen, M. D. Danyluk and R. Ehsani. 2008. Mechanical Harvesting: The 2006-07 harvest season. Citrus Industry, 89(3): 27-30. PDF
Futch, S. and T. M. Spann. 2008. ‘Grower Trials’ coming to Citrus Industry. Citrus Industry, 89(1): 20. PDF
R. A. Atwood and T. M. Spann. 2007. Why grow organic? Citrus Industry, 88(10): 9-10.
Spann, T. M. 2007. Mechanical harvesting: A trashy business? Florida Grower, 100(9): 18. PDF
Spann, T. M., M. E. Rogers and J. H. Graham. 2007. Young tree care in the canker and greening era. Citrus Industry, 88(9): 17-25. PDF
Spann, T. M. and P. Spyke. 2007. New citrus production management paradigms. Citrus Industry, 88(8): 24. PDF
Spann, T. M. and R. P. Muraro. 2007. Changes to Florida citrus production systems and an economic outlook based on science. Citrus Industry, 88(6): 16-19. PDF
Spann, T. M., M. E. Rogers and L. W. Timmer. 2007. IFAS – Be cautious about guava. Citrus Industry, 88(3): 18-19. PDF
L.G. Albrigo, J.P. Syvertsen and T.M. Spann. 2007. Citrus leaf flush control for management of canker and greening – the tree’s side of the equation. Citrus Industry, 88(3): 12-14.
