Spray Research

If we've left out important UTIA personnel or resources, please send us a link.


Alvin R. (Al) Womac
Equipment performance & environmental impact



Five Things You Didn't Know about the AgResearch and Education Center at Milan, 10/14/2016

In Knoxville, Meet Dennis Deyton, Department of Plant Sciences, 3/16/2016

Time of Day Can Impact Spray, 2/22/2016


(1 mention)

Nozzle Selection 
Nozzle selection has been simplified over the years, but different types of nozzles are needed for different situations.


Recent Publications

Soybean Variety Selection Considerations: Do Not Spray Dicamba Near High Value Crops Steckel, L. E.  2018.  UTCrops Blog, Posted 2/20/18.

Spray penetration and natural enemy survival into dense and sparse canopies treated with carbaryl: implications for conventional and biological control.  Yeary, W., A. Fulcher, W. E. Klingeman, H. Zhu, and J. F. Grant.  2018.  Journal of Environmental Horticulture, 36(1): 21-29.

Foliar Application of Abscisic Acid to Day-Neutral Strawberry Cultivars to Influence Fruit Production.  Deyton, D. E., C. E. Sams, and J. C. Cummins.  2017.  Plant Growth Regulator Society of America, Anchorage, Alaska, August 6-10, 2017. [Abstract]

Repeated Foliar Sprays of Abscisic Acid to Strawberry Plants Influence Plant Growth and Yield.  Deyton, D. E., C. E. Sams, and J. C. Cummins.  2017.  HortScience, 52(9):S304.

Evaluating variable-rate, laser-guided sprayer performance and powdery mildew control in Cornus florida Cherokee Princess.  Fulcher, A., J. McHugh, R. Collier, H. Zhu, W. Yeary, W. C. Wright, S. Xiacun, F. Collier, and D. W. Lockwood.  2017.  HortScience.

Terminating tarnished plant bug sprays in cotton.  Gore, J., et al., and S. D. Stewart.  2017.  Proc. Beltwide Cotton Conf., Pp. 825-828.

Sprayer setup affects dislodgeable 2,4-D foliar residues from hybrid bermudagrass.  Jeffries, M. D., T. W. Gannon, J. T. Brosnan, and G. K. Breeden.  2017.  Weed Technology, 31:269-278.

Head Lice Spray Can Found in Classroom with Young Children and Other Issues Found During School Inspections Vail, K. M.  2017.  Child-serving Facility IPM Website, Pests and Pesticides in Child-serving Facilities: An IPM Newsletter 10(5):1-2.

Controlling Rose Rosette Disease with Cultural and Chemical Methods Windham, M. T., A. S. Windham, and F. A. Hale.  2017.  VII International Symposium on Rose Research and Cultivation, Session 7, Poster 8, Angers, France, July 2-7. [Abstract]

Spray tip configurations with pulse-width modulation for glufosinate-ammonium deposits in Palmer amaranth (Amaranthus palmeri).  Womac, A. R., G. V. Melnichenko, L. E. Steckel, G. Montgomery, J. Reeves, and R. M. Hayes.  2017.  Transactions of the ASABE, 60(4):1123-1136.

Advancement of laser-guided intelligent pesticide spray control technology in specialty crop production.  Zhu, H., J. Boldt, A. Fulcher, Y. Gao, D. Herms, C. Krause, P. Lin, D. W. Lockwood, G. Niu, H. E. Ozkan, J. Pscheidt, and R. Rosetta.  2017.  HortScience.

Validation of laser-guided variable-rate sprayer for managing insects in ornamental nurseries Zhu, H., R. Rosetta, M. E. Reding, R. H. Zondag, C. M. Ranger, L. Canas, A. Fulcher, R. C. Derksen, H. E. Ozkan, and C. R. Krause.  2017.  Transactions of the ASABE, 60(2):337-345.