Turfgrass Research

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Gregory K. (Greg) Breeden
Extension Assistant II
Turfgrass Weed Control

James T. (Jim) Brosnan
Associate Professor
Turfgrass Weed Science

Natalie Ruth Bumgarner
Assistant Professor

Brandon Joseph Horvath
Associate Professor
Turf Pathologist

Thomas J. (Tom) Samples
Turfgrass science and management

Avat Shekoofa
Assistant Professor
Water Stress and Irrigation of Agronomic Crops

John Charles Sorochan
Distinguished Professor
Turfgrass biology

Groups and Facilities

(2 mentions)

Turfgrass Weeds 
Turfgrass weed management recommendations and publications.

(2 mentions)

Weed Diagnostics Center 
Diagnostic testing for weeds of crop and non-crop systems including turfgrass, ornamentals, and utility rights of way.

(1 mention)

UTIA Greenhouses 
High tech facilities help support agricultural research


Statewide Turfgrass Impact Survey Underway, 12/16/2014



UTIA Faculty Spotlight | Dr. Jim Brosnan, 7/18/2017

Faculty 360 | Avat Shekoofa, 4/10/2017


(1 mention)

Weed Olympics 
We've had an Olympic competition here in Tennessee involving ... plants. More specifically, plants we don't like or want. It's called the 'Weed Olympics' on the UT agriculture campus.

(1 mention)

Astro Turf 
UT researchers team with AstroTurf for safer athletic fields.


Recent Publications

Postemergence weed control in warm-season turfgrass with a mixture or pyrimisulfan + penoxsulam Brosnan, J. T., and G. K. Breeden.  2019.  HortScience, 54:960-963.

Development and validation of a weather-based warning system to advise fungicide applications to control dollar spot on turfgrass D. L. Smith, J. P. Kerns, N. R. Walker, A. F. Payne, B. J. Horvath, J. C. Inguagiato, J. E. Kaminski, M. Tomaso-Peterson, and P. L. Koch.  2018.  PLoS ONE, 13(3): e0194216.

Commercial turfgrass insect control.  Hale, F. A., and J. Yanes Jr..  2018.  Revisions of PB 1342 and PB 1690, UT Extension.

Determinants of public golf course visitation and willingness to pay for turfgrass enhancement: A case study from Oklahoma, USA Joshi, O., C. Fontanier, D. K. Harris, N. C. Poudyal, and G. Kharel.  2018.  Journal of Cleaner Production, 205: 814-820.

TNT: 35 Years of Dynamite Turfgrass Tips.  Samples, T. J.  2018.  2018 Turf & Ornamental Field Day Proceedings.

Turfgrass management in Tennessee. In: Tennessee Extension Master Gardener Handbook.  Samples, T. J., E. Bedwell, J. T. Brosnan, N. R. Bumgarner, F. A. Hale, B. Leigh, M. Mote, and A. S. Windham.  2018.  UT Extension Publication- PB-1845-J.

Comparative evaluation of turfgrass and row crop management on soil carbon dynamics and nutrient availability.  Singh, S., S. Yan, S. Jagadamma, J. C. Sorochan, J. C. Stier, and J. Zhuang.  2018.  American Society of Agronomy Southern Regional Branch Annual Meeting, February 4-6, Jacksonville, FL.

Evaluation of control options for Juncus species in maintained turfgrass.  Small, Z. D., J. D. McCurdy, J. T. Brosnan, and G. K. Breeden.  2018.  Proc. Southern Weed Science Society, 71:175.

Controlling dinitroaniline resistant goosegrass in turfgrass Breeden, S. M., J. T. Brosnan, G. K. Breeden, J. J. Vargas, G. Eichberger, S. Tresch, and M. LaForest.  2017.  Weed Technology, 31:883-889.

The Insecticide and Miticide Mode of Action Field Guide: A resource to assist in managing arthropod pests of turfgrass and ornamental plants.  Chong, J. C., W. E. Klingeman, and F. A. Hale.  2017.  W 415, UT Extension, Clemson University, 75 pp.

Crabgrass spp. control in turfgrass with EH1579 and EH1580 containing Vexis.  Henry, G. M., K. A. Tucker, J. T. Brosnan, and G. K. Breeden.  2017.  Proc. Northeastern Plant Pest and Soils Conference, 2:96.

Chemical control options for Juncus species in maintained turfgrass Small, Z., J. D. McCurdy, J. T. Brosnan, G. K. Breeden, and M. Richard.  2017.  2017 ASA-CSSA-SSSA Annual Meeting [CD-ROM].