Weed Research

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

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

Robert M. (Bob) Hayes
Director and Professor
Weed Science

Thomas C. (Tom) Mueller
Weed science

Lawrence E. Steckel
Weed management

José J. (Javi) Vargas
Research Associate II
Horticultural & Invasive Weed Management


Weed Tour, 6/21/2017

Weed Tour, 6/22/2016

UT Weed Tour, 6/24/2015



UTIA/MTSU Partnership Establishes Organic Forage Cropping Systems, 3/8/2018

Dicamba Briefing, 11/27/2017

Promotion and Tenure 2017, 10/16/2017

Neal Stewart Nominated for UT President’s Discover Award, 10/9/2017

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

High Hopes for Tennessee Cotton, 4/17/2017

Answers to Farmers’ Questions, 10/22/2016

Summer 2016 Upcoming Events, 5/16/2016

Steckel Named Cotton Researcher of the Year, 1/14/2016

UTIA Researchers Find Another Glyphosate-Resistant Weed, 12/8/2015


(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)

The Story of Cotton 
A look at the history, production and uses of cotton.

(1 mention)

Cotton Outlook 2011 
Like much of Dixie, Tennessee is -- once again -- the land of cotton. Our state will produce nearly twice as many acres of the crop as it did just a couple of years ago.

(1 mention)

Sensor Drones 
Many Tennessee farmers use drones to fly over and view crops. UTIA is now working on sensors attached to drones to provide valuable information.


Recent Publications

Postemergence weed control in warm-season turfgrass with a mixture or pyrimisulfan + penoxsulam.  Brosnan, J. T., and G. K. Breeden.  2019.  HortScience, (In press).

Using groundcover to Outcompete Tall Fescue (Festuca arundinacea ) without outcompeting tree seedlings on a legacy mine site.  Aldrovandi, M., and J. A. Franklin.  2018.  Proceedings of the American Society of Mining and Reclamation, St. Louis, MO, June 3-7, 2018. [Abstract]

Stay on top of summer weeds.  Bates, G. E.  2018.  TCA Cattle Business - June.

Weed science and management in residential areas. In: Tennessee Extension Master Gardener Handbook.  Bumgarner, N. R., and P. Sweatt.  2018.  UT Extension Publication- PB-1845- O.

Evaluation of Elevore on Glyphosate-Resistant Horseweed in Tennessee Copeland, D., L. E. Steckel, et al.  2018.  WSSA Proceedings 2018:259.

Effect of Environmental Weathering on Microbial Assimilation of Biodegradable Mulch Films.  Cowan-Banker, C. D., M. B. Anunciado, L. C. Wadsworth, and D. G. Hayes.  2018.  15th International Symposium on Bioplastics, Biocomposites, and Biorefining, July 24 – 27, 2018, Guelph, Ontario, Canada. [Abstract]

Effect of Environmental Weathering on Microbial Assimilation of Biodegradable Mulch Films.  Cowan-Banker, C. D., M. B. Anunciado, L. C. Wadsworth, and D. G. Hayes.  2018.  25th BioEnvironmental Polymer Society (BEPS) Annual Meeting, August 15-17, 2018, Troy, NY. [Abstract]

Bioactive natural products in plant disease control Gwinn, K. D.  2018.  Studies in Natural Product Chemistry, Studies in Natural Products Chemistry Vol. 56:229-246. https://doi.org/10.1016/B978-0-444-64058-1.00007-8. Copyright: © Elsevier 2018 Published: 1st February 2018 Elsevier Editors: Atta-ur-Rahman. [Abstract]

Terpenoids from weedy ricefield flatsedge (Cyperus iria L.) are developmentally regulated and stress-induced, and have antifungal properties Jiang, Y., B. H. Ownley, and F. Chen.  2018.  Molecules, 23: 3149. [Abstract]

Weed Control in New Seedings.  Rhodes, G. N., and S. M. Huff.  2018.  D series publication.

A midsouthern consultants’ survey on weed management practices in soybean Schwartz, L.M., J. Norsworthy, L. E. Steckel, and D. Stephenson.  2018.  Weed Technology, 32:116-125.

Southern Extension Weeds Specialist Concerns Steckel, L. E.  2018.  WSSA Proceedings 2018:324.