Thomas D. Whitson, Ph.D.

Professor of Weed Science (Emeritus)

Powell Research and Extension Center
747 Road 9
Powell, WY 82435-9135
Phone: (307) 754-2223
twhitson@uwyo.edu

Degrees Earned

• 1961 - Spearman, Texas - High School - Diploma
• 1965 - B.S. Agricultural Education, Texas Tech University
• 1969 - M.S. Plant and Animal Science, East Texas State University
• 1982 - Ph.D. Plant Science-Weed Science, University of Wyoming

Professional Advancement

• Extension Weed Specialist, IPM State Coordinator, (1996-present) University of Wyoming (80% Extension - 20% Research)
• Extension Weed Specialist (1985-1996) University of Wyoming (80% Extension - 20% research)

Research

• Noxious weed, poisonous plant and rangeland weed control

Extension

• Individual demonstrations and research are conducted through Wyoming along with educational tours and meetings

Significant Publications

• Halstvelt, M.B., V.F. Carrithers, T.D. Whitson and G. Baxter. 1996. Thinning big sagebrush canopy cover using low rates and Spike 20P herbicide. Down to Earth, Dow/Elanco, p. 1-6.
• Johnson, Kris H., Richard A. Olson and Thomas D. Whitson. 1996. Composition and diversity of plant and small mammal communities in Tebuthiuron-treated big sagebrush (Artemisia tridentata). Weed Technology. 10:404-416.
• Olson, R.A. and T.D. Whitson. 1996. Improving wildlife habitat quality on sagebrush rangelands with Spike 20P herbicide. Down to Earth, Dow/Elanco, p. 7-13.
• O-Toole, D.O., M. Raisbeck, J.C. Case and T.D. Whitson. 1996. Selenium-induced "Blind Staggers" and related myths. A commentary on the extent of historical livestock losses attributed to Selenosis on western U.S. rangelands. Vet. Pathol. 33:104-116.
• Whitson, Tom. 1996. Controlling downy brome (cheatgrass) in grass seed production fields. Reflections, Ag College Publication, p. 12-16 (2nd place article in 1994).
• Whitson, Tom, Mark Majerus, Denny Hall, Mike Killen and Jay Jenkins. 1996. Controlling downy brome (cheatgrass) in grass seed production fields. U.W. Ag. Exp. Station, "Reflections," Vol. 6, No. 1, p. 12-16.
• Bottoms, R.M. and T.D. Whitson. 1997. A systems approach for the control of Russian knapweed. Refereed paper Brighton Crop Protection Conference - Weeds. Vol. 2, P. 699-700.
• Held, Larry J., Bridger Feuz, Thomas D. Whitson and James J. Jacobs. 1997. A sustainable herbicide plus grass establishment approach for land reclamation. The American Society of Farm Managers and Rural Appraisers Journal. Vol. 61, No. 1, 1997. P. 88-94.
• Jensen, Tamra R., Tom D. Whitson and Kristi K. Rose. 1997. The effects of various herbicides on plains pricklypear (Opuntia polycantha Haw.). College of Ag Exp. Sta. Prog. Rept., p. 190.
• Jensen, Tamra R., Tom D. Whitson and Kristi K. Rose. 1997. The effects of various herbicides on broom snakeweed (Gutierrezia sarothrae (Pursh) Britt. & Rusby). College of Ag Exp. Sta. Prog. Rept., p. 187.
• Reynolds, Doug. R., Tom D. Whitson, Les N. Burroughs and Kristi K. Rose. 1997. The effects of various herbicides on fringed sagebrush (Artemisia frigida Willd.). College of Ag Agr. Exp. Sta. Prog. Rept., p. 188.
• Rose, Kristi K. and Tom D. Whitson. 1997. The competitive effects of five cool-season grasses on Dalmatian toadflax (Linaria dalmatica). College of Agriculture Agric. Exp. Sta. Prog. Rept., p. 180-181.
• Rose, Kristi K., Tom D. Whitson and David W. Koch. 1997. The competitive effects of five cool-season grasses on downy brome and musk thistle. College of Ag Agric. Exp. Sta. Prog. Rept., p. 182.
• Rosenlund, Philip A., Tom D. Whitson and M.A. Ferrell. 1997. The control of fringed sagebrush (Artemisia frigida), hairy goldenaster (Heterotheca villosa), and common sagewort (Artemisia campestris) with various herbicides. College of Ag. Agr. Exp. Sta. Prog. Rept., p. 184.
• Whitson, Tom, Jim Freeburn, Wayne Tatman, Jim Gill and Todd Bateman. 1997. Poisonous plants and herbicides: Controlling losses in Wyoming. U.W. Ag. Exp. Station "Reflections," Vol. 7, No. 1, pp. 6-10.
• Whitson, Tom D., Kristi K. Rose and Mike Willi. (1997) The effects of various herbicides on houndstongue (Cynoglossum officinale). College of Ag Agr. Exp. Sta. Prog. Rept., p. 189.
• Whitson, Tom D., Wayne R. Tatman, Steve D. Aagard and Kristi K. Rose. 1997. The effects of late summer applications of various heribicides on Russian knapweed (Centaurea repens L.). College of Ag Exp. Sta. Prog. Rept., p. 186.
• Whitson, Tom D., Mark E. Majerus, Reginald D. Hall and Jay D. Jenkins. 1997. Effects of herbicides on grass seed production and downy brome (Bromus tectorum). Weed Technology. Vol. 11:644-648.
• Revised Weed Control Handbook for Montana, Utah and Wyoming. 283 p. 1997-98.
• Whitson, Tom, Jim Freeburn, Wayne Tatman, Jim Gill and Todd Bateman. 1997. Poisonous plants and herbicides: Controlling losses in Wyoming. Reflections, Ag College Publication, p. 6-10.
• Bottoms, R.M., T.D. Whitson and D.W. Koch. 1998. A systems approach for control of Russian knapweed. Weed Technology. Vol. 12, P. 363-366.
• Ferrell, .A., T.D. Whitson, D.W. Koch and A.E. Gade. 1998. Integrated control of leafy spurge (Euphorbia esula) with Bozoisky Russian wildrye and Luna pubescent wheatgrass. Weed Technology. Vol. 12, P. 374-380.
• Kinter, Lynn, Ann Hild, T. D. Whitson, Alger Summer and Kristi K. Rose. 1998. Relicts of the Past: A vanishing range resource. Reflections, Ag College Publication, p. 18-21.
• Held, Larry J., Bridger Feuz, and T.D. Whitson. 1998. Controlling Russian knapweed with herbicide and grass. Reflections, Ag College Publication, p. 25-33.
• Whitson, Tom D. and David. W. Koch. 1998. Control of downy brome (Bromus tectorum L.) with herbicides and perennial grass competition. Weed Technology. Vol. 12, P. 391-396.
• Whitson, Thomas D. 1998. Integrated Systems for Noxious Weed Management in Rangelands. Weed Technology. Vol. 12, P. 325-405.
• Whitson, Tom D., Editor. 1998. Reprinted Weeds of the West. Western Soc. Weed Science and Western States Cooperative Extension Serv. 630 pages. 7,500 printed

This site is maintained by Randy L. Anderson.