Emeritus Extension Pesticide Coordinator, 1984-2012
E-mail: ferrell@uwyo.edu
Education
1976 - B.S., Biology, University of Wyoming
1980 - M.S., Agronomy (Soil Science), University of Wyoming
1984 - Ph.D., Agronomy (Weed Science), University of Wyoming
Academic Expertise
Safe and proper use of pesticides for private and commercial pesticide applicators
Research Interests
- Control of perennial weeds in rangeland situations
- Pesticide use in Wyoming
- Survey of pesticide use in Wyoming
- Control of leafy spurge with various pesticides
- Integrated control of leafy spurge with perennial grasses
Multidisciplinary Collaborations
- Colorado State University, Dept. of Plant Pathology and Weed Science
- North Dakota State University Dept. of Crop and Weed Science
- University of Minnisota, Dept. of Agronomy and Plant Genetics
- E.I. du Pont de Nemours & Co.
- DowElanco
- Sandoz Agro, Inc.
- PBI/Gordon Corp
Professional Memberships
- Weed Science Society of America
- Western Society of Weed Science
- American Association of Pesticide Safety Educators
Significant Presentations
Ferrell, M.A., T.D. Whitson, D.W. Koch, R Bottoms, and A.E. Gade. 1995. Integrated control of leafy
spurge (Euphorbia esula) and Russian knapweed (Centaurea repens) with perennial grass
species. The Brighton Conference - Weed 1995. Brighton Centre and Brighton Metropole
Hotel, Brighton, U.K. 20-23 Nov. 1995. (poster presentation)
Ferrell, M.A. 1994. The control of leafy spurge with initial and retreatments of picloram. Proc.
West. Soc. Weed Sci. 47:57-58. (paper presentation)
Ferrell, M.A. and T.D. Whitson. 1993. Integrated control of leafy spurge with Bozoisky Russian
wildrye and Luna pubescent wheatgrass. Proc. West. Soc. Weed Sci. 46:36-38. (paper
presentation)
Ferrell, M.A., D.W. Koch, P.J. Ogg and F. Hruby. 1992. Grass tolerance to imazethapyr. Proc. West.
Soc. Weed Sci. 45:95-97 (paper presentation)
Ferrell, M.A. and T.D. Whitson. 1992. Integrated control of leafy spurge with Bozoisky Russian
wildrye and Luna pubescent wheatgrass. Proc. Leafy Spurge Sym. Lincoln, Nebraska.
(paper presentation)
Ferrell, M.A. and T.D. Whitson. 1992. Using competitive perennial grasses to manage leafy spurge.
Proc. Leafy Spurge Sym. Lincoln, Nebraska. (paper presentation)
Significant Publications
Lockwood, J.A., J.K. Wangberg, M.A. Ferrell, and J.D. Hollon. 1994. Pesticide labels: proven protection or superficial safety?
J. Am. Optom. Assoc. 65:18-26.
Al-Henaid, Jamal S., M. A. Ferrell and S. D. Miller. 1992. Effect of 2,4-D on Leafy Spurge (Euphorbia esula) Viable
Seed Production. Weed Technology 7:76-78.
Beck, K. G., R. G. Lym, R. L. Becker, M. A. Ferrell, D. W. Finnerty, R.J. Frank, M. A. Henson and M. A. Peterson. 1992. Leafy Spurge
(Euphorbia esula) Control and Grass Injury with Sulfometuron in Several Great Plains
States. Weed Technology 7:212-215.
Ferrell, M. A., T. D. Whitson and H. P. Alley. 1989. Control of Leafy Spurge (Euphorbia esula) with
Growth Regulator-Herbicide Combinations. Weed Technology 3:479-384.
Whitson, Thomas D., M. A. Ferrell and H. P. Alley. 1988. Changes in Rangeland Canopy Cover Seven Years Following a
Tebuthiuron Application. Weed Technology. 2:486-489.