Donald Penner, Ph.D.

Donald Penner

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Professor in Weed science & crop physiology; herbicide selectivity, action & metabolism in crops and weeds.
Department of Plant, Soil and Microbial Sciences

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Degrees:
Ph.D. in Plant Physiology (Weed Science), University of California-Davis
M.S. in Plant Physiology, University of Minnesota
B.S. in Agriculture Education, University of Minnesota

General Areas of Expertise:

Adjuvants:

  • Herbicide action, metabolism, and selectivity.
  • Herbicide resistance in weeds and crops.
  • Fate of herbicides in plants and soils.

Classes Taught:

  •  CSS 805- Herbicide Actions and Metabolism: Properties and characteristics of herbicides. Processes involved in herbicide action, transport, and fate in plants and soils.

 

Selected Recent Publications:

  1. Penner, D. and J. Michael. 2010. The effect of pH on glyphosate activity and water conditioning. JAI 7:JAI102770 pp. 1-6.
  2. Whitford, F., D. Penner, B. Johnson, L. Bledsoe, N. Wagoner, J. Garr, and K. Wise. 2009. The Impact of Water Quality on Pesticide Performance.  Purdue Extension P86, 38 p. 
  3. Poling, K.W., K.A. Renner, and D. Penner. 2009. Dry edible bean (Phaseolus vulgaris) class and cultivar response to dimethenamid and metolachlor.  Weed Technol. 23:73-80.
  4. Bernards, M.L., D. Penner and J. Michael. 2009. Imazapyr absorption and translocation in Northern red oak and red maple as affected by herbicide formulation and adjuvant methylated seed oil.  JAI 6:1-10.
  5. Simarmata, M. and D. Penner. 2008. The basis for glyphosate resistance in rigid ryegrass (Lolium rigidum) from California. Weed Sci. 56:181-188.
  6. Coleman, R. and D. Penner. 2008. Organic acid enhancement of pelargonic acid. Weed Technol. 22:38-41.
  7. Nelson, E. A. and D. Penner. 2007. Leaching of isoxaflutole and the herbicide safeners R-29148 and furilazole. Weed Technol. 21:106-109.
  8. Bernards, M.L., K.D. Thelen, D. Penner, R.B. Muthukumaran, and J.L. McCracken. 2005. Glyphosate interaction in tank-mixture with manganese and its effect on glyphosate absorption and translocation. Weed Sci 53:787-794.
  9. Lee, C.D., K.A. Renner, D. Penner, R. Hammerschmidt, and J.D. Kelly. 2005. Glyphosate-resistant soybean management systems effect on Sclerotinia stem rot. Weed Technol. 19:580-588.
  10. Nelson, E.A. and D. Penner. 2005. Sensitivity of selected crops to isoxaflutole in soil and irrigation water. Weed Technol. 19:659-663.
  11. Penner, D. J. Michael, and W.G. Brown. 2005. A novel water conditioning adjuvant for use with formulated and nonformulated glyphosate. Pesticide Formulation and Application Systems: Twenty Fourth Volume, ASTM STP 1460, H.B. Lopez and G.C. Volgas, Eds., ASTM International, West Conshohocken, PA, pp. 128-133.
  12. Aichele, T. and D. Penner. 2005. Adsorption, desorption, and degradation of imidazolinones in soil. Weed Technol. 19:154-159.
  13. Bernards, M.L., K.D. Thelen, and D. Penner. 2005. Glyphosate efficacy is antagonized by manganese. Weed Technol.19:27-54.
  14. Simarmata, M., S. Bughrara, and D. Penner. 2005. Inheritance of glyphosate resistance in rigid ryegrass (Lolium rigidum Gaud.) from California. Weed Sci. 53:615-619.
  15. Penner, D., J. Michael, and W.G. Brown. 2005. A novel water conditioning adjuvant for use with formulated and nonformulated glyphosate. www.astm.org.:JAI 12157, 2:1-6.
  16. Lee, C.D., D. Penner, and R. Hammerschmidt. 2003. Glyphosate and shade effects on glyphosate-resistant soybean defense response to Sclerotinia sclerotiorum. Weed Sci. 51:294-298.
  17. Penner, D., J. Michael, W. G. Brown, and P. Sikkema. 2003. Biologically active in-tank formulation of acid herbicides. Pesticide Formulations and Application Systems: 23rd International Symposium, ASTM STP 1449, G. Volgas, R. Downer, and H. Lopez, Eds., ASTM International, West Conshohocken, PA, p. 158-167.
  18. Pratt, D., D. Penner, and J.J. Kells. 2003. Substitutes for ammonium sulfate as additives with glyphosate and glufosinate. Weed Technol. 17:576-581.
  19. Simarmata, M., J.E. Kaufmann, and D. Penner. 2003. Potential basis of glyphosate resistance in California rigid ryegrass (Lolium rigidum Gaud.), Weed Sci.. 51:678-682.

Recent Patents:

  1. Penner, D. and M. Simarmata.  August 26, 2014.  Canada Patent No. 2,639,900.  Methods for breeding glyphosate resistant plants and composition thereof.
  2. Penner, D. and M. Simarmata.  August 7, 2013.  China Patent No. ZL200780009628.6. Methods for breeding glyphosate resistant plants and composition thereof.
  3. Penner, D. and M. Simarmata. March 15, 2011. U.S. Patent No 7,906,709 B2. Methods for breeding glyphosate resistant plants and composition thereof.
  4. Penner, D. C.L. Sprague, and R.F. Burow. March 8, 2011. U.S. Patent No. 7,902,118. Compositions and methods for protecting cultivated plants from herbicidal injury.
  5. Penner, D. and T.R. Wright. January 5, 2007. Bulgarian Letters Patent No. 65035. Imidazolinone resistant sugar beet plants.
  6. Penner, D. and T.R. Wright. January 5, 2006.  Polish Letters Patent No. 191810.  Imidazolinone herbicide resistant sugar beet plants.
  7. Penner, D., C.L. Sprague, and R. Burow. Aug. 30, 2005. U.S. Patent no. 6,936,569.  Compositions and methods for protecting cultivated plants from herbicidal injury.
  8. Penner, D. and T.R. Wright. July 8, 2005. Czech Republic Patent no. 295392. Imidazolinone herbicide resistant sugar beet plants.
  9. Penner, D. and T.R. Wright. July 8, 2005. Czech Republic Patent no. 295 393. Imidazolinone herbicide resistant sugar beet plants.
  10. Penner, D. and T.R. Wright. March 15, 2005. Ukranian Patent no. 99020645/M. Imidazolinone resistant sugar beet plants.
  11. Penner, D. and T.R. Wright. March 15, 2005. Ukranian Patent no. 99020646/M. Imidazolinone resistant sugar beet plants.
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