Dr. Robert E. Nurse

Image Robert Nurse
Research Scientist

Development of sustainable, economical, environmentally safe weed management strategies using integrated weed management principles in field and horticultural crops

Current research and/or projects

  • Development of weed management systems for Canadian seed corn growers.
  • Development of weed management systems for Canadian processing tomato growers. 
  • Identification and verification of herbicide resistant weeds.  
  • Development of novel cover crop and/or living mulch systems for use in vegetable crops.
  • Pesticide minor use. 

Professional activities / interests

Associate Editor - Weed Technology

Associate Editor - Agronomy Journal

Education and awards


Ph.D., Crop and Soil Science, Cornell University, Ithaca, NY, U.S.A.

M.Sc., Plant Agriculture, University of Guelph, Guelph, ON, Canada

H.B.Sc., Ecology and Evolution, Western University, London, ON, Canada


2019 Outstanding Reviewer - Canadian Journal of Plant Science

2018 Excellence in Weed Science Award, Canadian Weed Science Society.  

Key publications

  1. Laforest, M., Soufiane, B., Simard, M.J., Obeid, K., Page, E., Nurse, R.E. (2017). Acetyl-CoA carboxylase overexpression in herbicide-resistant large crabgrass (Digitaria sanguinalis), 73(11), 2227-2235. http://dx.doi.org/10.1002/ps.4675

    2017 - View publication details

  2. Page, E.R., Nurse, R.E. (2015). Cropping systems and the prevalence of giant ragweed (Ambrosia trifida): From the 1950's to present, 184 104-111. http://dx.doi.org/10.1016/j.fcr.2015.09.013

    2015 - View publication details

  3. Soltani, N., Nurse, R.E., Shropshire, C., Sikkema, P.H. (2015). Tolerance of adzuki bean to pre-emergence herbicides, 95(5), 959-963. http://dx.doi.org/10.4141/CJPS-2015-064

    2015 - View publication details

  4. Tardif-Paradis, C., Simard, M.J., Leroux, G.D., Panneton, B., Nurse, R.E., Vanasse, A. (2015). Effect of planter and tractor wheels on row and inter-row weed populations, 71 66-71. http://dx.doi.org/10.1016/j.cropro.2015.01.026

    2015 - View publication details

  5. Nurse, R.E., Darbyshire, S.J., Simard, M.J. (2015). Impact of post-anthesis glyphosate on woolly cupgrass seed production, seed weight and seed viability, 95(6), 1193-1197. http://dx.doi.org/10.4141/CJPS-2015-166

    2015 - View publication details

  6. Page, E.R., Nurse, R.E. (2015). Comparing physical, chemical, and cold stratification methods for alleviating dormancy of giant ragweed (Ambrosia trifida) seeds, 29(2), 311-317. http://dx.doi.org/10.1614/WT-D-14-00061.1

    2015 - View publication details

  7. Simard, M.J., Nurse, R.E., Darbyshire, S.J. (2015). Emergence and seed production of woolly cupgrass (eriochloa villosa) in legume forage crops, 95(3), 539-548. http://dx.doi.org/10.4141/CJPS-2014-317

    2015 - View publication details

  8. Walsh, K.D., Soltani, N., Hooker, D.C., Nurse, R.E., Sikkema, P.H. (2015). Biologically effective rate of sulfentrazone applied pre-emergence in soybean, 95(2), 339-344. http://dx.doi.org/10.4141/CJPS-2014-264

    2015 - View publication details

  9. Mahoney, K.J., Nurse, R.E., Sikkema, P.H. (2014). The effect of hard water, spray solution storage time, and ammonium sulfate on glyphosate efficacy and yield of glyphosate-resistant corn, 94(8), 1401-1405. http://dx.doi.org/10.4141/CJPS-2014-131

    2014 - View publication details

  10. Simard, M.J., Darbyshire, S.J., Nurse, R.E. (2013). Comparative seed predation of woolly cupgrass (eriochloa villosa) and yellow foxtail (setaria pumila) along a field border in Canada, 13(4), 121-128. http://dx.doi.org/10.1111/wbm.12018

    2013 - View publication details

  11. Stopps, G.J., Nurse, R.E., Sikkema, P.H. (2013). The effect of time of day on the activity of postemergence soybean herbicides, 27(4), 690-695. http://dx.doi.org/10.1614/WT-D-13-00035.1

    2013 - View publication details

  12. Stewart, C.L., Nurse, R.E., Van Eerd, L.L., Vyn, R.J., Sikkema, P.H. (2011). Weed control, environmental impact, and economics of weed management strategies in glyphosate-resistant soybean, 25(4), 535-541. http://dx.doi.org/10.1614/WT-D-10-00116.1

    2011 - View publication details

  13. Nurse, R.E., Sikkema, P.H., Robinson, D.E. (2011). Weed control and sweet maize (Zea mays L.) yield as affected by pyroxasulfone dose, 30(7), 789-793. http://dx.doi.org/10.1016/j.cropro.2011.03.026

    2011 - View publication details

  14. Soltani, N., Nurse, R.E., Shropshire, C., Sikkema, P.H. (2011). Weed management in cranberry bean with linuron, 91(5), 881-888. http://dx.doi.org/10.4141/cjps2011-018

    2011 - View publication details

  15. Soltani, N., Mashhadi, H.R., Mesgaran, M.B., Cowbrough, M., Tardif, F.J., Chandler, K., Nurse, R.E., Swanton, C.J., Sikkema, P.H. (2011). The effect of residual corn herbicides on injury and yield of soybean seeded in the same season, 91(3), 571-576. http://dx.doi.org/10.4141/cjps10110

    2011 - View publication details

  16. Soltani, N., Nurse, R.E., Van Eerd, L.L., Vyn, R.J., Shropshire, C., Sikkema, P.H. (2010). Weed control, environmental impact and profitability with trifluralin plus reduced doses of imazethapyr in dry bean, 29(4), 364-368. http://dx.doi.org/10.1016/j.cropro.2009.07.011

    2010 - View publication details

  17. Cain, N., Darbyshire, S.J., Francis, A., Nurse, R.E., Simard, M.J. (2010). The Biology of Canadian weeds. 144. Pastinaca sativa L., 90(2), 217-240. http://dx.doi.org/10.4141/CJPS09110

    2010 - View publication details

  18. Stewart, C.L., Nurse, R.E., Gillard, C., Sikkema, P.H. (2010). Tolerance of adzuki bean to preplant-incorporated, pre-emergence, and post-emergence herbicides in Ontario, Canada, 10(1), 40-47. http://dx.doi.org/10.1111/j.1445-6664.2010.00365.x

    2010 - View publication details

  19. Stewart, C.L., Nurse, R.E., Cowbrough, M., Sikkema, P.H. (2009). How long can a herbicide remain in the spray tank without losing efficacy?, 28(12), 1086-1090. http://dx.doi.org/10.1016/j.cropro.2009.05.003

    2009 - View publication details

  20. Soltani, N., Nurse, R.E., Shropshire, C., Sikkema, P.H. (2009). Effect of halosulfuron applied preplant incorporated, preemergence, and postemergence on dry bean, 23(4), 535-539. http://dx.doi.org/10.1614/WT-09-047.1

    2009 - View publication details

Research facility

2585 County Road 20
Harrow, ON N0R 1G0


Canadian Weed Science Society

Weed Science Society of America

Adjunct Professor, Western University, London, ON, Canada

Special Graduate Faculty, University of Guelph, Guelph, ON, Canada