B.Sc. University of Toronto;
M.Sc. University of Guelph;
Ph.D. University of Western Ontario
Phone: 519-824-4120 x. 53392
Weed science, weed ecology, cropping systems
Dr. Swanton obtained his B.Sc in Botany from the University of Toronto, His M.Sc in Agrometerology from the University of Guelph, and a PhD in Plant Ecology from the University of Western Ontario. During the years between earning his M.Sc. and his Ph.D, he was employed as a research assistant with the Campbell Soup Company and later as a weed biologist by the Ontario Ministry of Agriculture and Food located on the campus of Ridgetown College. In 1985 he joined the University of Guelph as a faculty member in the Department of Crop Science. In 1996 he was promoted to full professor. From 1998 to 2004, Clarence served as the first Chair of the Department of Plant Agriculture which included the Departments of Crop Science, Horticulture and the Horticulture Research Institute of Ontario. From 2007 to 2008 he served as President of the Canadian Weed Science Society. His research is focussed on weed ecology and the development of integrated weed management systems for field and horticultural crops. He has won numerous awards for his research including: the Ontario Agricultural College Distinguished Researcher Award, University of Guelph Presidential Distinguished Professor Award, Excellence in Weed Science Award for Canada, and the Weed Science Society of America’s Outstanding Researcher Award. He is an elected Fellow of the Canadian Society of Agronomy, the Canadian Weed Science Society and the Weed Science Society of America.
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To view Dr. Swanton's citations, click here.
Swanton, C.J., J. O'Sullivan, D. Robinson. (2010). The critical weed-free period in carrot. Weed Science 58:229-233.
R. Gulden, P. Sikkema, A. Hamill, F. Tardif, C.J. Swanton. (2010). Glyphosate-resistant cropping systems in Ontario: multivariate and nominal trait-based weed community structure. Weed Science 58:278-288.
E. Page, M. Tollenaar, E. Lee, L. Lukens, C.J. Swanton. (2010). Shade avoidance: an integral component of crop-weed competition. Weed Research 50:281-288.
R. Nurse, A. Hamill, C.J. Swanton, F. Tardif, P. Sikkema. (2010). Weed control and yield response to mesotrione in maize (Zea mays). Crop Protection 29:652-657.
E. Page, M. Tollenaar, E. Lee, L. Lukens, C.J. Swanton. (2010). Timing, effect, and recovery from intraspecific Competition in Maize. Agronomy Journal 102:1007-101.
R. Gulden, P. Sikkema, A. Hamill, F. Tardif, C.J. Swanton. (2009). Conventional vs. Glyphosate-resistant cropping systems in Ontario: weed control, diversity, and yield. Weed Science 57:665- 672.
E. Page, M. Tollenaar, E. Lee, L. Lukens, C.J. Swanton. (2009). Does the shade avoidance response contribute to the critical period for weed control in maize (Zea mays)?. Weed Research 49:563-571.
M. Hart, J. Powell, R. Gulden, D. Levy-Booth, E. Dunfield, P. Pauls, C.J. Swanton, J. Klironomos, J. Trevors. (2009). Detection of transgenic cp4 epsps genes in the soil food web. Agronomy for Sustainable Development 29:497-501.
C. Bakker, C.J. Swanton, A. McKeown. (2009). Broccoli growth in response to increasing rates of pre-plant nitrogen. I. Yield and quality. Canadian Journal of Plant Science 89:527-537.
C. Bakker, C.J.Swanton, A. McKeown. (2009). Broccoli growth in response to increasing rates of pre-plant nitrogen. II. Dry matter and nitrogen accumulation. Canadian Journal of Plant Science 89:539-548.
L. Brown, D. Robinson, R. Nurse, C.J. Swanton, P. Sikkema. (2009). Soybean response to simulated dicamba/diflufenzopyr drift followed by postemergence herbicides. Crop Protection 28:539-542.
L. Brown, D. Robinson, K. Chandler, C.J. Swanton, R. Nurse, P. Sikkema. (2009). Simulated mesotrione drift followed by glyphosate, imazethapyr, bentazon or glyphosate plus chlorimuron in soybean. Canadian Journal of Plant Science 89:265-272.
L. Brown, D. Robinson, B. Young, M. Loux, W. Johnson, R. Nurse, C.J. Swanton, P. Sikkema. (2009). Response of corn to simulated Glyphosate drift followed by in-crop herbicides. Weed Technology 23:11-16.
J. Liu, K. Mahoney, P. Sikkema, C.J. Swanton. (2009). The importance of light quality in crop-weed competition. Weed Research 49:217-224.
For more of Dr. Swanton's publications, please visit the Weed Science website.