Prof. François Tardif is a researcher in the Department of Plant Agriculture who studies herbicide resistance in weeds, click on the image Meet Professor Tardif view his video.  More information on François and his research is available here: http://www.plant.uoguelph.ca/ftardif.

A descriptive transcript is available here: https://www.uoguelph.ca/oac/sites/uoguelph.ca.oac/files/Francois%20Tardif%20Descriptive%20Transcript.txt