Steven C. Tannas, Agriculture Food and Nutrition Science, University of Alberta, 410 AgFor Center, Edmonton, AB T6G 2P5, Canada, Edward W. Bork, Agricultural, Food and Nutritional Science, University of Alberta, 410E Agriculture/Forestry Center, Edmonton, AB T6G 2P5, Canada, and Walter D. Willms, Agriculture and Agri-Food Canada, Lethbridge Research Centre, 5403-1 Ave. S, Box 3000, Lethbridge, AB T1J 4B1, Canada.