1. Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, 5403 1st Avenue South, Lethbridge, AB T1J 4B1, Canada.
2. Agriculture and Agri-Food Canada, Brandon Research and Development Centre, Box 1000A, RR#3, Brandon, MB R7A 5Y3, Canada.
3. Agriculture and Agri-Food Canada, Lacombe Research and Development Centre, Lacombe, AB T4L 1W1, Canada.
4. Department of Plant Sciences, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada.
5. Northeast Agriculture Research Foundation, Melfort, SK S0E 1A0, Canada.
6. 142 Rogers Road, Saskatoon, SK S7N 3T6, Canada.