1. Agriculture and Agri-Food Canada (AAFC), Saskatoon Research and Development Centre, Saskatoon, SK S7N 0X2, Canada
2. AAFC, Morden Research and Development Centre, Morden, MB R6M 1Y5, Canada
3. Alberta Agriculture and Forestry, Crop Development Center North, Edmonton, AB T5Y 6H3, Canada
4. North Dakota State University, Fargo, ND 58108-6050
5. AAFC, Brandon Research and Development Centre, Brandon, MB R7A 5Y3, Canada
6. AAFC, Lethbridge Research and Development Centre, Lethbridge, AB T1J 4B1, Canada