1. Agric. and Agri‐Food Canada Lacombe Research and Development Centre Lacombe AB Canada T4L 1W1
2. Agric. and Agri‐Food Canada Lethbridge Research and Development Centre 5403 1st Avenue South Lethbridge AB Canada T1J 4B1
3. Dep. of Plant Sciences Univ. of Saskatchewan Saskatoon SK Canada S7N 5A8
4. Agric. and Agri‐Food Canada Brandon Research and Development Centre Brandon MB Canada R7A 5Y3
5. Indian Head Agric. Research Foundation Indian Head SK Canada S0G 2K0
6. Saskatoon Research and Development Centre Agric. and Agri‐Food Canada Saskatoon SK Canada S7N 0X2
7. 142 Rogers Rd. Saskatoon SK Canada S7N 3T6