1. Dep. of Agricultural, Food and Nutritional Science, 4‐10 Agriculture/Forestry Centre Univ. of Alberta Edmonton AB Canada T6G 2P5
2. Agriculture and Agri‐Food Canada 5403‐1 Ave. S Lethbridge AB Canada T1J 4B1
3. Agriculture and Agri‐Food Canada 6000 C&E Trail Lacombe AB Canada T4L 1W1
4. Agriculture and Agri‐Food Canada Box 29 Beaverlodge AB Canada T0H 0C0