1. Dep. of Agricultural, Food and Nutritional Science; Univ. of Alberta; Edmonton AB T6G 2P5 Canada
2. Agriculture and Agri-Food Canada; Brandon Research and Development Centre; Brandon MB R7A 5Y3 Canada
3. Agriculture and Agri-Food Canada; Cereal Research Centre; Winnipeg MB R3T 2M9 Canada
4. Agriculture and Agri-Food Canada; Lacombe Research and Development Centre; Lacombe AB T4L 1W1 Canada