1. Genome Prairie Univ. of Manitoba Winnipeg MB R3T 2N2 Canada
2. Dep. of Plant Sciences, 259‐F Robbins Hall Univ. of California Davis CA 95616
3. Dep. of Agricultural, Food and Nutritional Science Univ. of Alberta Edmonton AB T6G 2P5 Canada
4. Grant MacEwan Univ. P.O. Box 1796 Edmonton AB T5J 2P2 Canada
5. Research was performed at the University of Alberta Canada