1. Plant Science Department, South Dakota State University, Brookings SD 57007.
2. Corresponding author. Phone: 605-690-0846. E-mail: melanie.caffe@sdstate.edu
3. Dept. of Health and Nutritional Sciences, South Dakota State University, Brookings SD 57007.
4. USDA-ARS Hard Red Spring Wheat Quality Laboratory, Fargo, ND 58501.