1. Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN 55108.
2. USDA-ARS-RRVARC-NCSL, Cereal Crops Research Unit, Hard Spring & Durum Wheat Quality Laboratory, NDSU Dept. 7640, PO Box 6050, Fargo ND 58102-6050. Names are necessary to report factually on available data; however, the USDA neither guarantees nor warrants the standard of the product, and the use of the name by the USDA implies no approval of the product to the exclusion of others that may also be suitable.
3. Corresponding author. E-mail: jae.ohm@ars.usda.gov