1. USDA-ARS Hard Red Spring and Durum Wheat Quality Laboratory, Harris Hall; North Dakota State University; Fargo ND 58105
2. USDA-ARS Plant Soil and Nutrition Laboratory, Bradfield Hall; Cornell University; Ithaca NY 14853
3. Dep. of Plant Sciences, Loftsgard Hall; North Dakota State University; Fargo ND 58105