Haishun Yang, Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, US, Martha Mamo, 279 Plant Science, University of Nebraska-Lincoln, Lincoln, NE, Anita Wingeyer, Grupo Recursos Naturales y Factores AbiĆ³ticos, National Institute of Agriculture Technology, Oro Verde, Argentina, Walter Schacht, Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, Jeffrey Bradshaw, University of Nebraska - Lincoln, Scottsbluff, NE, Kenneth Evans, University of Nebraska - Lincoln, Lincoln, NE and Kent Eskridge, Department of Statistics, University of Nebraska - Lincoln, Lincoln, NE