Helen McCamy Pruitt, Crop & Soil Science, North Carolina State University, Raleigh, NC, Jeffrey C Dunne, Crop and Soil Sciences, North Carolina State University, Raleigh, NC, Xingwang Yu, Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC, Brian M. Schwartz, Department of Crop and Soil Sciences, University of Georgia, Tifton, GA, Aaron J. Patton, Purdue University, Purdue University, West Lafayette, IN, US, Consuelo Arellano, Department of Statistics, North Carolina State University, Raleigh, NC and Susana R. Milla-Lewis, Crop Science, North Carolina State University, Raleigh, NC, US