1. Department of Biological and Agricultural Engineering, University of Arkansas, 4183 Bell Engineering Center, Fayetteville, Arkansas 72701, United States
2. Department of Agronomy and Horticulture, University of Nebraska-Lincoln, 202 Keim Hall, Lincoln, Nebraska 68583, United States
3. Institute of Plant Breeding, Genetics and Genomics, University of Georgia, 111 Riverbend Road, Athens, Georgia 30602, United States