1. Department of Horticulture, Michigan State University, East Lansing, MI 48824, USA
2. Department of Plant Biology, Michigan State University, East Lansing, MI 48824, USA
3. Department of Horticulture, University of Wisconsin, Madison, WI 53705, USA
4. State Key Laboratory for Crop Genetics and Germplasm Enhancement, Nanjing Agriculture University, Nanjing, Jiangsu 210095, China
5. USDA-ARS Dale Bumpers National Rice Research Center, 2890 Highway 130 East, Stuttgart, AR 72160, USA
6. Department of Statistics and Probability, Michigan State University, East Lansing, MI 48824, USA
7. Program in Ecology, Evolutionary Biology and Behavior, Michigan State University, East Lansing, MI 48824, USA