1. The State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou, Guangdong 510642, People’s Republic of China
2. The Key Laboratory of Plant Molecular Breeding of Guangdong Province, College of Agriculture, South China Agricultural University, Guangzhou, Guangdong 510642, People’s Republic of China
3. Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, South China Agricultural University, Guangzhou, Guangdong 510642, People’s Republic of China
4. BGI Education Center, University of Chinese Academy of Sciences, Shenzhen, Guangdong 518083, People’s Republic of China
5. United States Department of Agriculture, Agricultural Research Service, Crop Genetics Research Unit, 141 Experiment Station Road, P.O.
Box 345, Stoneville, Mississippi 38776, United States