1. State Key Laboratory of Plant Physiology and Biochemistry, National Maize Improvement Center, Key Laboratory of Crop Heterosis and Utilization (MOE), Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, Beijing 100193, China
2. Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
3. Maize Engineering and Technology Research Center of Hunan Province, Hunan Agricultural University, Changsha 410128, China