1Maize Research Institute, Sichuan Agricultural University, Ya’an, Si Chuan 625014, China.
2Agronomy College of Sichuan Agricultural University, Ya’an, Sichuan 625014, China.
3Institute of Subtropical Agriculture, the Chinese Academy of Sciences, Changsha, Hunan 410125, China.
4Key Laboratory of China Education Ministry for Crop Gene Resource and Genetic Improvement, Ya’an, Sichuan, 625014, China.
5College of Life Science, Sichuan Agricultural University, Ya’an, Sichuan 625014, China.
6Nanchong Institute of Agricultural Sciences, Nanchong, Sichuan 637000, China.
Email: [email protected]