1. Institute of Biotechnology and Nuclear Technology, Sichuan Academy of Agricultural Sciences, Chengdu 610061, Sichuan, China
2. Triticeae Research Institute, Sichuan Agricultural University, Wenjiang 611130, Chengdu, Sichuan, China
3. Key Laboratory of Crop Genetic Resources and Improvement, Ministry of Education, Sichuan Agricultural University, Wenjiang 611130, Chengdu, Sichuan, China