1. Key Laboratory of Crop Gene Resources and Germplasm Enhancement Ministry of Agriculture Institute of Crop Science Chinese Academy of Agricultural Sciences Beijing 100081 China
2. Applied Plant Genomics Laboratory Crop Genomics and Bioinformatics Centre Nanjing Agricultural University Nanjing 210095 Jiangsu China
3. Gansu Agricultural University Lanzhou 730070 Gansu China
4. State Key Laboratory of Plant Cell and Chromosome Engineering Institute of Genetics and Development of Biology Chinese Academy of Sciences Beijing 100101 China