1. Institute of Crop Science, Chinese Academy of Agricultural Sciences; National Engineering Lab. of Crop Molecular Breeding, National Key Facility for Crop Gene Resources and Genetic Improvement; No. 12 Zhong-guan-cun South St. Haidian District Beijing China 100081
2. Maize Research Institute; Shanxi Academy of Agriculture Sciences; Xinzhou Shanxi Province China 034000
3. Maize Research Institute; Jilin Academy of Agriculture Sciences; Gongzhuling Jilin Province China 136100
4. Maize Research Institute; Liaoning Academy of Agriculture Sciences; Shenyang Liaoning Province China 110161