1. Key Laboratory of Plant Molecular Physiology, Institute of Botany The Chinese Academy of Sciences Beijing 100093 China
2. China National Botanical Garden Beijing 100093 China
3. University of Chinese Academy of Sciences Beijing 100049 China
4. Institute of Grain Crops Xinjiang Academy of Agricultural Sciences Urumchi 830091 China
5. Institute of Crop Science Chinese Academy of Agricultural Sciences Beijing 100081 China
6. Institute of Molecular Breeding for Maize Qilu Normal University Jinan 250200 China
7. Biotechnology Research Institute Chinese Academy of Agricultural Sciences Beijing 100081 China