CANG Jing~1 LI Mang-xue~1 ZHANG Da~1 WANG Yu-ying~1 YANG Yang~1 HAO Zai-bin~1 QIU Li-juan~2(1.Life Science College,Northeast Agricultural University,Harbin,Heilongjiang 150030;2.Institute of Crop Sciences,Chinese Academy of Agricultural Sciences,Beijing 100081)