四川省“十二五”育种攻关项目2011NZ0098-10、国家“十二五”科技支撑计划项目2011BAC09B05、国家大学生创新性实验项目1310626021;Supported by the Crops Breeding Project of the ”Twelfth Five-year Plan” of Sichuan Province 2011NZ0098-10,the Key Sci-tech Project of the ”Twelfth Five-year Plan” of China 2011BAC09B05 and the National Undergraduates Innovating Experimentation Project 1310626021