教育部科学技术研究重大项目313032;国家自然科学基金31370285;国家转基因生物新品种培育科技重大专项2014ZX08009-030B-002。This work was supported by the Key Grant Project of the Chinese Ministry of EducationGrant 313032;the National Natural Science Foun-dation of ChinaGrant 31370285;the Major Technological Program on Cultivation of New Varieties of Genetically Modiifed OrganismsGrant 2014ZX08009-030B-002