National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31801923, 31101596, 31372130]; National Key Research and Development Program of China [2017YFD0200100, 2017YFD0200103]; Hunan Provincial Recruitment Program of Foreign Experts, National Oilseed Rape Production Technology System of China; Double First-class Construction Project of Hunan Agricultural University [kxk201801005]; Ministry of Education of ChinaMinistry of Education, China