Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided Dai Jingrui, maize genetic breeder, agricultural educator and academician of the Chinese Academy of Engineering, inspected and guided