On the morning of May 21 , 2023 , Zheng Hongjian , chairman of the Yangtze River Delta Fresh Corn Industry Technology Innovation Alliance and deputy director of the Institute of Crop Breeding and Cultivation of the Shanghai Academy of Agricultural Sciences , led the alliance member Lu You , director of breeding at the Crop Institute of the Shanghai Academy of Agricultural Sciences . Researcher Lin , Researcher Lin Jinyuan , Chairman of Shanghai Nongke Seeds and Seedlings Co , Ltd , Researcher Lu Guihua , Director of the Corn Institute of Zhejiang Academy of Agricultural Sciences , Researcher Chen Yanping , Director of the Corn Office of Jiangsu Academy of Agricultural Sciences , Professor Dai Huixue of Nanjing Vegetable Research Institute , Researcher Wang Shiji from the Tobacco Institute of Anhui Academy of Agricultural Sciences visited Hefeng Seed Feidong Shitang National Crop Exhibition and Evaluation Base for inspection and guidance . Researcher Liu Yuheng , a third-level researcher of Anhui Seed Management Station , researcher Yu Qinglai , deputy director of the Tobacco Institute of Anhui Academy of Agricultural Sciences , and Guan Jingping , general manager of Hefeng Seed Industry , participated in the investigation .