1952年初冬,在中南农林部主持下,组织了中南农科所、湖北省农业厅、华中农学院、宜吕专署园艺场和秭归、宜昌、宜都等县建设科的同志共20人组成甜橙选种队,依据质优、丰产、早熟、耐寒、无核或少核等条件,在宜昌、秭归等地开展甜橙的单株选种工作。结果共选拔优良树36株,其中秭归 In the early winter of 1952, under the auspices of the Ministry of Agriculture and Forestry of Central South China, 20 comrades, including the Central South Agricultural Science Institute, Hubei Provincial Department of Agriculture, Huazhong Agricultural College, Yantai Special Agency horticultural field and Zigui, Yichang, Yidu counties, Orange selection team, according to the high quality, high yield, precocious, cold, no nuclear or less nuclear conditions, in Yichang, Zigui and other places to carry out the orange sweet single species selection work. Results A total of 36 excellent trees were selected, of which Zigui