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湘科2号脐橙是从纽荷尔脐橙芽变中选育出来的椭圆形脐橙新品种。2002~2013年,在石门、澧县、长沙、湘乡、宜章和江华等地对该品种进行区域试验。结果表明,该品种果实均呈椭圆形,果形指数为1.14~1.19,果形一致;单株产量较高,最高可达38.60 kg/株,丰产潜力大;且在不同区域和不同年份,遗传性状表现稳定。该品种始花期在湘南(宜章、江华)比湘中(长沙、湘乡)早8 d左右,比湘北(石门、澧县)早15 d左右,抽梢期在湘南比湘中早6~11 d,比湘北早7~16 d;果实成熟期均在11月中下旬。
Xiang Branch No. 2 navel orange navel orange bud from Newhall breeding in the new oval-shaped navel orange varieties. From 2002 to 2013, regional trials of the variety were conducted in Shimen, Pixian, Changsha, Xiangxiang, Yizhang and Jianghua. The results showed that the fruit of all cultivars were oval in shape with the fruit shape index of 1.14-1.19, the same fruit shape. The higher yield per plant was 38.60 kg / plant, with high yield potential. In different regions and years, Traits of stable performance. The flowering period of this variety was about 8 d earlier than that of Xiangzhong (Changsha and Xiangxiang) in Shonan (Yizhang and Jianghua) and about 15 days earlier than that in Xiangbei (Shimen and Juxian) 11 d, 7 ~ 16 d earlier than the northern Hunan; fruit maturity in late November.