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新桂5号是仲恺农业技术学院用双桂一号为母本,IR26为父本进行杂交,在接种发病条件下,从杂种后代中选择抗病性能好,经济性状象双桂一号的优良单株,与轮回亲本双桂一号连续回交至第四代,再行自交选育而成的早造中迟熟新品种。1986年晚造,我镇南派11队、镇农科站翻秋试种2亩,亩产分别为550公斤和478.5公斤。1987年早造再种植80亩,海心13队45亩,平均亩产525.5公斤,最高亩产562.5公斤,最低亩产454.5公斤。1987年早造参加镇农科站品比和表证试验,均获第一。品比试验,新桂6号亩产460.2公斤,分别比特青2号(亩产453.7公斤)、桂朝2号(亩产415.85公斤)、七桂早(亩产347.6公斤),每
Xin-gui 5 is the Zhongkai agricultural technology college with Shuanggui as the female parent, IR26 as the male parent hybrid inoculation onset conditions, choose from offspring of the offspring disease resistance, economic performance as good Single plant, and the reincarnated parent Shuangui on the 1st back to the fourth generation of continuous row, and then self-selection and breeding of early made late maturity new varieties. Made late 1986, 11 teams in our town south, the town of Agricultural Station autumn trial 2 acres, respectively, 550 kg and 478.5 kg per mu. As early as 1987 to plant 80 acres of early planting, sea heart 13 team 45 acres, the average yield of 525.5 kilograms, the highest yield 562.5 kilograms, the lowest per mu 454.5 kilograms. As early as 1987 to participate in the town agricultural station product ratio and the certificate test, were the first. The yield ratio of Xinui 6 was 460.2 kg per mu, including Beit Qing 2 (453.7 kg per mu), Guizhao 2 (415.85 kg per mu), Qi Guizao (347.6 kg per mu)