甜菜新品种中甜—吉甜208的选育

The Breeding of Sugar beet New Variety Zhongtian-jitian208

中甜—吉甜 2 0 8系二倍体多粒型甜菜雄性不育杂交品种。其亲本选用吉 75- 2 7不育系为母本 ,以本所育成的JT2 - 750 3- 3652 8为父本 ,母∶父本以 5∶1配比杂交制种。该品种经 1 993、1 995年在范家屯设置小区试验 ;1 996～ 1 998年参加第五届国家甜菜品种区域试验 ;1 999年进行了生产试验。该品种适应性广 ,抗病性强 ,生产力高。区域试验结果表明 :根产量比当地主要推广品种 (对照 )增产 1 9 7% ,含糖率提高 0 69度 ,产糖量增加 2 5 1 % ,生产试验结果表明 :根产量比对照增产 1 8 2 % ,含糖率比对照提高 0 65度 ,产糖量比对照提高 2 3 5%。该品种属于丰产兼标准型品种。

Sugar beet new variety zhongtian-jitian 208 is diploid multiple fruit MS hybrid variety.Its mother plant is ji 75-27 sterile line and father plant is JT2-7503-36528 bred by scientists of JiLin provincial sugar beet and sugar industry institute,the ratio of mother and father plants was 5∶1.The variety has been trialed in FanJiatun 1993 and 1995,tested in 5 th national demonstration from 1996 to 1998,experimented for agriculaural production in 1999.The results showed in national demonstration and production experiment respectively,the root yield,sugar content and sugar yield increaseed by 19.7%,0.69°S,25.1%,18.2,0.65°S,and 23.5% to local commercial variety (CK) respectively.The variety belongs to higher yield and normal type varity.