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当前位置: 首页 > 文章 > 不同回交代数对乌塌菜核不育系植物学性状和经济性状转育效果的影响 北方园艺 2012 (24) 27-29
Position: Home > Articles > Effects of Different Generations Backcross on Transferring Botanical and Economic Characters in Genetic Male Sterile Line of Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee Northern Horticulture 2012 (24) 27-29

不同回交代数对乌塌菜核不育系植物学性状和经济性状转育效果的影响

作  者：
徐巍;崔金霞;刘慧英;史为民
单  位：
石河子大学农学院
关键词：
乌塌菜;回交;植物学性状;经济性状
摘  要：
为转育植物学性状和经济性状与乌塌菜相似的核基因雄性不育系,将不育源与乌塌菜自交系的杂交一代与乌塌菜轮回亲本进行多代回交,对不同回交世代材料的植物学性状、经济性状、植株群体整齐度与乌塌菜自交系进行比较。结果表明:回交3代性状与乌塌菜自交系非常相近,群体整齐度较高,达到了植物学性状和经济性状转育的目标。因此推断,转育乌塌菜核不育系最佳回交代数为回交3代。
译  名：
Effects of Different Generations Backcross on Transferring Botanical and Economic Characters in Genetic Male Sterile Line of Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee
作  者：
XU Wei,CUI Jin-xia,LIU Hui-ying,SHI Wei-min(College of Agriculture,Shihezi University,Shihezi,Xinjiang 832003)
关键词：
Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee;backcross;botanical characters;economic characters
摘  要：
In order to transfer genetic male sterile line which botanical and economic characters were similar to Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee,a genetic male sterile line of Brassica campesttris L.ssp.chinesis was crossed with the self-line of Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee,then the F1 was backcrossed with the self-line of Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee for several generations.The different generations backcross with the self-line in botanical characters,economic characters and variation degree were compared.The results showed that the materials of three generations backcross were similar to self-line of Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee.Therefore it deduced that three generations backcross were optimum to transfer genetic male sterile line of Brassica campesttris L.ssp.chinesis L.var.rosularis Tsen et Lee.

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