| 华北地区甜菜品系遗传多样性的SRAP分析 |
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| 引用本文： | 王茂芊,白晨. 华北地区甜菜品系遗传多样性的SRAP分析[J]. 内蒙古农业科技, 2010, 0(2): 29-32,83. DOI: 10.3969/j.jssn.1007-0907.2010.02.014 |
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| 作者姓名： | 王茂芊 白晨 |
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| 作者单位： | 1. 内蒙古农业大学,内蒙古,呼和浩特010018
2. 内蒙古农牧业科学院,甜菜研究所,内蒙古,呼和浩特010031 |
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| 基金项目： | 甜菜现代产业技术体系——遗传改良岗位(nycytx-25-02) |
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| 摘 要： | 为研究华北地区甜菜品系的遗传多样性,首先利用4个表型差异显著的甜菜品系就88对SRAP引物组合进行筛选,筛选出多态性高、稳定性好的引物组合33对,然后利用33对引物对华北地区有代表性的72份甜菜材料进行了遗传多样性分析。33对引物组合共扩增出604条带,其中多态性条带319条,多态性条带的比率平均为53.0%,较好的显示了华北地区甜菜材料丰富的遗传多样性。经聚类分析,在阈值0.20处,可将供试材料分为四大类群,从聚类图来看,没有一个国产甜菜品系和外国品系归为一类,遗传相似系数平均值大小为国外引进品系0.8552>单胚品系0.8009>多胚二倍体品系0.7068>多胚四倍体品系0.6592。从SRAP扩增条带来看,外国材料只有8～12条,华北地区的材料有13～25条之多,表明外国引进材料与华北地区自有材料之间确实存在较大差异。
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| 关 键 词： | 甜菜品系 SRAP标记 遗传多样性 |
SRAP Marker of Sugar Beet in North China |
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| WANG Mao-qian. SRAP Marker of Sugar Beet in North China[J]. Inner Mongolia Agricultural Science and Technology, 2010, 0(2): 29-32,83. DOI: 10.3969/j.jssn.1007-0907.2010.02.014 |
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| Authors: | WANG Mao-qian |
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| Affiliation: | Inner Mongolia Agricultural University/a>;Huhhot 010018/a>;China |
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| Abstract: | To study the genetic diversity of sugar beets,four lines of sugar beet markedly distinct in phenotype were used to screen 88 pairs of SRAP primers,and 33 pairs of SRAP primers with high polymorphism and good stability were selected and used to analyze the genetic diversity of 72 beets lines which were representation in the North China.The result as following: A total of 604 SRAP bands(including 319 polymorphic bands) were detected and the average ratio of polymorphic SRAP bands was 53.0%.The materials teste... |
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| Keywords: | Sugar beet lines SRAP marker Genetic diversity |
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