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梨属植物等位酶遗传多样性研究
引用本文:胡红菊,王友平,张靖国,田瑞,陈启亮,杨晓平. 梨属植物等位酶遗传多样性研究[J]. 中国农学通报, 2008, 24(11): 319-323
作者姓名:胡红菊  王友平  张靖国  田瑞  陈启亮  杨晓平
作者单位:湖北省农业科学院果树茶叶研究所,武汉,430209
基金项目:科技部科技基础条件平台建设计划
摘    要:利用超薄平板微型聚丙烯酰胺凝胶的等电聚焦电泳技术,对286份梨材料进行了等位酶遗传变异分析。在8个酶系中共检测到19个清晰位点和82个等位基因,19个位点均为多态位点,位点最大等位基因数为6,体现出梨丰富的遗传种质多样性;不同的居群具有特有等位基因;通过82个等位基因可以将286份材料完全区分开,表明等位酶基因型指纹可用作梨品种区分与鉴定的依据。

关 键 词:广占63S  广占63S  籼粳型父本  产量性状  相关分析  通径系数  
收稿时间:2008-08-12
修稿时间:2008-09-15

Allozyme Analysis of Genetic Diversity in Pyrus spp.
Hu Hongju,Wang Youping,Zhang Jingguo,Tian Rui,Chen Qiliang,Yang Xiaoping. Allozyme Analysis of Genetic Diversity in Pyrus spp.[J]. Chinese Agricultural Science Bulletin, 2008, 24(11): 319-323
Authors:Hu Hongju  Wang Youping  Zhang Jingguo  Tian Rui  Chen Qiliang  Yang Xiaoping
Abstract:Allozymic variation of 286 pear materials were investigated using vertical slab polyacrylamide gel electrophoresis.82 alleles of 19 loci in 8 enzyme systems were detected.All loci are polymorphic.The maximum number of alleles in a locus is 6.The result demonstrated a rich genetic diversity in pear germplasm.some specific alleles were detected in different population.Based on multi-locos genotype fingerprinting cultivars with82 alleles, 286 pear materials were clear identified, suggesting allozyme is a useful marker for peach cultivars identification.
Keywords:Pyrus spp.   allozyme   population   genetic diversity
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