| 王丽，张剑亮，王继华，等.利用SSR 标记分析甘蔗重要亲本粤农73-204及其衍生品种的遗传多样性[J].广东农业科学,2015,42(14):100-104 |
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利用SSR 标记分析甘蔗重要亲本粤农73-204及其衍生品种的遗传多样性 |
| Genetic diversity analysis of YN73-204and its deritives by SSR |
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| DOI： |
| 中文关键词: 甘蔗 SSR 标记 遗传多样性 |
| 英文关键词: sugarcane SSR marker genetic diversity |
| 基金项目: |
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| 中文摘要: |
| 为深入了解甘蔗重要亲本粤农73-204（YN73-204）及其衍生品种之间的遗传关系，利用SSR 标记
研究了甘蔗亲本粤农73-204 及其衍生系、相关品种共计20 份甘蔗材料的遗传多样性。结果显示，52 对SSR 引
物检测到512 个变异位点，每对引物平均为9.8 个，变幅为5-20 个。20 份甘蔗材料遗传多样性GS 变幅为
0.6518-0.9086，整体遗传差异相对较小。54 对引物多态性信息含量（PIC）变幅为0-0.50，平均为0.29。UPGMA
聚类分析将20 份甘蔗材料分成4 大类，聚类结果能较好地反映品种之间的遗传关系。 |
| 英文摘要: |
| In order to evaluate the genetic relationship among sugarcane parent YN73-204 and its deritives, 52
SSR makers were used based on 20 materials of sugarcane parent YN73-204 and its deritives. The results showed
that a total of 512 alleles were detected with range of 5-20 alleles and an average of 9.8 of each SSR primer. Genetic
similarities (GS) were ranged from 0.6518 to 0.9086. Polymorphism information content (PIC) varied from 0 to 0.50,
with average of 0.29. By Clustering analysis with UPGMA method, 20 materials were divided into 4 categories. The
results could be useful to future breeding programs for increasing genetic diversity of sugarcane varieties. |
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