分子标记技术在甜菜育种中的应用 |
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引用本文: | 倪洪涛,倪洪波,张福顺. 分子标记技术在甜菜育种中的应用[J]. 中国农学通报, 2016, 32(16): 132-137. DOI: 10.11924/j.issn.1000-6850.casb16020020 |
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作者姓名: | 倪洪涛 倪洪波 张福顺 |
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作者单位: | 黑龙江大学农业资源与环境学院,黑龙江省宾县种子管理站,黑龙江大学农作物研究院 |
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基金项目: | 黑龙江省教育厅科学技术研究项目“用分子标记进行甜菜杂种优势群划分的研究”(12541648)。 |
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摘 要: | 分子标记技术与常规育种技术相互紧密结合能显著提高育种效率。为了更好地阐明分子标记在甜菜育种中的作用,总结了国内外分子标记在甜菜亲缘关系及遗传多样性研究、遗传连锁图谱构建、数量性状基因定位(QTL)、分子标记辅助选择育种、杂种优势及种质鉴定中的研究现状和存在的问题。指出建立相应的高效分子标记辅助选育体系,创造出高产、优质、多抗或具广谱抗性的甜菜种质或品种是甜菜分子育种的研究方向。当前甜菜种质资源鉴定的关键任务是大力开发新型的分子标记进行甜菜种质资源遗传分析,绘制指纹图谱、进一步构建甜菜种质分子身份证。今后应加强对甜菜重要农艺性状基因进行精细定位,充分发掘QTL的信息,构建更为饱和的分子标记连锁图谱。
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关 键 词: | 汛期降雨 汛期降雨 突变分析 小波分析 Hurst指数试验 趋势预测 |
收稿时间: | 2016-02-03 |
修稿时间: | 2016-03-31 |
Application of Molecular Marker Technologies in Sugarbeet Breeding |
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Abstract: | Molecular markers closely combined with conventional breeding techniques can significantly improve the breeding efficiency. In order to clarify the roles of molecular markers in sugarbeet breeding more clearly, the research status and the existing problems of molecular marker technologies and its application in sugar-beet breeding and genetic diversity analysis, genetic linkage map construction, quantitative trait locus (QTL), marker-assisted selection(MAS), heterosis and germplasm dentification was summarized. The research direction of molecular breeding in sugarbeet is the establishment of the corresponding efficient molecular marker-assisted selection system, and the creation sugarbeet germplasm or cultivars with high quality, high yield, and multi- resistance or broad-spectrum resistance. The key duty in current sugar-beet germplasm identification is developing new molecular markers applied the genetic analysis, fingerprinting and further constructing sugarbeet germplasm molecular identity. At the same time, fine mapping of important agronomic trait genes, fully exploring of QTL information and the building of more saturated molecular marker linkage map should be strengthened. |
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Keywords: | sugarbeet molecular marker technologies breeding marker-assisted selection |
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