玉米产量QTL和杂种优势遗传基础研究进展

被引:80
作者
向道权
黄烈健
戴景瑞
机构
[1] 中国农业大学植物科技学院,中国农业大学植物科技学院,中国农业大学植物科技学院,
关键词
产量 QTL; 遗传图谱; 杂种优势; 基因网络系统; 自组织; 基因表达调控;
D O I
暂无
中图分类号
S513 [玉米(玉蜀黍)];
学科分类号
090104 [作物信息科学与技术];
摘要
综述了分子标记在玉米产量 QTL 和杂种优势遗传基础方面的概况。对玉米产量 QTL 的研究方法,QTL 数目、位置和遗传效应及应用作了介绍。比较了多种利用 QTL 结果对杂种优势的解释。作者认为,杂种优势的产生是显性效应,超显性效应和上位性效应共同作用的结果,不可能只是一种基因效应在起作用。并提出杂种通过自组织理论而形成的最优基因表达调控是杂种优势形成的理论基础。
引用
收藏
页码:1 / 7
页数:7
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