小麦幼胚组织培养力的遗传研究

被引：8

作者：

徐星明

于飞

胡适全

机构：

[1] 中国水稻研究所,中国水稻研究所,中国科学院遗传研究所杭州,杭州,北京

来源：

遗传 | 1991年 / 06期

关键词：

普通小麦; 幼胚培养; 组织培养力; 遗传;

D O I：

10.16288/j.yczz.1991.06.013

中图分类号：

学科分类号：

摘要：

在整个小麦幼胚培养周期内,愈伤组织的诱导、生长、根芽原基的形成和幼苗再生等各个阶段都受遗传机制所控制。多数研究表明,小麦幼胚培养力是受少数主基因控制的“质量性状”,同时也存在一些修饰基因,并且许多控制幼胚培养力的基因位于染色体B上,而且第2、4、6部分同源染色体群对幼胚培养力的影响较大。小麦幼胚培养力也与细胞质因子有关,特定的核质组合与培养条件的互作对幼胚培养力有密切的关系。多数研究者注意到,小麦幼胚培养力可能与小麦Rht和D3等矮源基因(dwarfinggene)有关,并认为这类基因可能通过植物激素代谢及渗透势变化等调控小麦幼胚培养力。

引用

页码：34 / 37

页数：4

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