基因表达系统研究:稻谷产量表达子系统
An Experiment on Expressing System by Profiles: An Expressing Sub-System of Grain Yield in Rice

作者: 林 乔 :原温江地区农科所,成都;

关键词: 水稻谷物产量基因谱群表达系统Rice Grain Yield Profiles Expressing System

摘要:
为了探索基因组如何表达一种特征特性,这些基因谱群是否作为一个子系统在运作而开展的试验。用海南荔枝沟和藤桥两个来源的野生稻不育系源,中国和菲律宾两个保持系源,日本和中国恢复系源,按双列式杂交法配制24个杂交稻组合,田间试验、考种、和统计分析结果:日分蘖率等9个与产量相关的性状,都有较大的广义遗传度,说明他们都是真实遗传的;而狭义遗传度以穴最高苗数、每穗着粒数、结实率、千粒重、株高5项较高,说明它们存在显性上位性基因。因此,有理由认为,这9性状的相关基因谱,组成了水稻基因组中稻谷产量的基因谱群表达子系统。

Abstract: For exploring how genome expresses a trait and whether or not the gene spectrum is as a sub-sys- tem to operate, the experiment is to be taken. There are twenty-four hybrids to be made by the di-allel crossing method with the three line parents of two male sterile lines A1 and A2 from Tengqiao and Lizigou wild abortive rice in Hainan Island. Two maintaining lines of IR160 B1 and Zhenshan 97 B2 derived from different ecological areas, China and the Philippines. In the Six returen lines, three are subspecies Shan Indonica and three are middle type between Shan and Gen Jopanica also. Through plot experiment, plants investigation and statistics analysing, the results is that there are broad heredity with nine traits of grain yield. This just explains that those traits are true inherit-ance. And so, from the perspective of narrow heredity, the five traits, namely, the number of the highest plant, spikelet per panicle, seed set ratio, grain weight and plant height are higher. It means that there exists dominant epistatic gene. Of course, there is a reason to agree that this is a sub-system in rice genome expressing grain yield by profiles.

文章引用: 林 乔 (2014) 基因表达系统研究:稻谷产量表达子系统。 生物医学, 4, 23-30. doi: 10.12677/HJBM.2014.43004

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