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引起短颖野生稻和光稃野稻 F1 弱势的基因分布与效应。

The Distribution and Effects of Genes Causing F(1) Weakness in ORYZA BREVILIGULATA and O. GLABERRIMA.

机构信息

Institute of Botany, Academia Sinica, Nankang, Taipei, Taiwan.

出版信息

Genetics. 1972 Jan;70(1):163-73. doi: 10.1093/genetics/70.1.163.

Abstract

Weakness of F(1) plants is frequently found in hybrids between strains of Oryza breviligulata (wild) and O. glaberrima (cultivated rice) endemic to West Africa. A set of two complementary dominant weakness genes, W(1) and W(2), was found to control the observed F(1) weakness. Many breviligulata strains had W(1), while most of the glaberrima and semi-wild strains had W(2) or were free of both. In the weak F(1) plants, tissue differentiation in adventitious roots seemed to be disturbed. Modifier genes affecting the expression of the weakness genes appear to be present also.

摘要

在西非特有的野生稻种短舌野败籼(Oryza breviligulata)和栽培稻种光稃野败籼(O. glaberrima)的杂交种中,经常会发现 F1 植株的弱势现象。一组两个互补的显性弱势基因 W(1)和 W(2)被发现控制着观察到的 F1 弱势现象。许多短舌野败籼品种都有 W(1),而大多数光稃野败籼和半野生品种都有 W(2)或两者都没有。在弱势的 F1 植株中,不定根的组织分化似乎受到了干扰。影响弱势基因表达的修饰基因似乎也存在。

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Experimental studies on the origin of cultivated rice.关于栽培稻起源的实验研究。
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