豌豆花数遗传控制的贡献

Q4 Biochemistry, Genetics and Molecular Biology

Ratarstvo i Povrtarstvo Pub Date : 2016-01-01 DOI:10.5937/RATPOV53-11949

A. Sinjushin, A. Liberzon

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引用次数: 5

摘要

摘要:本文为豌豆(Pisum sativum L.)腋生花序花数的遗传控制提供了新资料。这一特性对农业和进化都有意义。对杂交的分析使我们得出结论，除了先前提出的单基因隐性和累积聚合模式外，两个基因可以以显性上位模式相互作用来控制给定性状。这意味着，如果豌豆植物携带抑制基因的显性等位基因(FN)或包含双隐性纯合子(FN - fna - fna)，那么它们就会发育出多花的腋生总状花序。在第二个子代中，以多花植物为主，可以观察到13:3的比例。

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Contribution to genetic control of flower number in pea (Pisum sativum L.)

Summary: Our paper provides new data on genetic control of flower number per axillary inflorescence in garden pea ( Pisum sativum L.). This trait is of both agricultural and evolutionary interest. Analysis of crosses enabled us to conclude that, in addition to previously proposed models of monogenic recessive and cumulative polymery, two genes can control a given trait interacting in a mode of dominant epistasis. This means that many-flowered axillary racemes develop in pea plants either if they bear a dominant allele of inhibiting gene ( FN ) or comprise double recessive homozygotes ( fn fn fna fna ). In the second filial progeny, 13:3 ratio can be observed with many-flowered plants prevailing.

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来源期刊

Ratarstvo i Povrtarstvo Agricultural and Biological Sciences-Soil Science

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

4 weeks