油菜花药内向取向的孟德尔遗传

IF 1.2 4区农林科学 Q3 AGRONOMY

Czech Journal of Genetics and Plant Breeding Pub Date : 2022-03-04 DOI:10.17221/107/2021-cjgpb

J. Salava, D. Lydiate

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引用次数: 0

摘要

在温室控制条件下，对油菜(Brassica rapa) 2个B1居群154个个体的花药取向进行了遗传评价。在花完全开放时进行了花药取向的目测。在R-o-18 × (R-o-18 × RM29)群体中观察到的外向比为1:1，在R-o-18 × (R-o-18 × rc -50)群体中观察到的内向比为3:1。结果表明，该性状受外生花药A1、A2两对重复基因控制，当单个显性等位基因存在时，其中任何一对基因都能产生外生花药。当两个位点上的所有等位基因都是隐性的，就会产生内向花药。

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Mendelian inheritance of introrse orientated anthers in Brassica rapa

The inheritance of anther orientation of 154 individuals from two B1 populations of Brassica rapa (syn. Brassica campestris) was evaluated under controlled conditions in a greenhouse. The anther orientation was evaluated visually at the time of fully open flowers. The observed extrorse:introrse ratios were 1 : 1 in R-o-18 × (R-o-18 × RM29) population and 3 : 1 in R-o-18 × (R-o-18 × R c-50) population. It was concluded that this trait is controlled by two duplicated pairs of genes (A1, A2) for extrorse anthers, either of which can produce extrorse anthers when a single dominant allele is present. Introrse anthers result when all alleles at both loci are recessive.

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来源期刊

Czech Journal of Genetics and Plant Breeding Agricultural and Biological Sciences-Plant Science

CiteScore

2.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Original scientific papers, critical reviews articles and short communications from the field of theoretical and applied plant genetics, plant biotechnology and plant breeding. Papers are published in English.