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园艺学报 ›› 2007, Vol. 34 ›› Issue (1): 93-93098.

• 蔬菜 • 上一篇    下一篇

甘蓝显性雄性不育材料DGMS79-399-3不育性的遗传效应分析

严慧玲1 ; 方智远1*
; 刘玉梅1 ; 王永健2 ; 杨丽梅1 ; 庄 木1 ; 张扬勇1 ;孙培田1
  

  1. (1 中国农业科学院蔬菜花卉研究所, 北京100081; 2 北京市农林科学院蔬菜中心, 北京100089)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-02-25 发布日期:2007-02-25

Genetic Effect of Sterility of the Dominant Genic Male Sterile Materile(DGMS79-399-3) in Cabbage ( Brassica oleracea var. capitata L. )

YAN Hui-ling1 ;FANG Zhi-yuan1*
; LIU Yu-mei1 ; WANG Yong-jian2 ; YANG Li-mei1 ;ZHUANG Mu1 ;ZHANG Yang-yong1 ;SUN Pei-tian1
  

  1. (1 Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China; 2Vegetable ResearchCenter, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100089,China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-02-25 Published:2007-02-25

摘要: 采用两种不同的遗传分析模型, 研究了甘蓝显性雄性不育材料DGMS79-399-3不育性的遗传
效应。结果表明, 运用Griffing Ⅱ的方法进行遗传效应的分析, 就不育度而言, 加性作用的方差占总的遗
传方差为21.89% , 而显性作用的方差为78.11%; 广义遗传力为97.22% , 狭义遗传力为21.23%。配
合力的比较结果表明, 5个不育亲本中, 523-16的一般配合力最高, 达3.17; 特殊配合力最高的组合是
606-7 ×102, 达10.42。用6个世代联合分析的方法进行遗传规律的研究, 结果表明, 影响甘蓝显性雄性
不育材料育性的最适遗传模型为一对加性- 显性主基因+加性- 显性- 上位性多基因模型(D模型) ,
主基因的遗传率为82.03% ~94.12% , 微效基因的遗传率为0.14% ~10.94% , 两种遗传分析模型研究
结果均表明: 主基因的显性作用在不育性表达中占主导地位, 但主基因的加性作用以及微效基因的影响
也不可忽视。

关键词: 甘蓝, 显性雄性不育性, 遗传效应

Abstract: Genetic effect of the dominant genic male sterile material DGMS79-399-3 in cabbage (Brassi
ca oleracea
var. capitata L. ) was studied with two different genetic analysismodels. The principle of genetics
was studied with the method of GriffingⅡ, and the result showed that the variance of additive effect in the total
genetic variance was only 21189% , but the dominant variance was 78.11%. The value of the broad
heritability was 97.22% , but the value of narrow heritability was only 21.23%. The result of comparison of
combining ability, in the five male sterile parents, the highest general combining ability of P1 from 523-16 was
3.17, but the highest special combining ability from the combination of 606-7 ×102 was 10.42. The p rinciple
of geneticswas studied with joint analysis of six generations and the result indicated that the best fitted genetic
model affecting fertile characteristics of the dominant genetic male sterility in cabbage was one major additive
dominant gene p lus additive2dominant2ep istatic polygenes (D model) , the heritability of major gene was
80.03% - 94.12% , and the heritability of polygeneswas 0.14% - 10.94%. The major dominant gene had
an important effect, however, the additive effect ofmajor gene and the polygenes effect should be also valued.

Key words: Cabbage, The dominant genetic male sterility, Genetic effect