青花菜花球‘荚叶’性状主基因+多基因遗传分析

园艺学报 ›› 2009, Vol. 36 ›› Issue (11): 1611-161.

青花菜花球‘荚叶’性状主基因+多基因遗传分析

刘二艳;刘玉梅*; 方智远;杨丽梅;庄木;张扬勇;袁素霞;孙继峰;李占省;孙培田

(中国农业科学院蔬菜花卉研究所, 北京100081)

收稿日期:2009-07-24 修回日期:2009-09-30 出版日期:2009-11-25 发布日期:2009-11-25
通讯作者: 刘玉梅

Genetic Ana lysis of Head-leaf Traits Using Mixed Major Gene Plus PolygeneInher itanceModel in Brassica oleracea L. var. italica Planch

LIU Er-yan;LIU Yu-mei*; FANG Zhi-yuan;YANG Li-mei;ZHUANG Mu;ZHANG Yang-yong; YUAN Su-xia;SUN Ji-feng;LI Zhan-sheng;SUN Pei-tian

( Institute of Vegetable and Flowers of Chinese Academy of Agricultural Sciences, Beijing 100081,China)

Received:2009-07-24 Revised:2009-09-30 Online:2009-11-25 Published:2009-11-25
Contact: LIU Yu-mei

摘要/Abstract

摘要： 以青花菜86101 ×90196组合获得的DH群体和配制的6个联合世代( P₁、P₂、F₁、B₁、B₂和F₂ ) 群体为试材, 采用主基因+多基因混合遗传模型对花球‘荚叶’性状进行了遗传分析。DH群体分析结果表明, 花球荚叶性状的遗传受到2对连锁并具有加性—加性×加性—上位性作用主基因+多基因( E-220模型) 的控制; 经6个世代联合分析结果表明, 花球荚叶性状的遗传受到2对加性—显性—上位性主基因+加性—显性—上位性多基因( E模型) 的控制, DH群体的主基因遗传率为70.80% , B₁、B₂和F₂世代主基因遗传率分别为73.59%、57.70%和87.07%。上述结果表明: 青花菜花球荚叶性状的遗传受到2对主基因+多基因的控制, 主基因遗传率相对较高。

关键词: 青花菜, 花球荚叶, 主基因+多基因, 遗传分析

Abstract: A double hap loid (DH ) population and six generations ( P1、P2、F1、B1、B2 and F2 )derived from a broccoli combination of 86101 and 90196 were used to investigate the inheritance of head2leaf trait in the B rassica oleracea L. var. italica Planch by usingmixed major gene p lus polygene inheritance model. The results showed that the head-leaf trait was controlled by linked two additive-additive additive-epitasis major genes plus polygene (E-220 model) in DH population and by two additive-dominant-epitasismajor genes plus additive-dominant-epitasis polygene ( E model) in the joint analysis of the six generations, and the major gene heritability were 70.80% , 73.59%, 57.70% and 87.07% in the DH, B₁ , B₂and F₂populations, respectively. The above results showed that the head-leaf traitwas controlled by two major genes plus polygene, and the major gene heritability was relatively high.

Key words: broccoli, head-leaf, major gene plus polygene, genetic analysis

中图分类号:

S 635

刘二艳;刘玉梅;方智远;杨丽梅;庄木;张扬勇;袁素霞;孙继峰;李占省;孙培田. 青花菜花球‘荚叶’性状主基因+多基因遗传分析[J]. 园艺学报, 2009, 36(11): 1611-161.

LIU Er-yan;LIU Yu-mei;FANG Zhi-yuan;YANG Li-mei;ZHUANG Mu;ZHANG Yang-yong;YUAN Su-xia;SUN Ji-feng;LI Zhan-sheng;SUN Pei-tian. Genetic Ana lysis of Head-leaf Traits Using Mixed Major Gene Plus PolygeneInher itanceModel in Brassica oleracea L. var. italica Planch[J]. ACTA HORTICULTURAE SINICA, 2009, 36(11): 1611-161.

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