http://www.ahs.ac.cn/images/0513-353X/images/top-banner1.jpg|#|苹果
http://www.ahs.ac.cn/images/0513-353X/images/top-banner2.jpg|#|甘蓝
http://www.ahs.ac.cn/images/0513-353X/images/top-banner3.jpg|#|菊花
http://www.ahs.ac.cn/images/0513-353X/images/top-banner4.jpg|#|灵芝
http://www.ahs.ac.cn/images/0513-353X/images/top-banner5.jpg|#|桃
http://www.ahs.ac.cn/images/0513-353X/images/top-banner6.jpg|#|黄瓜
http://www.ahs.ac.cn/images/0513-353X/images/top-banner7.jpg|#|蝴蝶兰
http://www.ahs.ac.cn/images/0513-353X/images/top-banner8.jpg|#|樱桃
http://www.ahs.ac.cn/images/0513-353X/images/top-banner9.jpg|#|观赏荷花
http://www.ahs.ac.cn/images/0513-353X/images/top-banner10.jpg|#|菊花
http://www.ahs.ac.cn/images/0513-353X/images/top-banner11.jpg|#|月季
http://www.ahs.ac.cn/images/0513-353X/images/top-banner12.jpg|#|菊花

园艺学报 ›› 2020, Vol. 47 ›› Issue (5): 974-982.doi: 10.16420/j.issn.0513-353x.2019-0825

• 研究报告 • 上一篇    下一篇

结球甘蓝抽薹性遗传规律和QTL定位分析

王五宏,汪精磊,李必元,魏庆镇,胡天华,胡海娇,包崇来*   

  1. 浙江省农业科学院蔬菜研究所,杭州 310021
  • 出版日期:2020-05-25 发布日期:2020-05-25
  • 基金资助:
    国家自然科学基金项目(31372058);浙江省重大科技专项(2012C12903-6)

Genetic and QTL Mapping Analysis of Bolting Time in Cabbage(Brassica oleracea)

WANG Wuhong,WANG Jinglei,LI Biyuan,WEI Qingzhen,HU Tianhua,HU Haijiao,and BAO Chonglai*   

  1. Institute of Vegetables,Zhejiang Academy of Agricultural Sciences,Hangzhou 310021,China
  • Online:2020-05-25 Published:2020-05-25

摘要: 以早抽薹‘S-1’与晚抽薹‘G-1’为亲本,构建F1、BC1、BC2和F2群体,采用植物数量性状主基因 + 多基因混合遗传模型分析法对结球甘蓝抽薹性状进行遗传分析,并采用SLAF-BSA方法对抽薹时间进行QTL定位分析。结果显示,结球甘蓝抽薹性状是由2对加性—显性—上位性主基因 + 加性—显性多基因遗传控制;主基因 + 多基因平均遗传率是93.41%。共检测到2个QTL,分别为2号染色体上的2.31 ~ 3.09 Mb和33.57 ~ 34.40 Mb,总长度为1.61 Mb。

关键词: 甘蓝, 抽薹, 遗传分析, QTL定位

Abstract: We constructed the populations of F1,BC1,BC2,and F2 by using cabbage lines‘S-1’(early flower)and‘G-1’(late flower)as parents and adopted the plant quantitative trait major gene + polygenic mixed genetic model method to analysis the genetic model of bolting time of cabbage. Besides,we used SLAF-BSA technology to mapping the bolting time QTLs. The results showed that the bolting time fitted the model of two additive-dominant-epistatic major genes and additive-dominance polygenes. The average heritability of major genes plus polygenes was 93.41%,which indicated that bolting trait of cabbage was mainly affected by major gene inheritance. Moreover,two QTLs were detected,which located on chromosome C02 2.31–3.09 Mb and 33.57–34.40 Mb,respectively,with a total length of 1.61 Mb.

Key words: cabbage, Brassica oleracea, bolting, genetic analysis, QTL mapping

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