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园艺学报 ›› 2025, Vol. 52 ›› Issue (3): 646-654.doi: 10.16420/j.issn.0513-353x.2024-0351

• 遗传育种·种质资源·分子生物学 • 上一篇    下一篇

万寿菊花色表型数量分类与群体花色遗传研究

吕桂芳1,*, 臧运平2,*, 陶正国3, 刘翠翠1, 张华丽4, 包满珠1, 何燕红1,**()   

  1. 1 华中农业大学园艺林学学院,果蔬园艺作物种质创新与利用全国重点实验室,武汉 430070
    2 云南立达尔生物科技有限公司,云南文山 663100
    3 广州立达尔生物科技股份有限公司,广州 510663
    4 北京市园林绿化科学研究院,北京 100102
  • 收稿日期:2024-06-03 修回日期:2024-12-13 出版日期:2025-03-25 发布日期:2025-03-25
  • 通讯作者:
  • 作者简介:

    *共同第一作者

  • 基金资助:
    广州市重点研发计划项目(2023B03J1375)

The Quantitative Classification of Flower Color Phenotype and Genetic Study for Population Flower Color in Marigold

LÜ Guifang1, ZANG Yunping2, TAO Zhengguo3, LIU Cuicui1, ZHANG Huali4, BAO Manzhu1, HE Yanhong1,**()   

  1. 1 National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops,College of Horticulture and Forestry Sciences,Huazhong Agricultural University,Wuhan 430070,China
    2 Yunnan Lidaer Biological Technology Co. LTD,Wen Shan,Yunnan 663100,China
    3 Guangzhou Lidaer Biotechnology Co. LTD,Guangzhou 510663,China
    4 Beijing Academy of Forestry and Landscape Architecture,Beijing 100102,China
  • Received:2024-06-03 Revised:2024-12-13 Published:2025-03-25 Online:2025-03-25

摘要:

为实现万寿菊花色的数量分类,揭示花色的遗传规律,以46份万寿菊资源和390株万寿菊S5(橘色)× MT(白色)的F2代分离群体为试材,采用色差仪测定花色表型,对亮度值(L*)、红度值(a*)、黄度值(b*)进行聚类分析和遗传分析。根据46份万寿菊资源L*a*b*值聚类分析结果,将其花色分为白色、浅黄色、黄色、橘黄色和橘色5个色系,且各色系的参数分布集中,界限明显。390株F2代分离群体的L*a*b*值呈连续分布,分离广泛。群体花色符合具有主基因 + 多基因效应的数量性状的遗传规律,且推断橘色对白色为不完全显性遗传。

关键词: 万寿菊, 花色, 色差仪, 数量分类, 遗传分析

Abstract:

In order to classify the flower color of marigold and reveal the genetic principle,the 46 marigold resources and a 390-individual F2 population segregating for S5(orange)and MT(white)were used as experimental materials. The generating brightness value L*,redness value a*,and yellowness value b* were further clustered and submitted to genetic analyses. Based on the clustering results of the L*a* and b* values,46 marigold resources were categorized into five distinct color groups: white,light yellow,yellow,orange-yellow and orange. Each group exhibited concentrated and distinct parameter distribution. Moreover,the L*a* and b* values of the 390 individuals in the F2 population displayed continuous distribution and broad segregation. Flower color of the population adhered to the inheritance pattern of quantitative trait governed by a major gene and multiple secondary genes,and the orange color exhibited incomplete dominance over the white color.

Key words: marigold, flower color, colorimeter, quantitative classification, genetic analysis