万寿菊花色表型数量分类与群体花色遗传研究  

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

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作  者:吕桂芳 臧运平 陶正国 刘翠翠 张华丽 包满珠[1] 何燕红[1] LÜGuifang;ZANG Yunping;TAO Zhengguo;LIU Cuicui;ZHANG Huali;BAO Manzhu;and HE Yanhong(National Key Laboratory for Germplasm Innovation&Utilization of Horticultural Crops,College of Horticulture and Forestry Sciences,Huazhong Agricultural University,Wuhan 430070,China;Yunnan Lidaer Biological Technology Co.LTD,Wen Shan,Yunnan 663100,China;Guangzhou Lidaer Biotechnology Co.LTD,Guangzhou 510663,China;Beijing Academy of Forestry and Landscape Architecture,Beijing 100102,China)

机构地区:[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

出  处:《园艺学报》2025年第3期646-654,共9页Acta Horticulturae Sinica

基  金:广州市重点研发计划项目(2023B03J1375)。

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。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.

关 键 词:万寿菊 花色 色差仪 数量分类 遗传分析 

分 类 号:S682.11[农业科学—观赏园艺]

 

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