茄子果萼色遗传研究  

Genetic Research on Fruit Calyx Color in Eggplant

作　　者：乔军[1] 刘富中[1] 陈钰辉[1] 连勇[1] 

机构地区：[1]中国农业科学院蔬菜花卉研究所/国家作物细胞育种工程实验室,北京100081

出　　处：《植物遗传资源学报》2011年第5期806-810,共5页Journal of Plant Genetic Resources

基　　金：农业部园艺作物遗传改良重点开放实验室资助;国家支撑计划(2009BADB8B01)

摘　　要：以绿色和紫色两个果萼颜色差异显著的茄子高代自交系为试验材料,用比色板对果萼颜色进行分级赋值,采用P1、P2、F1、B1、B2和F2六世代联合分析法,研究茄子果萼色性状遗传规律。结果表明:F2分离群体果萼色级值呈单峰偏态分布,说明茄子果萼色为多基因控制的数量性状;茄子果萼色性状遗传符合两对加性-显性-上位性主基因+加性-显性-上位性多基因模型(E-0模型);主基因遗传率较高,为96.82%,可在育种早期进行选种。The P1, P2, F1, B1, B2 , and F2 generations derived from two eggplant inbred lines with green and purple fruit eallyx colors were used to study the inhreitance of eggplant fruit calyx color trait. The results indicated that the grade values of F2 plants showed a single peak and partial distribution. This demonstrated that the fruit calyx color was a quantitative trait controlled by multiple genes. The inheritance of this trait was in agreement with two additive-domi- nant-epistatic major gene ＋ additive-dominat-epistatic polygene model（E-0 Model）. The heritability of major gene was as high as 96.82% ,indicating that this trait can be selected in early ggenerations in breeding programs.

关 键 词：茄子 果萼色 遗传 数量性状 

分 类 号：S641.1[农业科学—蔬菜学]