低温下茄子成株期几个农艺性状的遗传分析  

Genetic Analysis of Agronomic Characters at Adult Stage Under Low Temperature in Eggplant

作　　者：阎世江[1] 张继宁[1] 刘洁[2] 

机构地区：[1]山西省农业科学院蔬菜研究所,太原030031 [2]山西省农业科学院科技情报研究所,太原030031

出　　处：《植物遗传资源学报》2012年第5期884-889,共6页Journal of Plant Genetic Resources

基　　金：山西省农业科学院博士基金(ybsjj0909)

摘　　要：利用耐低温性不同的6份茄子材料,按Griffing方法Ⅱ配制完全双列杂交组合,对亲本与F1进行低温处理(日间15～20℃,夜间10℃),在成株期调查耐低温性、株高、株幅、结果数、产量、单果重等性状,研究上述性状的遗传规律及相互间的关系。结果表明:低温处理后株高、株幅的差异不显著,耐低温性、结果数、产量和单果重量差异显著,耐低温性、结果数、产量和单果重的遗传符合加性-显性模型,广义遗传力分别为84.030%、68.110%、94.711%和58.921%,狭义遗传力分别为75.821%、60.801%、6.191%和49.632%。相关分析表明,结果数对耐低温性来说是一个重要性状,其他性状影响较小。Using 6 materials with different tolerance of low temperature,15 crosses were obtained using the Griffing diallel cross II design.The parents and F1 were carried on low-temperature treatment of given 15-20℃/10℃ in day time/night-time,at adult stage several characters such as the chilling tolerance,plant height,plant width,fruit number,yield,single fruit weight,and genetic rule of characters and relations were investigated.The results showed that：there was no obvious difference among plant height and width;there were obvious difference among chilling tolerance,fruit number,yield,and single fruit weight after low temperature treatment;chilling tolerance,fruit number,yield,and single fruit weight were all in accordance with additive-dominant model.Broad heritability were 84.030%,68.110%,94.711%,58.921%;narrow heritability were 75.821%,60.801%,6.191%,49.632%.Correlation analysis indicated that fruit number was the most important character of the chilling tolerance of eggplant,the other characters＇effects were less.

关 键 词：低温 茄子 农艺性状 遗传 

分 类 号：S641.1[农业科学—蔬菜学]