紫薇匍匐平展性状相关表型遗传分析
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- 英文论文题名：Phenotypic and Genetic Analysis of Reptant Plant Type,Applanate Branch and Other Related Characters in Lagerstoemia indica
- 论文作者：石俊 ; 陈之琳 ; 秦波 ; 蔡明 ; 潘会堂 ; 张启翔
- 英文论文作者：SHI Jun ; CHEN Zhi-lin ; QIN Bo ; CAI Ming ; PAN Hui-tang ; ZHANG Qi-xiang ; Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding ; National Engineering Research Center for Floriculture ; Beijing Laboratory of Urban and Rural Ecological Environment and College of Landscape Architecture ; Beijing Forestry University
- 年：2016
- 作者机构：花卉种质创新与分子育种北京市重点实验室国家花卉工程技术研究中心城乡生态环境北京实验室园林学院北京林业大学;
- 论文关键词：紫薇 ; 匍匐平展 ; 表型性状 ; 线性回归 ; 遗传分析
- 英文论文关键词：Lagerstroemia indica ; Reptant plant type ; Applanate branch ; Phenotypic characters ; Linear regression ; Genetic analysis
- 会议召开时间：2016-07-19
- 会议录名称：中国观赏园艺研究进展2016
- 语种：中文
- 分类号：S685.99
- 学会代码：EGYP
- 会议名称：2016年中国观赏园艺学术研讨会
- 会议地点：中国湖南长沙
- 主办单位：中国园艺学会观赏园艺专业委员会、国家花卉工程技术研究中心
- 学会名称：中国园艺学会
- 页数：10
- 文件大小：1591k
- 原文格式：O
- 会议级别：全国
摘要
以直立型的屋久岛紫薇(Lagerstoemia fauriei)(母本)与匍匐平展型的紫薇(Lagerstoemia indica)品种‘Creole'(父本)杂交获得的F_1代群体中随机192株为实验对象,对株型和枝条形态这2个质量性状及与其相关的株高、冠幅、主枝分枝角度等11个数量性状在群体中的遗传变异进行了统计和分析,寻找对株型和枝条形态影响最大的几个数量性状,并对株型和枝条形态的遗传规律进行了初步分析。结果表明:群体中株型的多样性指数为1.050>1,变异显著,而枝条形态多样性指数0.568<1,变异不大,说明前者具有较大遗传改良潜力,而后者遗传改良潜力一般。11个数量性状连续分布,与正态分布曲线拟合较好;通过相关性分析找到了与株型、枝条形态显著相关的数量性状,利用逐步线性回归分析进一步缩小了范围,并得到了最优的线性回归方程y_1=4.155-0.021x_1+0.005x_2+0.009x_3和y_2=2.602-0.008x_1+0.003x_2,可以比较准确预测株型和枝条形态,进而可以辅助育种;通过对紫薇株型和枝条形态的分离比进行遗传分析和χ~2检验,二者分别由一对不完全显性的主效基因和一对完全显性的主效基因控制,并且都受到微效多基因的修饰。
Hereditary variations of two qualitative characters plant type and branch pattern,and 11 quantitative characters of192 F_1 individuals generated from a cross between female Lagerstroemia fauriei and male Lagerstroemia indica' Creole' were measured and analyzed.Its purpose was to find which quantitative characters influenced plant type and branch pattern most.Primary genetic analysis was conducted on plant type and branch pattern of crape myrtle.The results were as follows.Diversity index of plant type was 1.050 greater than 1,and diversity index of branch pattern was 0.568 less than 1.It meant that genetic improvement potential of plant type was great and that of branch pattern was general.Eleven quantitative characters showed a continuous distribution,fitted well with normal distribution curve,and significantly correlated with each other.Correlation analysis showed most quantitative characters significantly correlated with plant type and branch pattern.Further stepwise linear regression analysis reduced the number and got two equation of linear regression:y_1 = 4.155-0.021x_1 +0.005x_2 +0.009x_3 and y_2 =2.602-0.008x_1 +0.003x_2.They would forecast comparable correct in plant type and branch pattern to assist selection.Classical genetic analysis and chi-square test of plant type and branch pattern in Lagerstroemia indica showed that two qualitative characters was respctively controled by a pair incomplete dominant major gene and a pair complete dominat major gene,and they were both modified by minor multiple genes.
Hereditary variations of two qualitative characters plant type and branch pattern,and 11 quantitative characters of192 F_1 individuals generated from a cross between female Lagerstroemia fauriei and male Lagerstroemia indica' Creole' were measured and analyzed.Its purpose was to find which quantitative characters influenced plant type and branch pattern most.Primary genetic analysis was conducted on plant type and branch pattern of crape myrtle.The results were as follows.Diversity index of plant type was 1.050 greater than 1,and diversity index of branch pattern was 0.568 less than 1.It meant that genetic improvement potential of plant type was great and that of branch pattern was general.Eleven quantitative characters showed a continuous distribution,fitted well with normal distribution curve,and significantly correlated with each other.Correlation analysis showed most quantitative characters significantly correlated with plant type and branch pattern.Further stepwise linear regression analysis reduced the number and got two equation of linear regression:y_1 = 4.155-0.021x_1 +0.005x_2 +0.009x_3 and y_2 =2.602-0.008x_1 +0.003x_2.They would forecast comparable correct in plant type and branch pattern to assist selection.Classical genetic analysis and chi-square test of plant type and branch pattern in Lagerstroemia indica showed that two qualitative characters was respctively controled by a pair incomplete dominant major gene and a pair complete dominat major gene,and they were both modified by minor multiple genes.
引文
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2.Dennis J.Werner&Jose X.Chaparro.2005.Genetic interactions of pillar and weeping peach genotypes[J].HortScience40(l):18-20.
3.J.Digby&R.D.Fim.1995.The gravitropic set-point angle(GSA):the identification of an important developmentally controlled variablegoverning plant architecture[J].Plant,Cell and Enviroment.18:1434-1440.
4.Pooler M R.2006.'Arapaho'and'Cheyenne'Lagerstroemia[J].HortScience,41:855-856.
5.Thakur,A.K.,N.Uphoff,and E.Antony.2010.An assessment of physiolpgical effects of sustem of rice intensification(SRI)practices compared with recommended rice cultivation practices in India[J].Exp.Agr.46:77-98.
6.顾翠花.2008.中国紫薇属种质资源及紫薇、南紫薇核心种质构建[D].北京:北京林业大学.
7.顾翠花.2011.我国紫薇天然群体的表型多样性分析[C].中国观赏园艺研究进展2011:22-27.
8.成钰厚,刘国杰.1999.苹果成熟期间果皮花青素含量与果实品质的关系[J].果树科学,16(2):98-103.
9.金宏,惠伟,李瑞婷,等.2009.苹果果皮花青素含量与香气释放量的关系研究[J].陕西农业科学,55(2):12-14.
10.贺丹,唐婉,刘阳,等.2012.尾叶紫薇与紫薇F_1代群体主要表型性状与SSR标记的连锁分析[J].北京林业大学学报,06:121-125.
11.李东风,郑忠国.2008.最优线性回归的计算方法[J].数理统计与管理,27(1):87-95.
12.刘建超,褚群,蔡红光,等.2010.玉米SSR连锁图谱构建及叶面积的QTL定位[J].遗传,06:625-631.
13.刘阳.2013.紫薇微卫星标记开发及矮化性状的分子标记[D].北京:北京林业大学.
14.谭杰锋.2005.评价指标体系中的相关性分析[J].统计与决策,22:147-148.
15.唐启义,冯明光.2006.DPS数据处理系统——实验设计、统计分析及模型优化[M].北京:科学出版社.
16.王献.2004.我国紫薇种质资源及其亲缘关系的研究[D].北京:北京林业大学.
17.王业社,候伯鑫,索志立,等.2015.紫薇品种表型多样性分析[J].植物遗传资源学报,16(1):71-79.
18.杨彦伶,李振芳,王瑞文,等.2011.紫薇家系表型多样性[J].东北林业大学学报,39(5):12-14.
19.张启翔.1991.紫薇品种分类及其在园林中的应用(英文)[J].北京林业大学学报,04:57-66.
20.张洁,王亮生,张晶晶,等.2007.紫薇属植物研究进展[J].园艺学报,01:251-256.
21.张向前,刘景辉,齐冰洁,等.2010.燕麦种质资源主要农艺性状的遗传多样性分析[J].植物遗传资源学报,11(2):201-205.
22.中国植物志编辑委员会.1983,中国植物志[M].北京:科学出版社.
23.中国农业百科全书编辑委员会.1988.中国农业百科全书[M].北京:中国农业出版社.
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