文献类型：期刊文献

中文题名：山苍子家系幼林生长性状遗传变异及稳定性分析

英文题名：Analysis of the Genetic Variation and Stability of Growth Traits of Litsea cubeba Young Plantation

作者：李红盛[1,2] 汪阳东[1] 徐刚标[2] 陈益存[1] 吴立文[1] 余孟杨[3] 高暝[1]

第一作者：李红盛

机构：[1]中国林业科学研究院亚热带林业研究所;[2]中南林业科技大学林学院;[3]福建省清流国有林场

年份：2018

卷号：31

期号：5

起止页码：168-175

中文期刊名：林业科学研究

外文期刊名：Forest Research

收录：CSTPCD;;Scopus;北大核心:【北大核心2017】；CSCD:【CSCD2017_2018】；

基金："十三五"国家重点研发计划"林业资源培育及高效利用技术创新"重点专项(2017YFD0600704)

语种：中文

中文关键词：山苍子;家系;多点试验;生长性状;遗传变异;稳定性

外文关键词：Litsea cubeba;family;muhipoint test;growth traits;genetic variation;stability

分类号：S718.46

摘要：[目的]对山苍子不同家系幼林生长性状进行遗传变异及稳定性分析,为山苍子优良家系选择及推广提供参考。[方法]以13个半同胞山苍子家系为材料,采用随机区组设计,分别在重庆万州、湖北京山和福建清流3个试验点营建家系试验林。对23年生山苍子幼林的树高和地径性状进行测定和多点联合分析,并采用AMMI模型对山苍子各家系的生长稳定性进行评价。[结果](1)山苍子家系的树高和地径在家系和地点效应上均达到显著(0. 01 [Objective]To provide reference for the follow-up family selection and variety extension by genetic variation analysis and stability evaluation of the growth traits of Litsea cubeba families. [Method]13 L. cubeba families were used to establish pedigree test forests in Wanzhou of Chongqing Municipality,Jingshan of Hubei Province and Qingliu of Fujian Province,which were designed in randomized complete blocks. The height and ground diameter were measured and analyzed when the forests were 2-years-old,then the growth performance and stability of different L. cubeba families were evaluated by AMMI model. [Result]（ 1） Both the family and site effect of height and ground diameter were significant（ 0. 01〈 P〈0. 05） or highly significant（ P〈0. 01）,the interaction effect of family and site of ground diameter was significant（ 0. 01〈 P〈0. 05）; the phenotypic variance coefficient of heightand ground diameter ranged from 20. 98% to 29. 27%; the genetic variation coefficient of which ranged from0. 62% to 20. 35%; and both the phenotypic and genetic variance coefficient of ground diameter were generally larger than that of height; the family heritability of tree height ranged from 0. 003 to 0. 578,and the family heritability of ground diameter ranged from 0. 455 to 0. 806.（ 2） Both the families JY2 and GX4 performed well in ground diameter and stability. [Conclusion] The family and site effect of height and ground diameter are both significant（ 0. 01〈 P〈0. 05） or highly significant（ P〈0. 01）,there is rich genetic variation. In the family level,the height of tree is genetically controlled by low to medium intensity,and the ground diameter is genetically controlled by medium to high intensity. The growth of different families performs best in Qingliu,followed by Jingshan,and the worst in Wanzhou. The families JY2 and GX4 show good ground diameter performance and high stability.