[1]朱亚艳,任世超,徐嘉娟,等. 顶坛花椒结实性状表型多样性分析[J].西北林学院学报,2016,31(6):140-145.[doi:10.3969/j.issn.1001-7461.2016.06.24]
　ZHU Ya-yan,REN Shi-chao,XU Jia-juan,et al. Phenotypic Diversity of Fruit Bearing Characters in Zanthoxylum planispinum var.dingtanensis[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(6):140-145.[doi:10.3969/j.issn.1001-7461.2016.06.24]
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 顶坛花椒结实性状表型多样性分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第6期
页码:
140-145
栏目:
出版日期:
2016-11-30

文章信息/Info

Title:
 Phenotypic Diversity of Fruit Bearing Characters in Zanthoxylum planispinum var.dingtanensis
文章编号:
1001-7461(2016)06-0140-06
作者:
 朱亚艳1; 任世超2; 徐嘉娟1; 侯娜1*
 （1.贵州省林业科学研究院，贵州 贵阳 550005；2.关岭县板贵乡林业站，贵州 关岭 561301）
Author(s):
 ZHU Ya-yan1; REN Shi-chao2; XU Jia-juan1; HOU Na1*
 （1.Guizhou Academy of Forestry,Guiyang,Guizhou 550005,China; 2.Bangui Forestry Station,Guanling,Guizhou 561301,China）
关键词:
 ; 顶坛花椒; 表型多样性; 变异
Keywords:
 ; Zanthoxylum planispinum var.dingtanensis;  phenotypic diversity;  variation
分类号:
S722.5
DOI:
10.3969/j.issn.1001-7461.2016.06.24
文献标志码:
A
摘要:
 以贵州花江峡谷地区特有经济树种顶坛花椒为研究对象，按海拔、坡向因素选取3个群体32个单株，调查了9个结实性状，采用多重比较、变异系数、相关分析、聚类分析等方法，分析顶坛花椒结实性状的多样性及群体间和群体内的变异特征和变异规律。结果表明，顶坛花椒结实性状在群体间和群体内均存在丰富的变异。3个群体9个性状的平均变异系数为29.81%（17.36%~50.96%），9个形态性状的平均变异系数由大到小的顺序依次为果穗果粒密度（47.56%）>果穗果粒数（44.43%）>枝条结果部位长度（33.71%）>果穗宽（28.75%）>果枝直径（25.21%）>果穗长（24.61%）>果枝长宽比（22.54%）>果穗长宽比（21.23%）>果枝果穗密度（20.20%），表明果枝果穗密度和果穗长宽比较为稳定，而果穗果粒密度和果穗果粒数稳定性较低。相关分析表明，果穗性状和枝条性状间无显著相关关系。聚类分析表明，顶坛花椒结实性状的变异无空间特异性。为顶坛花椒种质资源的评价、利用及遗传改良提供了依据。
Abstract:
 Taking Zanthoxylum planispinum var.dingtanensis occurring in valley area of Huajiang,Guizhou Province as research object,32 individual plants in 3 populations were sampled based on altitude and slope direction.Nine phenotypic traits were investigated by using multi-comparison，coefficient of variation (C.V)，correlation analysis and cluster analysis to understand the diversity of fruiting characters,variation features within and between populations.The results showed that there were significant differences among the populations and individuals.The C.V of 9 traits ranged from 17.36% to 50.96%,with an average of 29.81%,and the order of average C.V for 9 phenotypic traits was in the order of fruit density (47.56%)>fruit numbers (44.43%)>fruited position length of branches (33.71%)>ear transverse diameter (28.5%)>branch diameter (25.21%)>ear longitudinal diameter (24.61%)>branch aspect ratio (22.45%)>length-width ratio of ear (21.23%)>ear density (20.20%),the stabilities of ears length-width ratio and density were higher than those of other traits.Based on the correlation analysis,there were no significant correlation between the ear and bearing branch traits.The cluster analysis of 9 phenotypic characters from 32 individuals showed that there was no spatial specificity of bearing characters in Z.planispinum var.dingtanensis populations.The present study provided a scientific basis for the evaluation and use of germplasm resources,and genetic improvement of Z.planispinum var.dingtanensis.

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备注/Memo

备注/Memo:
 收稿日期：2016-01-26修回日期：2016-03-14
基金项目：贵州省科技厅中药现代化项目（黔科合ZY字［2012］3002号）；贵州省安顺市农业科技合作攻关项目（黔安科农合［2013］10号）。
作者简介：朱亚艳，女，硕士，研究方向：林木遗传改良。E-mail：zyynjfu@163.com
*通信作者：侯娜，女，工程师，研究方向：森林培育。E-mail：houna1018@163.com
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