滇西腾冲红花油茶天然居群种实表型性状变异分析

靳高中; 任华东; 姚小华; 王开良; 杨水平

doi:10.3969/j.issn.1000-2006.2013.06.011

靳高中,任华东,姚小华,王开良,杨水平

南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (06) : 53-58.

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南京林业大学学报（自然科学版） ›› 2013, Vol. 37 ›› Issue (06) : 53-58. DOI: 10.3969/j.issn.1000-2006.2013.06.011

研究论文

滇西腾冲红花油茶天然居群种实表型性状变异分析

靳高中¹,任华东^2*,姚小华²,王开良²,杨水平³

作者信息 +

Study on phenotypic diversity of seed and fruit in natural populations of Camellia reticulate f.simplex in the west of Yunnan,China

JIN Gaozhong¹, REN Huadong^2*, YAO Xiaohua², WANG Kailiang², YANG Shuiping³

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摘要

运用变异系数、相对极差、相关分析、巢式方差分析、方差分量比、表型分化系数及层次聚类等方法对腾冲红花油茶12个天然居群种实性状表型多样性进行分析。结果显示:腾冲红花油茶各种实性状在居群间和居群内均存在显著或极显著的差异,且居群内的变异远大于居群间的变异; 不同性状变异程度最高的是单果鲜籽质量(42.99%)、单果质量(38.17%)和单籽质量(31.66%),其次是果高(15.69%)和果径(14.01%),果形指数变异程度(13.75%)最小; 不同居群变异程度最高的是居群MS1(30.05%),最低的是居群MS3(15.3%),平均居群变异程度为24.83%; 不同性状表型分化程度不同,果实形状分化程度最高,果径分化程度最低; 除果高和单果质量外其余各性状间均存在显著或极显著的相关性,果径和单果质量的Person简单相关系数高达0.90; 果高与经度和海拔显著正相关,与纬度显著负相关,存在明显的地理变异趋势。

Abstract

Six phenotypic traits were investigated in 12 natural populations of Camellia reticulate f.simplex from west of Yunnan, China,by using nested variance analysis, correlation analysis, variance analysis, phenotypic differentiation coefficient(VST)and cluster analysis, etc. The results showed that there were significant variance among and within populations; the variation within populations was much greater than that among populations. The fruit variation coefficients of the seed weight per fruit(42.99%),the fruit weight(38.17%), the seed weight(31.66%),among 4 natural populations had the greatest variance, the fruit height(15.69%),the fruit diameter(14.01%)and the fruit shape index(13.75%)had the least variance, among 12 natural populations MS1(30.05%)had the greatest variance, the MS3 had the least(15.3%)variance, the mean variance, among 12 natural populations was 24.83%. There were significant variance among 6 phenotypic traits except the fruit height and the fruit weight. The Person index between the fruit diameter and the fruit weight was 0.90.The fruit height were significant positive relationship with longitude and altitude, but were negative correlation with latitude.

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靳高中,任华东,姚小华,王开良,杨水平. 滇西腾冲红花油茶天然居群种实表型性状变异分析[J]. 南京林业大学学报（自然科学版）. 2013, 37(06): 53-58 https://doi.org/10.3969/j.issn.1000-2006.2013.06.011

JIN Gaozhong, REN Huadong, YAO Xiaohua, WANG Kailiang, YANG Shuiping. Study on phenotypic diversity of seed and fruit in natural populations of Camellia reticulate f.simplex in the west of Yunnan,China[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2013, 37(06): 53-58 https://doi.org/10.3969/j.issn.1000-2006.2013.06.011

中图分类号： S794.4.04

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基金

收稿日期:2012-11-23 修回日期:2013-09-25
基金项目:“十一五”国家科技支撑计划(2009BADB1B01,2009BADA8B04,2009BADB1B0201); 中国林科院公益性科研基金专项项目(CAFYBB2008005); 中国林科院亚林所公益性科研基金专项项目(RISF6804); 西南大学生态学重点学科“211工程”资助项目
第一作者:靳高中,助理工程师,硕士。*通信作者:任华东,高级工程师。E-mail:renhd@163.com。
引文格式:靳高中,任华东,姚小华,等. 滇西腾冲红花油茶天然居群种实表型性状变异分析[J]. 南京林业大学学报:自然科学版,2013,37(6):53-58.