麻栎种源间苗期生长性状及遗传稳定性差异分析

刘志龙,方升佐,虞木奎*,唐罗忠,陈厚荣,李武志

南京林业大学学报(自然科学版) ›› 2012, Vol. 36 ›› Issue (05) : 26-30.

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南京林业大学学报(自然科学版) ›› 2012, Vol. 36 ›› Issue (05) : 26-30. DOI: 10.3969/j.jssn.1000-2006.2012.05.004
研究论文

麻栎种源间苗期生长性状及遗传稳定性差异分析

  • 刘志龙1,方升佐2,虞木奎3*,唐罗忠2,陈厚荣1,李武志1
作者信息 +

Differences of seedling growth traits and genetic stability of Quercus acutissima from different provenances

  • LIU Zhilong1, FANG Shengzuo2, YU Mukui3*, TANG Luozhong2, CHEN Hourong1, LI Wuzhi1
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文章历史 +

摘要

麻栎(Quercus acutissima Carr.)在我国分布广泛,麻栎苗木生长和遗传稳定性与育苗地点的地理气候和土壤条件密切相关。该研究用36个麻栎种源在3个试验点进行育苗试验,对苗高和地径生长量及其遗传稳定性进行了调查与分析。结果表明:麻栎苗高和地径生长量在种源间和试验点间均存在极显著差异,种源×试验点互作上也表现为互作效应极显著,说明开展种源区域试验是必要的;根据苗木生长量的平均数、回归系数和回归离差的统计结果,可以将36个种源分成4种类型,即高产稳定型、高产不稳定型、低产稳定型和低产不稳定型。

Abstract

Quercus acutissima Carr. is widely distributed in China and the growth of Q. acutissima seedlings is closely related to the geographical and climatic condition of the experimental site. In order to select the superior provenances and suitable distribution areas, it was necessary to study the difference of growth characters and genetic stability of different Q. acutissima provenances. Cultivation experiment of thirtysix Q. acutissima provenances was studied in three experimental sites. The growth increment of seedlings and growth stability were investigated and analysised. The results showed that seedling height and ground diameter were significantly different from different provenances and experimental sites. There was a significant interaction between provenance and experimental site, which proved provenance regionalization trail necessary. Based on mean value, regression coefficient and deviation from regression of seedling growth increment, thirtysix Q. acutissima provenances were divided into four groups:highyield stable type, highyield unstable type, slowyield stable type, slowyield unstable type.

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刘志龙,方升佐,虞木奎*,唐罗忠,陈厚荣,李武志. 麻栎种源间苗期生长性状及遗传稳定性差异分析[J]. 南京林业大学学报(自然科学版). 2012, 36(05): 26-30 https://doi.org/10.3969/j.jssn.1000-2006.2012.05.004
LIU Zhilong, FANG Shengzuo, YU Mukui*, TANG Luozhong, CHEN Hourong, LI Wuzhi. Differences of seedling growth traits and genetic stability of Quercus acutissima from different provenances[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2012, 36(05): 26-30 https://doi.org/10.3969/j.jssn.1000-2006.2012.05.004
中图分类号: S722   

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基金

收稿日期:2011-05-07修回日期:2011-12-17
基金项目:国家林业局“948”引进项目(2008-4-50); 国家林业公益性行业科研专项项目(200704034); “十一五” 国家科技支撑计划(2006BAD03A160101) 
第一作者:刘志龙,工程师,博士。*通信作者:虞木奎,研究员,博士。E-mail: yumukui@sina.com。
引文格式:刘志龙,方升佐,虞木奎,等. 麻栎种源间苗期生长性状及遗传稳定性差异分析[J]. 南京林业大学学报:自然科学版,2012,36(5):26-30.

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