| 日本落叶松优良家系和无性系初步研究 |
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| 引用本文： | 徐慎东,;孙晓梅,;陈金良,;李道新,;王功芳,;黄祥丰,;祁万宜.日本落叶松优良家系和无性系初步研究[J].湖北林业科技,2014(3):12-16. |
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| 作者姓名： | 徐慎东 ;孙晓梅 ;陈金良 ;李道新 ;王功芳 ;黄祥丰 ;祁万宜 |
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| 作者单位： | [1]宜昌市国有大老岭林场,宜昌443132; [2]中国林业科学研究院林业研究所,北京100091; [3]宜昌市林业科学研究所,宜昌443112 |
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| 基金项目： | 国家“十二五”科技支撑计划课题“北亚热带落叶松、云杉育种技术研究”（2012BAD01B02－1）。 |
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| 摘 要： | 为了探讨日本落叶松不同优良家系和无性系幼龄林的生长表现,本文以4年（苗龄2年生）优良家系和无性系试验林为研究对象,通过生长量调查和统计分析后,结果表明：日本落叶松优良家系和无性系成活率高,保存良好,成活率和保存率均值达到了89%和81%;日本落叶松优良家系2009SBZ11、2009SBZ20和优良无性系2009SBY1、2009SBY25生长最快,且差异显著。2009SBZ11、2009SBZ20家系立木单株平均树高较最低值75.1 cm（2009SBZ6、2009SBZ34）增长了近19.0%和18.9%;2009SBY1和2009SBY25无性系立木单株平均树高较最低值74.6 cm（2009SBY6）增长了近23.6%和24.9%。
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| 关 键 词： | 日本落叶松 家系 无性系 生长量 |
Primary Research on Fine Family and Clone of Larix Kaempferi |
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| Institution: | Xu Shendong;Sun Xiaomei;Chen Jinlian;Li Daoxin;Wang Gongfang;Huang Xiangfeng;Qi Wanyi(Yichang City Dalaoling National Forest Farm;Research Institute of Forestry,CAF;Yichang City Forestry Institute) |
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| Abstract: | In order to find the growth difference among young forest of superior families and clones of Larix Kaempferi,Investigation and statistical analysis on the growth increment of the four-year-old superior family and clone,the seedling age of which were 2-years-old were conducted.The result showed that Larix Kaempferi superior families and clones had high survival rate and preserving rate,which reached 89% and 81%respectively;In addition,the superior families2009SBZ11,2009SBZ20 and superior clones 2009SBY1,2009SBY25 were the best;they grew most rapidly and the difference reached significant level.The mean single plant height of superior families 2009SBZ11 and 2009SBZ20 were 19.0%and 18.9%respectively higher than the minimum75.1 cm（2009SBZ6、2009SBZ34）;While the superior clones 2009SBY1and 2009SBY25 were 23.6%and 24.9%respectively higher than the minimum74.6 cm（2009SBY6）. |
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| Keywords: | Larix Kaempferi family clone growth |
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