| 楸树无性系苗期年生长参数的分析 |
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| 引用本文： | 麻文俊,王军辉,张守攻,张建国,赵鲲,焦云德.楸树无性系苗期年生长参数的分析[J].东北林业大学学报,2010,38(1). |
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| 作者姓名： | 麻文俊 王军辉 张守攻 张建国 赵鲲 焦云德 |
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| 作者单位： | 1. 中国林业科学研究院,北京,100091
2. 河南省洛阳市林业科学研究所 |
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| 基金项目： | “十一五”国家科技支撑课题(2006BAD24B08);;“十一五”国家科技支撑课题(2006BAD01-A1602);;国家林业局林木培育实验室基金项目(2005-03)资助 |
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| 摘 要： | 对楸树30个无性系苗期苗高和地径的年生长动态进行了调查,并用Logistic方程对苗高和地径的生长动态进行拟合,分析了年生长动态规律及生长参数。研究结果表明:楸树无性系苗期年生长高度符合"S"型生长曲线。分别以苗高和地径划分苗木的年生长阶段,其苗高和地径的速生期持续时间分别为93~136 d和57~120 d,苗高、地径拟合值与苗高、地径实测值呈极显著的相关关系,相关系数分别为0.746 3和0.816 8。无性系的苗高与速生期始期、速生期结束期与速生点、地径与速生期始期呈显著的相关关系。
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| 关 键 词： | 楸树 无性系 苗期 年生长参数 “S”型曲线 |
Analysis of Annual Growth Parameters for Catalpa bungei Clones at Seedling Stage |
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| Ma Wenjun,Wang Junhui,Zhang Shougong,Zhang Jianguo,Zhao Kun,Jiao Yunde.Analysis of Annual Growth Parameters for Catalpa bungei Clones at Seedling Stage[J].Journal of Northeast Forestry University,2010,38(1). |
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| Authors: | Ma Wenjun Wang Junhui Zhang Shougong Zhang Jianguo Zhao Kun Jiao Yunde |
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| Institution: | Ma Wenjun,Wang Junhui,Zhang Shougong,Zhang Jianguo(Key Laboratory of Tree Breeding , Cultivation,State Forestry Administration(Research Institute of Forestry,Chinese Academy of Forestry),Beijing 100091,P.R.China),Zhao Kun,Jiao Yunde(Luoyang Forestry Research Institute) |
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| Abstract: | Seedling height and stem diameter at ground level of 30 Catalpa bungei clones at seedling stage were measured and simulated with Logistic equation.And the dynamic growth regularity and the growth parameters for C.bungei clones were analysed.Result shows that the annual height growth could be well described by an S-shaped curve.Annual growth stage of the seedlings was classified in terms of height and stem diameter at ground level,and the duration of rapid growth stages for seedling height and stem diameter ... |
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| Keywords: | Catalpa bungei Clones Seedling stage Annual growth parameters S-shaped curves |
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