| 应用Logistic方程确定三种桉树的低温半致死温度 |
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| 引用本文： | 刘建,项东云,陈健波,周维.应用Logistic方程确定三种桉树的低温半致死温度[J].广西林业科学,2009,38(2):75-78. |
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| 作者姓名： | 刘建 项东云 陈健波 周维 |
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| 作者单位： | 广西林业科学研究院,中南速生材繁育实验室,南宁,530001 |
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| 基金项目： | 国家林业部"948"资助项目，广西林业局项目，广西林业科学研究院青年科技基金 |
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| 摘 要： | 以3种桉树幼苗叶片为实验材料,以电导法测定低温胁迫下其叶片的电导率变化并配以Logistic方程进行回归分析,发现不同低温下的电导率遵循Logistic方程的变化规律,且与半致死温度呈线性关系,依据回归方程计算得到尾叶桉(E.urophylla)、巨桉(E.grandis)和邓恩桉(E.dunnii)的拐点半致死温度分别为-4.53℃、-8.12℃、-7.79℃.
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| 关 键 词： | 桉树 电导率 Logistic方程 半致死温度 |
Low Temperature LT50 of Three Eucalyptus Seedlings with Electrical Conductivity Method and Logistic Equation |
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| LIU Jian,XIANG Dong-yun,CHEN Jian-bo,ZHOU Wei.Low Temperature LT50 of Three Eucalyptus Seedlings with Electrical Conductivity Method and Logistic Equation[J].Guangxi Forestry Science,2009,38(2):75-78. |
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| Authors: | LIU Jian XIANG Dong-yun CHEN Jian-bo ZHOU Wei |
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| Institution: | LIU Jian,XIANG Dong-yun,CHEN Jian-bo,ZHOU Wei (Key Laboratory of Fast-Growing Tree Breeding and Cultivation in CentralSouth China,Guangxi Forestry Research Institute,Nanning 530001,China) |
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| Abstract: | |
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| Keywords: | Eucalyptus electrical conductivity Logistic equation lethal temperature of 50%(LT50) |
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