两种叶色类型杉木的光合能力的研究

发布时间：2021-08-16 14:50

　　为探究不同叶色杉木叶片的光合作用能力差异,本研究选取了80株11年生杉木单株作为试验材料,分别测定各个单株的叶色值、光合色素含量、叶绿素荧光参数和光合作用参数。结果显示:1、80个杉木单株的叶色可基于对叶色的LAB model数据的聚类分析而分为2类,其中1类的叶色偏黄绿色,而另一类则偏青绿色。2、在叶片光合色素含量分析中,2种叶色类型的杉木叶片的叶绿素a（Chl a）、叶绿素b（Chl b）、总叶绿素Chl（a+b）和类胡箩卜素（Car）含量,以及Chl a/chl b和Chl（a+b）/Car均存在极显著差异。3、在叶片叶绿素荧光参数分析中,2种叶色类型的杉木叶片的最大PSII光量子产量(QY_<sub>max,Fv/Fm)、稳态非光化学淬灭系数(NPQ_<sub>Lss)、稳态光化学淬灭系数（qN_Lss）等参数的表现存在极显著差异,初始荧光参数（Fo）和可变荧光参数（Fv）存在显著差异,而最大荧光参数（Fm）和荧光下降比率(Rfd_<sub>Lss)没有显著差异。... 

【文章来源】：福建农林大学福建省

【文章页数】：64 页

【学位级别】：硕士

【文章目录】：
List of abbreviations
摘要
Abstract
1 INTRODUCTION
    1.1 Literature review
        1.1.1 Leaf colors
        1.1.2 Photosynthetic characters
        1.1.3 Leaf photosynthetic
        1.1.4 Photosynthetic pigment contents in leaves
        1.1.5 Fluorescence
    1.2 Purpose and objectives of research
2 MATERIALS AND METHODS
    2.1 The area of the study and test material
    2.2 Sampling and Determination of leaf photosynthetic rate
    2.3 Determination of leaf colors
    2.4 Leaf fluorescence
    2.5 Leaf pigment contents determination
    2.6 Data analysis
3 RESULTS
    3.1 Color analysis
    3.2 Analysis of fluorescence parameters
    3.3 Analysis of pigment contents
    3.4 Analysis of photosynthetic parameters
    3.5 Correlation Analysis of Leaf Colors
        3.5.1 Canonical Correlation Analysis of Leaf Colors and Photosynthetic Rate
        3.5.2 Canonical Correlation Analysis of Leaf Colors and pigments
        3.5.3 Canonical Correlation Analysis of Leaf Colors and fluorescence
4 DISCUSSION
5 CONCLUSION
References
Appendix
    Material
    Instruments
    Reagents
    Experimental procedure
Acknowledgements
Dedication


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