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50种植物叶片绿色度和叶绿素含量相关性研究
引用本文:缪绅裕,邓鸿英,王厚麟,陶文琴,陈健辉,郭培国.50种植物叶片绿色度和叶绿素含量相关性研究[J].安徽农业科学,2012,40(1):158-160,181.
作者姓名:缪绅裕  邓鸿英  王厚麟  陶文琴  陈健辉  郭培国
作者单位:广州大学生命科学学院,广东广州,510006;广州大学生命科学学院,广东广州,510006;广州大学生命科学学院,广东广州,510006;广州大学生命科学学院,广东广州,510006;广州大学生命科学学院,广东广州,510006;广州大学生命科学学院,广东广州,510006
基金项目:广州市属高校科技计划项目
摘    要:目的]比较不同类群植物叶片绿色度(SPAD值)和叶绿素含量,分析其相关性,以期了解各类植物对环境的特殊适应性。方法]利用SPAD-502叶绿素计和分光光度计分别测定广州大学校园50种常见植物的SPAD值以及叶绿素含量。结果]13种豆目植物和4种夹竹桃科植物叶片SPAD值均在0.05水平显著高于总体平均值;豆目植物中,云实科植物叶片SPAD值和叶绿素含量普遍高于蝶形花科和含羞草科植物的相关值。6种外来植物叶片SPAD值在0.05水平显著低于总体平均值,而叶绿素a/b以及叶绿素含量则低于总体平均值,但差异不显著。结论]50种植物叶片SPAD值与叶绿素含量的最佳相关函数为多项式函数。

关 键 词:叶绿素含量  SPAD值  相关性

Study on Relationship between SPAD and Chlorophyll Contents of 50 Plant Species
Institution:MIAO Shen-yu et al(School of Life Sciences,Guangzhou University,Guangzhou,Guangdong 510006)
Abstract:Objective] Leaf SPAD and chlorophyll contents of different plant taxon were compared to reveal the relationship between them and some special adaption for these plants to their own habitats.Method] By using chlorophyll meter of SPAD-502 and ultraviolet and visible spectrophotometer,SPAD and chlorophyll contents of 50 plant species in Guangzhou University campus were determined.Result] The leaves of Leguminales and Apocynaceae species had a significant higher level of SPAD than that of total mean value for all 50 species.Leaves of Caesalpiniaceae species had a higher SPAD and chlorophyll content than that of Mimosaceae and Papilionaceae.The average SPAD of 6 alien plant species were lower significantly at 0.05 level than that of total mean value.Chlorophyll contents and the ratio of chlorophyll a to chlorophyll b of 6 alien plant species were lower in general,but there were no significant difference between them.Conclusion] The best correlate function between SPAD and chlorophyll contents of leaves was multinomial function model.
Keywords:Chlorophyll content  SPAD  Relationship
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