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北方园艺  2013 

银川地区五种园林灌木树种叶片性状特征分析

, PP. 64-67

Keywords: 园林植物,叶片性状,比叶重,聚类分析

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Abstract:

以黄刺玫、蔷薇、红瑞木、金银木和贴梗海棠5种园林绿化灌木树种为试材,在生长季节测定其叶片厚度(TH)、叶片面积(AR)、比叶重(DW)、叶绿素含量、叶绿素a/b值等叶片性状因子,并对叶片干重、叶片厚度和叶片面积作相关性分析,研究其叶片性状特征。结果表明金银木的叶面积最大,黄刺玫的叶面积最小、叶片最薄,但其比叶重大、叶绿素含量高;贴梗海棠的叶片最厚,而红瑞木的比叶重最小、叶绿素含量最低;叶片干重与叶片面积、叶片厚度间呈显著相关性;以叶片厚度、比叶重、叶绿素含量等为指标,采用系统聚类分析将5种灌木树种分为3类黄刺玫和蔷薇、金银木、红瑞木和贴梗海棠。

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