LU Fang,CAO Bing.Analysis of Leaf Traits for Five Landscaping Shrub Tree Species in Yinchuan[J].Northern Horticulture,2013,37(17):64-67.
银川地区五种园林灌木树种叶片性状特征分析
- Title:
- Analysis of Leaf Traits for Five Landscaping Shrub Tree Species in Yinchuan
- 文章编号:
- 1001-0009（2013）17-0064-04
- Keywords:
- landscape plants; leaf traits; specific leaf weight; cluster analysis
- 分类号:
- S 687
- 文献标志码:
- A
- 摘要:
- 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。
- Abstract:
- Taking Rosa xanthina Lindl,Rose multiflora,Lonicera maackii (Rupr.) Maxim.,Swida alba Opiz,Chaenomeles speciosa 5 landscaping shrub species as experimental material,leaf thickness,leaf area,specific leaf weight,leaf chlorophyll contents,chlorophyll a/b value during the growing season were tested and the correlation analysis between leaf dry weight(DW) and leaf thickness(TH),leaf area (AR),the leaf traits were analyzed and studied.The results showed that the leaf area of Lonicera maackii (Rupr.) Maxim.was the largest among five species,while the leaf area and leaf thickness value of Rosa xanthina were smallest,but its leaf weight content and chlorophyll content were higher than that of others.The leaf thickness of Chaenomeles speciosa was the thickest,and the specific leaf weight of Swida alba Opiz was lowest.In addition,the correlation of DW between TH and AR was significantly positive.The five shrub species were divided into three types by cluster analysis method:Rosa xanthina and Rose multiflora;Lonicera maackii (Rupr.) Maxim.;Swida alba and Chaenomeles speciosa.
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备注/Memo
第一作者简介：卢芳（1990-），女，硕士研究生，现主要从事园艺植物栽培与生理等研究工作。
责任作者：曹兵（1970-），男，博士，教授，现主要从事旱区森林培育与树木栽培生理及城市林业方面的教学与科研工作。E-mail：bingcao2006@126.com.
基金项目：国家农业科技成果转化资助项目（2012GB2G300484）。
收稿日期：2013-05-08