LUAN Zhi-hui,SHAO Dian-kun,YANG Li-juan,et al.Comparative Analysis on Adaptation Characteristic of Rhododendron chrysanthum Pall.Leaves in Different Altitudes of Changbai Mountain[J].Northern Horticulture,2013,37(19):80-83.
不同海拔长白山牛皮杜鹃叶片适应性结构的对比分析
- Title:
- Comparative Analysis on Adaptation Characteristic of Rhododendron chrysanthum Pall.Leaves in Different Altitudes of Changbai Mountain
- 文章编号:
- 1001-0009(2013)19-0080-04
- Keywords:
- adaptation characteristic; functional traits; different altitude; Rhododendron chrysanthum Pall.
- 分类号:
- S 685.21
- 文献标志码:
- A
- 摘要:
- 以长白山牛皮杜鹃为试材，研究比较了1 500、1 800、2 100、2 400 m 4个不同海拔高度牛皮杜鹃种群的叶片表面形态结构特征和叶片功能性状。结果表明：不同海拔高度的牛皮杜鹃叶片上表皮细胞随海拔高度的升高而排列比较疏松，叶片下表皮细胞排列比较有规则。叶干物质含量随海拔增加而增加，低海拔与高海拔的叶干物质含量差异显著；比叶面积随着海拔增加而减少，海拔1 800 m叶片比叶面积低于其它3个海拔高度；叶厚随海拔增加而增加，海拔1 800 m叶片厚度高于其它3个海拔。
- Abstract:
- Taking Rhododendron chrysanthum Pall.as material，the adaptation characteristic of leaves of Rhododendron chrysanthum Pall.populations at four altitudes (1 500，1 800，2 100，2 400 m) of Changbai Mountain were studied and compared.The results showed that leaf adaxial epidermal cells were looser with the altitudes increased and leaf lower epidermal cells were regular.Leaf dry matter content increased with altitude，and existed significant difference between low altitude and high altitude.SLA decreased with the altitudes.SLA of 1 800 m was lower than the other three altitudes.Leaf thickness increased with altitudes，and that of 1 800 m was thicker than the other three elevations.
参考文献/References:
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备注/Memo
第一作者简介：栾志慧（1980-），女，博士研究生，讲师，研究方向为生态学。E-mail：lzh7013@sina.com.