WEI Mei-qin,WANG Jin-min,XIONG Hui-yan,et al.Study on the Leaf Epidermal Characters’ Comparison in Different Altitude of Stachys sieboldii[J].Northern Horticulture,2012,36(07):179-181.
草石蚕不同海拔叶表特征的比较研究
- Title:
- Study on the Leaf Epidermal Characters’ Comparison in Different Altitude of Stachys sieboldii
- 文章编号:
- 1001-0009(2012)07-0179-03
- Keywords:
- Stachys sieboldii; leaf epidermal features; altitude; stoma
- 分类号:
- S 647
- 文献标志码:
- A
- 摘要:
- 用过氧化氢-醋酸离析法对生长于不同海拔高度草石蚕的叶片表皮细胞形态、气孔特征进行了观察比较。结果表明：植物的叶表特征与其所处的环境密切相关。草石蚕表皮细胞形状，横切面观：上、下表皮细胞呈长方形；表面观：上表皮细胞呈多边形，而下表皮细胞形状不规则，其垂周壁浅波状；气孔形态随海拔上升呈现椭圆型—近圆形—椭圆型的转变，气孔器散生分布于下表皮细胞中，气孔取向无规则；气孔密度、气孔指数随海拔升高并不成线性关系。
- Abstract:
- The leaf epidermis cells forms,stomatal characteristics of Stachys sieboldii were observed and compared in different altitude by hydrogen peroxide-acetic acid segregation method.The results showed that the upper and lower epidermis cells of Stachys sieboldii were tending to rectangle in transverse section；the cells of the upper epidermis were polygonal，while skin cells were irregular in shape，and the patterns of anticlinal walls were sinuolate；The form of stomatal present elliptic-nearly round-elliptic changes with the elevations rise，there were a few stomatal apparatus in abaxial，stomatal apparatus mostly anomocytic；stoma density and stomatal index had not linear relationship with the elevations rise.Therefore the leaf epidermal features were related to their habitat condition.
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备注/Memo
第一作者简介：韦梅琴(1964-)，女，教授，现主要从事组织培养及植物学等的教学与科研工作。基金项目：青海省科技厅科研资助项目(2009-Z-720)。
收稿日期：2012-01-05