| 西南岩溶地区白车轴草叶的特征与生态适应性 |
| |
| 引用本文： | 石旭,王玉良,李牡丹,谭凯丽,关萍.西南岩溶地区白车轴草叶的特征与生态适应性[J].贵州大学学报(农业与生物科学版),2009,28(3). |
| |
| 作者姓名： | 石旭 王玉良 李牡丹 谭凯丽 关萍 |
| |
| 作者单位： | 1. 贵州大学,生命科学学院,贵阳,550025
2. 安徽科技学院,生命科学学院,凤阳,233100 |
| |
| 摘 要： | 采用野外观察、石蜡制片和光学显微观察等手段,对西南岩溶地区的白车轴草叶的特征进行研究,探讨其生态适应性.结果表明,叶片上表皮细胞小而密并具有平直的细胞壁,表皮角质化且上表皮气孔下陷;长叶柄上有气孔分布,叶柄表皮细胞长条状致密排布,被角质层;叶片表面的白斑对高原紫外线的削弱起到积极作用;叶片的感夜运动有利于抵抗风的机械力和昼夜温差带来的负面的影响.等以上特征体现白车轴革具有一系列独特适应我国西南岩溶区干旱环境的机制,对于其推广于岩溶地区的畜牧业和用于植被恢复具有重要意义.
|
| 关 键 词： | 白车轴草 解剖结构 生态适应性 岩溶 |
Anatomical characters and ecological adaptability of Trifolium repens L. leaf in Karst region of Southwest China |
| |
| SHI Xu,WANG Yu-liang,LI Mu-dan,TAN Kai-li,GUAN Ping.Anatomical characters and ecological adaptability of Trifolium repens L. leaf in Karst region of Southwest China[J].Journal of Mountain Agriculture & Biology,2009,28(3). |
| |
| Authors: | SHI Xu WANG Yu-liang LI Mu-dan TAN Kai-li GUAN Ping |
| |
| Institution: | 1.College of Life Science;Guizhou University;Guiyang 550025;China;2.College of Life Science;Anhui Technical and Science University;Fengyang 233100;China |
| |
| Abstract: | The anatomical structure and ecological adaptability of Trifolium repens L.leaves in Karst region of Southwest China were investigated by means of field observation,paraffin section technique and optical microscope in the present work.The results indicated that a series of optical characteristics,including the small keratinous adaxial epidermic cells with straight wall,dense cavate stomata,rectangular keratinous epidermic cells in the stomatose leafstalk,and leukoplakia upon the upper epidemic etc were obse... |
| |
| Keywords: | Trifolium repens L Anatomical structure Ecological adaptability Karst region |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
