电阻抗图谱法研究植物水分生理初探  

Study on the Water Physiology of Plants by Electrical Impedance Spectroscopy

作　　者：卫世珍 任建武[2] 郝佳美 姚洪军[2] 李增良 Wei Shizhen;Ren Jianwu;Hao Jiamei;Yao Hongjun;Li Zengliang(Hejin Forestry Bureau, Hejin 043300, China;College of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China;Hebei Inspection and Testing Center for Quality of Forest, Grass and Flowers, Shijiazhuang 051130, China)

机构地区：[1]河津市林业局,山西河津043300 [2]北京林业大学生物科学与技术学院,北京100083 [3]河北省林草花卉质量检验检测中心,河北石家庄051130

出　　处：《山西林业科技》2021年第2期27-30,共4页Shanxi Forestry Science and Technology

摘　　要：笔者选取北京林业大学校园内的栾树、楸树、小叶黄杨和室内盆栽绿萝为试验材料,测定其光照和未光照条件下叶片失水过程中的容抗变化和电阻抗图谱,以期非破坏性地了解植物水分生理情况。结果表明,高频电流有利于通过植物细胞,阻抗谱与植物叶片水分状况的关系因植物种类变化很大。容抗、阻抗一般在低频电流状态下差异较大,试验可在100 Hz处设置更多频率点。Koelreuteria paniculata,Catalpa bungei,Buxus sinica and Epipremnum aureum as indoor potted green in Beijing Forestry University campus were selected as experimental materials to measure the changes of capacitive impedance and electrical impedance spectrum of leaves during water loss under light and non-light conditions.The results showed that high frequency current was beneficial to plant cells,and the relationship between electrical impedance spectrum and water status of plant leaves varied greatly with plant species.The difference in capacitive reactance and impedance was generally large in low frequency current state,and more frequency points could be set at 100 Hz.

关 键 词：电阻抗图谱 容抗 叶片水分 

分 类 号：S718.3[农业科学—林学]