电阻抗法在植物根系生物学研究中的应用

李强; 曹扬; 张正; 脱登峰; 卜耀军; 白芸

doi:10.11913/PSJ.2095-0837.2016.30488

电阻抗法在植物根系生物学研究中的应用

李强¹,
曹扬^2,3, ,,
张正²,
脱登峰²,
卜耀军¹,
白芸¹

1. 榆林学院, 陕西榆林 719000;
2. 西北农林科技大学黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西杨凌 712100;
3. 中国科学院水利部水土保持研究所, 陕西杨凌 712100

基金项目:

国家自然科学基金项目(41201088,41371506)

中央高校基本科研业务费(2014YB056,2452015484)

黄土高原土壤侵蚀与旱地农业国家重点实验室开放项目(A314021402-1604)

陕西省高校科协青年人才托举计划资助(20150108)

陕西省科技厅农业攻关项目(2014K01-12-03)。

详细信息

作者简介:
李强(1986-),男,博士,讲师,长期从事根系及其固土抗蚀方面的研究(E-mail:mr.li_qiang@163.com)。

通讯作者:
曹扬,E-mail: yang.cao@nwsuaf.edu.cn

中图分类号: Q948
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出版历程
- 收稿日期: 2015-12-07
- 修回日期: 2016-02-22
- 网络出版日期: 2022-10-31
- 发布日期: 2016-06-27

Review on the Application of Bioimpedance Methods in Plant Root Biology Research

1. Yulin University, Yulin, Shaanxi, 719000, China;
2. State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, China;
3. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi, 712100, China

Funds:

This work was supported by grants from the National Natural Science Foundation of China (41201088, 41371506), Specialized Research Fund for the Doctoral Program of Higher Education (2014YB056, 2452015484), Open Fund from the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau (A314021402-1604), Young Talent Fund of University Association for Science and Technology in Shaanxi, China (20150108), and Agricultural Research Project in Shaanxi Province (2014K01-12-03).

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摘要

摘要: 因受限于检测方法,对埋藏于土壤中植物根系研究的深入程度远低于其地上部分。传统获取根系的方法不仅费时费力,而且对根系原位分布和生存微环境具有明显的扰动破坏,故随着根系研究的不断深入,迫切需要寻求一种非破坏性的根系检测方法。电阻抗法是在一定频率的外加电源下,测量电路中的根系电学特征(电容、电阻和电阻抗图谱),并且电学特征与根系生物量和形态指标之间存在较好的相关性,然而,由于对电阻抗法基于电路中电流流向等的关键机理尚不清楚,有些学者对该方法的大范围应用提出了质疑。本文首先对生物电阻抗法测量根系的原理和模型进行阐述,然后重点综述根系电阻抗法研究的不同理论方法及存在的问题,最后提出电阻抗法研究植物根系应该解决的重要科学问题,并展望电阻抗法更加广泛的研究和应用前景,以期为获取非破坏性的根系研究技术提供参考。
- 根系 /
- 电极 /
- 电容 /
- 电阻 /
- 电阻抗图谱 /
- 研究进展
Abstract: Due to the limitation of appropriate methods, the vast majority of research on plant traits has concentrated on above-ground tissues rather than root systems hindered by soil. Conventional root investigation methods such as soil cores, monoliths, and in-growth cores are inherently labour intensive, time-consuming and destructive. There is, therefore, an urgent need for a non-destructive but reliable method for the estimation of the structure and function of root systems in situ. Numerous studies have shown good correlations between electrical impedance parameters (capacitance, resistance and electrical impedance spectroscopy) and root weight and morphology with the measurement of roots under an external electric field. Recently, however, other researchers have argued that the understanding of the electrical behaviour of roots is still poor. This paper introduces the basic theory and measurement of bioimpedance, reviews the different outcomes of root research using bioimpedance, and suggests several questions in regard to the application of bioimpedance. The current research will provide a reference for studies examining non-destructive root systems in situ.
- Root /
- Electrode /
- Capacitance /
- Resistance /
- Electrical impedance spectroscopy /
- Research progress

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电阻抗法在植物根系生物学研究中的应用

作者简介: 李强(1986-),男,博士,讲师,长期从事根系及其固土抗蚀方面的研究(E-mail:mr.li_qiang@163.com)。

通讯作者: 曹扬,E-mail: yang.cao@nwsuaf.edu.cn

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出版历程

Review on the Application of Bioimpedance Methods in Plant Root Biology Research

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出版历程

目录

作者简介:
李强(1986-),男,博士,讲师,长期从事根系及其固土抗蚀方面的研究(E-mail:mr.li_qiang@163.com)。

通讯作者:
曹扬,E-mail: yang.cao@nwsuaf.edu.cn