Measurement of the tree root growth using electrical impedance spectroscopy
The non-destructive evaluation of plant root growth is a challenge in root research. In the present study we aimed to develop electrical impedance spectroscopy (EIS) for that purpose. Willows (Salix myrsinifolia Salisb.) were grown from cuttings in a hydroponic culture in a growth chamber. Root...
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Format: | Article |
Language: | English |
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Finnish Society of Forest Science
2005-01-01
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Series: | Silva Fennica |
Online Access: | https://www.silvafennica.fi/article/380 |
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author | Repo, Tapani Laukkanen, Janne Silvennoinen, Raimo |
author_facet | Repo, Tapani Laukkanen, Janne Silvennoinen, Raimo |
author_sort | Repo, Tapani |
collection | DOAJ |
description | The non-destructive evaluation of plant root growth is a challenge in root research. In the present study we aimed to develop electrical impedance spectroscopy (EIS) for that purpose. Willows (Salix myrsinifolia Salisb.) were grown from cuttings in a hydroponic culture in a growth chamber. Root growth was monitored at regular intervals by a displacement method and compared with the EIS parameters of the plants. To measure its impedance spectrum (IS) (frequency range from 40 Hz to 340 kHz) each plant was set in a measuring cell filled with a solution of the hydroponic culture. The IS was measured using a two-electrode measuring system. A silver needle electrode was connected to the stem immediately above the immersion level and a platinum wire was placed in the solution. The measurements were repeated twice weekly for a root growth period of one month. The IS of the entity consisting of a piece of stem, roots and culture solution were modelled by means of an electric circuit consisting of two ZARC-Cole elements, one constant-phase element, and a resistor. On the plant basis, an increase in root volume by growth correlated with a reduction in the sum of resistances in the ZARC-Cole elements (mean Pearsonâs correlation coefficient r = â0.70). |
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institution | Directory Open Access Journal |
issn | 2242-4075 |
language | English |
last_indexed | 2024-12-22T07:26:46Z |
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publisher | Finnish Society of Forest Science |
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spelling | doaj.art-3af621192fc748a8969828b2879976de2022-12-21T18:34:07ZengFinnish Society of Forest ScienceSilva Fennica2242-40752005-01-0139210.14214/sf.380Measurement of the tree root growth using electrical impedance spectroscopyRepo, TapaniLaukkanen, JanneSilvennoinen, RaimoThe non-destructive evaluation of plant root growth is a challenge in root research. In the present study we aimed to develop electrical impedance spectroscopy (EIS) for that purpose. Willows (Salix myrsinifolia Salisb.) were grown from cuttings in a hydroponic culture in a growth chamber. Root growth was monitored at regular intervals by a displacement method and compared with the EIS parameters of the plants. To measure its impedance spectrum (IS) (frequency range from 40 Hz to 340 kHz) each plant was set in a measuring cell filled with a solution of the hydroponic culture. The IS was measured using a two-electrode measuring system. A silver needle electrode was connected to the stem immediately above the immersion level and a platinum wire was placed in the solution. The measurements were repeated twice weekly for a root growth period of one month. The IS of the entity consisting of a piece of stem, roots and culture solution were modelled by means of an electric circuit consisting of two ZARC-Cole elements, one constant-phase element, and a resistor. On the plant basis, an increase in root volume by growth correlated with a reduction in the sum of resistances in the ZARC-Cole elements (mean Pearsonâs correlation coefficient r = â0.70).https://www.silvafennica.fi/article/380 |
spellingShingle | Repo, Tapani Laukkanen, Janne Silvennoinen, Raimo Measurement of the tree root growth using electrical impedance spectroscopy Silva Fennica |
title | Measurement of the tree root growth using electrical impedance spectroscopy |
title_full | Measurement of the tree root growth using electrical impedance spectroscopy |
title_fullStr | Measurement of the tree root growth using electrical impedance spectroscopy |
title_full_unstemmed | Measurement of the tree root growth using electrical impedance spectroscopy |
title_short | Measurement of the tree root growth using electrical impedance spectroscopy |
title_sort | measurement of the tree root growth using electrical impedance spectroscopy |
url | https://www.silvafennica.fi/article/380 |
work_keys_str_mv | AT repotapani measurementofthetreerootgrowthusingelectricalimpedancespectroscopy AT laukkanenjanne measurementofthetreerootgrowthusingelectricalimpedancespectroscopy AT silvennoinenraimo measurementofthetreerootgrowthusingelectricalimpedancespectroscopy |