Articles | Volume 20, issue 22
https://doi.org/10.5194/bg-20-4625-2023
https://doi.org/10.5194/bg-20-4625-2023
Research article
 | 
27 Nov 2023
Research article |  | 27 Nov 2023

Imaging of the electrical activity in the root zone under limited-water-availability stress: a laboratory study for Vitis vinifera

Benjamin Mary, Veronika Iván, Franco Meggio, Luca Peruzzo, Guillaume Blanchy, Chunwei Chou, Benedetto Ruperti, Yuxin Wu, and Giorgio Cassiani

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Cited articles

Abdalla, M., Carminati, A., Cai, G., Javaux, M., and Ahmed, M. A.: Stomatal closure of tomato under drought is driven by an increase in soil–root hydraulic resistance, Plant Cell Environ., 44, 425–431, https://doi.org/10.1111/pce.13939, 2021. 
Anonymous Reviewer: Referee #2 comment, Comment on bg-2023-58, https://doi.org/10.5194/bg-2023-58-RC2, 2023. 
Archie, G. E.: The Electrical Resistivity Log as an Aid in Determining Some Reservoir Characteristics, Trans. AIME, 146, 54–62, https://doi.org/10.2118/942054-G, 1942. 
Aroca, R. and Ruiz-Lozano, J. M.: Regulation of Root Water Uptake Under Drought Stress Conditions, in: Plant Responses to Drought Stress, edited by: Aroca, R., Springer Berlin Heidelberg, Berlin, Heidelberg, 113–127, https://doi.org/10.1007/978-3-642-32653-0_4, 2012. 
Binley, A.: 11.08 – Tools and Techniques: Electrical Methods, in: Treatise on Geophysics, 2nd edn., edited by: Schubert, G., Elsevier, Oxford, 233–259, https://doi.org/10.1016/B978-0-444-53802-4.00192-5, 2015. 
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Short summary
The study explores the partial root zone drying method, an irrigation strategy aimed at improving water use efficiency. We imaged the root–soil interaction using non-destructive techniques consisting of soil and plant current stimulation. The study found that imaging the processes in time was effective in identifying spatial patterns associated with irrigation and root water uptake. The results will be useful for developing more efficient root detection methods in natural soil conditions.
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