Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 21, Pages -Publisher
MDPI
DOI: 10.3390/ijms222111540
Keywords
plasma; Arabidopsis thaliana; FTIR; germination; reactive oxygen and nitrogen species; surface DBD
Funding
- Swiss Federal Budgetary Framework 2017-2020
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This study investigated optimal conditions in a surface dielectric barrier discharge (SDBD) setup through a parametric study, finding that treatment time and voltage are key parameters for accelerating seed germination. However, no clear conclusion on causative agents could be drawn from the results.
Current agricultural practices are not sustainable; however, the non-thermal plasma treatment of seeds may be an eco-friendly alternative to alter macroscopic plant growth parameters. Despite numerous successful results of plasma-seed treatments reported in the literature, the plasma-treatment parameters required to improve plant growth remain elusive due to the plethora of physical, chemical, and biological variables. In this study, we investigate the optimal conditions in our surface dielectric barrier discharge (SDBD) setup, using a parametric study, and attempt to understand relevant species in the plasma treatment using in situ Fourier transform infrared (FTIR) absorption spectroscopy. Our results suggest that treatment time and voltage are key parameters for accelerated germination; however, no clear conclusion on causative agents can be drawn.
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