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Título: | Germination and First Stages of Growth in Drought, Salinity, and Cold Stress Conditions of Plasma-Treated Barley Seeds |
Autor: | Perea-Brenes, Álvaro CSIC ORCID; García Fernández, José Luis CSIC ORCID; Cantos, Manuel CSIC ORCID; Cotrino, José CSIC ORCID; González-Elipe, Agustín R. CSIC ORCID; Gómez-Ramírez, Ana; López-Santos, Carmen CSIC ORCID | Palabras clave: | Barley germination Drought Photosynthetic pigments Plasma treatment Proline Salinity |
Fecha de publicación: | 18-sep-2023 | Editor: | American Chemical Society | Citación: | ACS agricultural science and technology 3(9): 760-770 (2023) | Resumen: | Numerous works have demonstrated that cold plasma treatments constitute an effective procedure to accelerate seed germination under nonstress conditions. Evidence also exists about a positive effect of plasmas for germination under environmental stress conditions. For barley seeds, this work studies the influence of cold plasma treatments on the germination rate and initial stages of plant growth in common stress environments, such as drought, salinity, and low-temperature conditions. As a general result, it has been found that the germination rate was higher for plasma-treated than for untreated seeds. Plasma also induced favorable changes in plant and radicle dimensions, which depended on the environment. The obtained results demonstrate that plasma affects the biochemical metabolic chains of seeds and plants, resulting in changes in the concentration of biochemical growing factors, a faster germination, and an initially more robust plant growth, even under stress conditions. These changes in phenotype are accompanied by differences in the concentration of biomarkers such as photosynthetic pigments (chlorophylls a and b and carotenoids), reactive oxygen species, and, particularly, the amino acid proline in the leaves of young plants, with changes that depend on environmental conditions and the application of a plasma treatment. This supports the idea that, rather than an increase in seed water imbibition capacity, there are clear beneficial effects on seedling of plasma treatments. | Versión del editor: | https://creativecommons.org/licenses/by/4.0/ | URI: | http://hdl.handle.net/10261/348976 | DOI: | 10.1021/acsagscitech.3c00121 | E-ISSN: | 2692-1952 |
Aparece en las colecciones: | (ICMS) Artículos |
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