Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral Status
Silicon (Si) has been extensively studied for its ability to decrease sodium (NaCl) toxicity in various plant species. Nonetheless, the processes that drive these responses are still not well understood. In this study, we investigate the effects of silicon (Si) on the modification of hydrogen peroxi...
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2024-12-01
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| author | Alexander Calero Hurtado Denise Aparecida Chiconato Gilmar da Silveira Sousa Junior Renato de Mello Prado Kolima Peña Calzada Dilier Olivera Viciedo |
| author_facet | Alexander Calero Hurtado Denise Aparecida Chiconato Gilmar da Silveira Sousa Junior Renato de Mello Prado Kolima Peña Calzada Dilier Olivera Viciedo |
| author_sort | Alexander Calero Hurtado |
| collection | DOAJ |
| description | Silicon (Si) has been extensively studied for its ability to decrease sodium (NaCl) toxicity in various plant species. Nonetheless, the processes that drive these responses are still not well understood. In this study, we investigate the effects of silicon (Si) on the modification of hydrogen peroxide concentration [H<sub>2</sub>O<sub>2</sub>], photosynthetic pigment content, nutrient accumulation, and the production of root and shoot dry biomass in sunflower (<i>Helianthus annuus</i> L.) plants hydroponically grown with NaCl (0 and 100 mM) in combination with Si (0 and 2.0 mM). Salt stress induced a significant decrease in plant growth due to high [H<sub>2</sub>O<sub>2</sub>] and a decrease in photosynthetic pigment content and nutritional status, denoting that there is oxidative and ionic stress. Nevertheless, Si addition to the growth medium consistently decreased the [H<sub>2</sub>O<sub>2</sub>] in sunflower and photosynthetic pigment content, and macro- and micronutrient accumulation, which was associated with an increase in root and shoot dry matter production. These findings indicate that adding Si to the growth medium is crucial for enhancing plant resistance to salt-induced ionic and osmotic stress, making it a promising strategy for improving crop growth and management under salinity conditions. |
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| publishDate | 2024-12-01 |
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| spelling | doaj-art-37d6ed6c8ed54d3da2acee70e25d57172024-12-27T14:54:52ZengMDPI AGStresses2673-71402024-12-014486086910.3390/stresses4040057Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral StatusAlexander Calero Hurtado0Denise Aparecida Chiconato1Gilmar da Silveira Sousa Junior2Renato de Mello Prado3Kolima Peña Calzada4Dilier Olivera Viciedo5Programa de Pós-Graduação em Biologia Vegetal, Departamento de Botânica e Ecologia, Instituto de Biociências, Universidade Federal de Mato Grosso, Cuiabá 78060-900, MT, BrazilFaculdade de Filosofia, Ciências e Letras de Ibitinga, Rua Roque Raineri, 81, JD. Centenário, Ibitinga 14940-486, SP, BrazilInstituto Municipal de Ensino Superior de Bebedouro “Victorio Cardassi”, Rua Nelson Domingos Madeira, 300, Pq. Eldorado, Bebedouro 14706-124, SP, BrazilDepartment of Agricultural Production Sciences, Faculty of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal 14884-900, SP, BrazilDepartment of Agronomy, Faculty of Agricultural Sciences, University of Sancti Spiritus Jose Marti Perez (UNISS), Comandante Fajardo s/n, Olivos II, Sancti Spiritus 60100, CubaInstitute of Agrifood, Animals and Environmental Sciences, Universidad de O’Higgins, San Fernando 3070000, ChileSilicon (Si) has been extensively studied for its ability to decrease sodium (NaCl) toxicity in various plant species. Nonetheless, the processes that drive these responses are still not well understood. In this study, we investigate the effects of silicon (Si) on the modification of hydrogen peroxide concentration [H<sub>2</sub>O<sub>2</sub>], photosynthetic pigment content, nutrient accumulation, and the production of root and shoot dry biomass in sunflower (<i>Helianthus annuus</i> L.) plants hydroponically grown with NaCl (0 and 100 mM) in combination with Si (0 and 2.0 mM). Salt stress induced a significant decrease in plant growth due to high [H<sub>2</sub>O<sub>2</sub>] and a decrease in photosynthetic pigment content and nutritional status, denoting that there is oxidative and ionic stress. Nevertheless, Si addition to the growth medium consistently decreased the [H<sub>2</sub>O<sub>2</sub>] in sunflower and photosynthetic pigment content, and macro- and micronutrient accumulation, which was associated with an increase in root and shoot dry matter production. These findings indicate that adding Si to the growth medium is crucial for enhancing plant resistance to salt-induced ionic and osmotic stress, making it a promising strategy for improving crop growth and management under salinity conditions.https://www.mdpi.com/2673-7140/4/4/57<i>Helianthus annus</i>ionic stressproductivityosmotic stresssalinitysilicon |
| spellingShingle | Alexander Calero Hurtado Denise Aparecida Chiconato Gilmar da Silveira Sousa Junior Renato de Mello Prado Kolima Peña Calzada Dilier Olivera Viciedo Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral Status Stresses <i>Helianthus annus</i> ionic stress productivity osmotic stress salinity silicon |
| title | Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral Status |
| title_full | Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral Status |
| title_fullStr | Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral Status |
| title_full_unstemmed | Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral Status |
| title_short | Silicon Induces Salt Stress Amelioration in Sunflower Plants by Improving Photosynthetic Pigments and Mineral Status |
| title_sort | silicon induces salt stress amelioration in sunflower plants by improving photosynthetic pigments and mineral status |
| topic | <i>Helianthus annus</i> ionic stress productivity osmotic stress salinity silicon |
| url | https://www.mdpi.com/2673-7140/4/4/57 |
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