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Silicon improves seed germination and seedling growth and alleviates salt stress in Medicago sativa L. by regulating seed reserve mobilization and antioxidant system defense by Ahmed El Moukhtari; Nadia Lamsaadi; Sandrine Lebreton; Mohammed Mouradi; Cécile Cabassa; Pierre Carol; Arnould Savoure; Mohamed Farissi is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Silicon improves seed germination and seedling growth and alleviates salt stress in Medicago sativa L. by regulating seed reserve mobilization and antioxidant system defense about?
Exogenous application of silicon (Si) provides benefits to various plant species, including alfalfa. However, knowledge about the effects of Si on seed germination in alfalfa under salt stress is still scarce. Therefore, this study aimed at exploring the effect of Si on Medicago sativa L. seed germination and seedling growth under salinity. Seeds of two Moroccan alfalfa varieties, Ouad Lmaleh (OL) and Demnate 201 (Dm), and the European variety NS Mediana ZMS V (NS Med) were germinated with 200 mM NaCl solution with or without 3 mM Si. The obtained results showed that salt stress significantly reduced germination traits, reserve mobilization and embryo viability. However, exogenous Si counteracted the negative impact of salinity on seed germination by enhancing reserve mobilization and embryo viability. Si alleviated salt-mediated oxidative stress in alfalfa by reducing hydrogen peroxide (H 2 O 2 ), electrolyte leakage and malondialdehyde contents and by increasing proline accumulation. Besides, H 2 O 2 staining revealed that Si reduced H 2 O 2 accumulation induced by salt stress. Enzyme activity analyses revealed that Si triggered the activity of some critical enzymes related to ox
Who reads Silicon improves seed germination and seedling growth and alleviates salt stress in Medicago sativa L. by regulating seed reserve mobilization and antioxidant system defense?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Ahmed El Moukhtari; Nadia Lamsaadi; Sandrine Lebreton; Mohammed Mouradi; Cécile Cabassa; Pierre Carol; Arnould Savoure; Mohamed Farissi
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)