How silicon alleviates the effect of abiotic stresses during seed germination: A review - Sorbonne Université
Journal Articles Journal of Plant Growth Regulation Year : 2023

How silicon alleviates the effect of abiotic stresses during seed germination: A review

Abstract

Rapid synchronized seed germination is desirable to ensure seedling establishment and improve crop yield. However, abiotic stresses from drought, salinity, and heavy metals have a negative impact on seed germination. The application of silicon (Si) has emerged as a promising approach for improving seed germination, especially under unfavorable conditions. However, the mechanisms of Si action have not been systematically studied in germinating seeds under conditions of abiotic stress. Considering the potential importance of sustainable agriculture, here we review recent findings of how seeds of numerous species, including several important crops, respond to Si treatment under abiotic stress. Exogenous Si has multiple effects on embryo viability, reserve mobilization, hormone/enzyme activity, membrane integrity, antioxidant metabolism, and regulation of gene expression in seed germination.
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hal-03765797 , version 1 (31-08-2022)

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Ahmed El Moukhtari, Mariem Ksiaa, Walid Zorrig, Cécile Cabassa, Chedly Abdelly, et al.. How silicon alleviates the effect of abiotic stresses during seed germination: A review. Journal of Plant Growth Regulation, 2023, 42, pp.3323-3341. ⟨10.1007/s00344-022-10794-z⟩. ⟨hal-03765797⟩
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