Advances in Physiochemical and Molecular Mechanisms of Abiotic Stress Tolerance in Plants

Saleem, Muhammad Hamzah; Mfarrej, Manar Fawzi Bani; Khan, Khalid Ali; Ercisli, Sezai; Elsharkawy, Mohsen Mohamed; Fahad, Shah

doi:10.1007/s10343-024-00993-x

Journal of Crop Health

2024

DOI: 10.1007/s10343-024-00993-x

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Advances in Physiochemical and Molecular Mechanisms of Abiotic Stress Tolerance in Plants

Muhammad Hamzah Saleem,

Manar Fawzi Bani Mfarrej,

Khalid Ali Khan

et al.

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2024

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Cited by 1 publication

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Silicon Modifies Photosynthesis Efficiency and hsp Gene Expression in European Beech (Fagus sylvatica) Seedlings Exposed to Drought Stress

Nowakowska,

Dang,

Kiełtyk

et al. 2024

Genes

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Background: Climate change is leading to severe and long-term droughts in European forest ecosystems. can have profound effects on various physiological processes, including photosynthesis, gene expression patterns, and nutrient uptake at the developmental stage of young trees. Objectives: Our study aimed to test the hypothesis that the application of silica (SiO2) influences photosynthetic efficiency and gene expression in 1- to 2-year-old Fagus sylvatica (L.) seedlings. Additionally, we aimed to assess whether silicon application positively influences the structural properties of leaves and roots. To determine whether the plant physiological responses are genotype-specific, seedlings of four geographically different provenances were subjected to a one-year evaluation under greenhouse conditions. Methods: We used the Kruskal–Wallis test followed by Wilcoxon’s test to evaluate the differences in silicon content and ANOVA followed by Tukey’s test to evaluate the physiological responses of seedlings depending on treatment and provenance. Results: Our results showed a significantly higher Si content in the roots compared with the leaves, regardless of provenance and treatment. The most significant differences in photosynthetic performance were found in trees exposed to Si treatment, but the physiological responses were generally nuanced and provenance-dependent. Expression of hsp70 and hsp90 was also increased in leaf tissues of all provenances. These results provide practical insights that Si can improve the overall health and resilience of beech seedlings in nursery and forest ecosystems, with possible differences in the beneficial role of silicon application arising from the large differences in wild populations of forest tree species.

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Silicon Modifies Photosynthesis Efficiency and hsp Gene Expression in European Beech (Fagus sylvatica) Seedlings Exposed to Drought Stress

Nowakowska,

Dang,

Kiełtyk

et al. 2024

Genes

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show abstract

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Advances in Physiochemical and Molecular Mechanisms of Abiotic Stress Tolerance in Plants

Cited by 1 publication

References 121 publications

Silicon Modifies Photosynthesis Efficiency and hsp Gene Expression in European Beech (Fagus sylvatica) Seedlings Exposed to Drought Stress

Silicon Modifies Photosynthesis Efficiency and hsp Gene Expression in European Beech (Fagus sylvatica) Seedlings Exposed to Drought Stress

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