ArticleBMC plant biology2024
Exogenous silicon alleviates aluminum stress in Eucalyptus species by enhancing the antioxidant capacity and improving plant growth and tolerance quality.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Analysis of the sorghumGM crops & food · 2026Article
- Synergistic effects of pigments, morphology, and physio-biochemical parameters reveal petal coloration differences in eight rose cultivars.Scientific reports · 2026Article
- Silicon at the Soil-Plant-Microbiome Interface: Rhizospheric Reconfiguration and Crop Resilience to Environmental Stresses.Plants (Basel, Switzerland) · 2026Review
- Article
- Genetic Basis of the Antioxidant and Serum Enzyme Activities of the Large Yellow CroakerAntioxidants (Basel, Switzerland) · 2025Article
- Article
- Mechanisms of Aluminum Toxicity Impacting Root Growth in Shatian Pomelo.International journal of molecular sciences · 2024Article
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6 authors.
Funding
Abstract
backgroundAs an efficient and high-quality additive in agriculture and forestry production, silicon (Si) plays an important role in alleviating heavy metal stress and improving plant growth. However, the alleviating effect of aluminum (Al) toxicity by Si in Eucalyptus is still incomplete.
resultsHere, a study was conducted using two Al concentrations (0 and 4.5 mM) with four Si concentrations (0, 0.5, 1, and 1.5 mM) to investigate plant growth, tolerance and antioxidant defense system in four Eucalyptus species (Eucalyptus tereticornis, Eucalyptus urophylla, Eucalyptus grandis, and Eucalyptus urophylla × Eucalyptus grandis). The results showed that the stress induced by 4.5 mM Al increased oxidative damage, disturbed the balance of enzymatic and non-enzymatic antioxidant systems, and negatively affected plant growth and tolerance quality in the four Eucalyptus species. However, the addition of 0.5 mM and 1 mM Si alleviated the effects of Al toxicity on plant growth and improved plant growth quality by strengthening stress tolerance. Besides, adding Si significantly facilitated the synergistic action of enzymatic and non-enzymatic antioxidant defenses, increased the removal of reactive oxygen species, reduced lipid peroxidation, and oxidative stress, and promoted the phytoremediation rate of the four Eucalyptus species by 18.7 ~ 34.8% compared to that in the absence of Si.
conclusionsSilicon can alleviate the effect of Al toxicity by enhancing the antioxidant capacity and improving plant growth and tolerance quality. Hence, the application of Si is an effective method for the phytoremediation of Eucalyptus plantations in southern China.
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