ArticleFrontiers in plant science2025
Dual application of β-sitosterol and biochar reduces copper toxicity in bamboo via improved redox homeostasis.
Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Review
- Ameliorative role of apricot shell-derived biochar in modulating photosynthetic pigments, osmolytes, and secondary metabolites in chromium stressed Brassica juncea.Scientific reports · 2026Article
- Mechanistic synergy of biochar, phosphate-solubilizing microbes and MgO nanoparticle enhances phosphorus availability, soil fertility, and crop resilience in phosphorus-fixing soils (Oxisols).BMC plant biology · 2026Article
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Authors and funding
7 authors.
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Abstract
Introduction: Heavy metal pollution threatens ecosystems and agriculture, necessitating affordable solutions. Methods: We evaluated the combined effect of β-sitosterol (Bs, 100 mg L Results and discussion: Elevated Cu induced oxidative stress via reactive oxygen species (ROS) and methylglyoxal (MG) impairing photosynthesis, nutrient uptake, and growth. Bs and Eb, individually or combined, enhanced antioxidant activity (SOD, CAT, POD, PAL), glyoxalase cycle efficiency, and osmolyte accumulation (proline, glycine betaine), mitigating oxidative damage. The treatments improved photosynthetic pigments, gas exchange, and water retention while reducing Cu translocation and bioaccumulation. Combined Bs+Eb most effectively lowered Cu levels in roots (36-45%), stems (35-38%), and leaves (24-51%) compared to controls. Nutrient uptake (Fe, Mg, Mn, K, P, Ca) was increased by 12-44% with Eb and 7-25% with Bs alone, yet synergistically by 87-190% with Bs+Eb. Biomass and shoot length were improved by 26-54% under Cu stress. The dual application also reduced electrolyte leakage (41-66%) and MG content (12-19%) while boosting non-enzymatic antioxidants (GSH, AsA) by 67-139%. These results demonstrate that Bs and Eb jointly enhance bamboo tolerance against Cu by improving redox homeostasis, nutrient retention, and stress resilience. This approach offers a sustainable strategy for phytoremediation and soil restoration in Cu-contaminated environments.
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