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Mechanisms of silicon-mediated alleviation of abiotic stresses in higher plants: A review
Liang, Yongchao; Sun, Wanchun; Zhu, Yong-Guan; Christie, Peter
2007-01-05
Source PublicationENVIRONMENTAL POLLUTION
Volume147Issue:2Pages:422-428
AbstractAlthough silicon (Si) is the second most abundant element both on the surface of the Earth's crust and in soils, it has not yet been listed among the essential elements for higher plants. However, the beneficial role of Si in stimulating the growth and development of many plant species has been generally recognized. Silicon is known to effectively mitigate various abiotic stresses such as manganese, aluminum and heavy metal toxicities, and salinity, drought, chilling and freezing stresses. However, mechanisms of Si-mediated alleviation of abiotic stresses remain poorly understood. The key mechanisms of Si-mediated alleviation of abiotic stresses in higher plants include: (1) stimulation of antioxidant systems in plants, (2) complexation or co-precipitation of toxic metal ions with Si, (3) immobilization of toxic metal ions in growth media, (4) uptake processes, and (5) compartmentation of metal ions within plants. Future research needs for Si-mediated alleviation of abiotic stresses are also discussed. (C) 2006 Elsevier Ltd. All rights reserved.
Department土壤环境科学实验室
KeywordAbiotic Stress Heavy Metals Plant Disease Salinity Silicon
WOS IDWOS:000246457700018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/22632
Collection土壤环境科学实验室
Recommended Citation
GB/T 7714
Liang, Yongchao,Sun, Wanchun,Zhu, Yong-Guan,et al. Mechanisms of silicon-mediated alleviation of abiotic stresses in higher plants: A review[J]. ENVIRONMENTAL POLLUTION,2007,147(2):422-428.
APA Liang, Yongchao,Sun, Wanchun,Zhu, Yong-Guan,&Christie, Peter.(2007).Mechanisms of silicon-mediated alleviation of abiotic stresses in higher plants: A review.ENVIRONMENTAL POLLUTION,147(2),422-428.
MLA Liang, Yongchao,et al."Mechanisms of silicon-mediated alleviation of abiotic stresses in higher plants: A review".ENVIRONMENTAL POLLUTION 147.2(2007):422-428.
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