Is the effect of silicon on rice uptake of arsenate (As-v) related to internal silicon concentrations, iron plaque and phosphate nutrition?
文献类型：期刊论文
| 作者 | Geng, C.-N.; Wang, S.-G.; Liang, Y.-C.; Liu, W.-J.; Zhu, Y.-G.; Guo, W. |
| 刊名 | ENVIRONMENTAL POLLUTION
 |
| 出版日期 | 2007-07 |
| 卷号 | 148期号:1页码:251-257 |
| 关键词 | Arsenate Iron Plaque Kinetics Uptake Phosphate Silicate |
| 英文摘要 | Solution culture experiments were conducted to investigate the effects of silicon (Si) on arsenate (As-v) uptake by rice. The addition of Si to the pretreatment or uptake solution significantly decreased shoot and root As concentrations (P < 0.001 and P < 0.05). The presence of Si in the pretreatment or uptake solution also significantly decreased shoot P concentrations (P < 0.001). The data demonstrated that both internal and external Si inhibited the uptake of As and P. Results of As uptake kinetics showed that the mechanism of the effect of Si on arsenate uptake is not caused by direct competition for active sites of transporters with As. The effect of Si on As uptake was not entirely mediated through the effect of Si on P uptake. Although the addition of Si to pretreatment solutions still significantly decreased shoot and root As concentrations, the extent of reduction became smaller when rice roots were coated with iron plaque. (C) 2006 Elsevier Ltd. All rights reserved. |
| WOS记录号 | WOS:000246978900028 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/22626]  |
| 专题 | 生态环境研究中心_土壤环境科学实验室 |
| 推荐引用方式 GB/T 7714 | Geng, C.-N.,Wang, S.-G.,Liang, Y.-C.,et al. Is the effect of silicon on rice uptake of arsenate (As-v) related to internal silicon concentrations, iron plaque and phosphate nutrition?[J]. ENVIRONMENTAL POLLUTION,2007,148(1):251-257. |
| APA | Geng, C.-N.,Wang, S.-G.,Liang, Y.-C.,Liu, W.-J.,Zhu, Y.-G.,&Guo, W..(2007).Is the effect of silicon on rice uptake of arsenate (As-v) related to internal silicon concentrations, iron plaque and phosphate nutrition?.ENVIRONMENTAL POLLUTION,148(1),251-257. |
| MLA | Geng, C.-N.,et al."Is the effect of silicon on rice uptake of arsenate (As-v) related to internal silicon concentrations, iron plaque and phosphate nutrition?".ENVIRONMENTAL POLLUTION 148.1(2007):251-257. |
入库方式： OAI收割
来源：生态环境研究中心
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