YIC-IR  > 中科院海岸带环境过程与生态修复重点实验室
Alternative TitleEnhancing Remediation of Sedum plumbizincicola in Cadmium Contaminated Soils by Trichoderma reesei FS10-C
马文亭 ; 滕应 ; 凌婉婷 ; 李振高 ; 吴龙华 ; 骆永明
Source Publication土壤
Keyword镉污染土壤 里氏木霉fs10-c 伴矿景天 植物修复
Contribution Rank南京农业大学资源与环境科学学院;中国科学院土壤环境与污染修复重点实验室(南京土壤研究所);中国科学院烟台海岸带研究所;
Corresponding Author滕应 yteng@issas.ac.cn
Abstract为提高伴矿景天对Cd污染土壤的修复效果,通过盆栽模拟试验,研究了木霉(Trichoderma)对伴矿景天生长和Cd修复效率的影响。结果表明:Cd的加入抑制了伴矿景天的生长;伴矿景天在Cd含量为5 mg/kg模拟污染土壤中对Cd的提取效率最高。在不同Cd污染水平下,里氏木霉(T.reesei)FS10-C使伴矿景天地上部干重比对照组增加了17.1%~42.5%,并显著提高伴矿景天地上部对Cd的积累;在15 mg/kg Cd处理下,里氏木霉FS10-C处理组植物地上部Cd积累量高于对照组46.2%,但对于土壤中NH4OAc提取态Cd含量影响不显著。说明里氏木霉FS10-C能提高伴矿景天对Cd的抗性...
Other AbstractA pot experiment was carried out by using Sedum plumbizincicola as a hyper-accumulator to explore effects of Trichoderma reesei FS10-C on phytoremediation of Cd-contaminated soils. Results showed that the growth of T. reesei FS10-C was inhibited in Cd-contaminated soils. S. plumbizincicola grown in 5mg/kg Cd-contaminated soils showed higher phytoextraction efficiency than those in 15mg/kg Cd-contaminated soils. And the treatment of T. reesei FS10-C enhanced plants growth, especially in 15mg/kg Cd-Contaminated soils. The shoots of Sedum plumbizincicola resulted a 17.1%-42.5% increase in dry weight with the treatment of T. reesei FS10-C, respectively (P<0.5). Meanwhile the strain significantly improved Cd uptake. Compared with the non-inoculated plants it was increased by 46.2% in 15mg/kg Cd-contaminated soils. However, the difference of Cd extracted by NH4OAc did not differ significantly between the two treatments and controls. In conclusion, T. reesei FS10-C could enhance the growth of S. plumbizincicola, the biomass of the over-ground part and the phytoextraction efficiency. Thus T. reesei FS10-C has a high value in use in the field of improving phytormediation of Cd-contaminated soils by S. plumbizincicola.
Indexed ByCSCD
Funding Organization国家高技术研究发展计划(863计划)项目(2007AA061001);; 江苏省自然科学基金项目(BK2009016)资助
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马文亭,滕应,凌婉婷,等. 里氏木霉FS10-C对伴矿景天吸取修复镉污染土壤的强化作用[J]. 土壤,2012,44(6):991-995.
APA 马文亭,滕应,凌婉婷,李振高,吴龙华,&骆永明.(2012).里氏木霉FS10-C对伴矿景天吸取修复镉污染土壤的强化作用.土壤,44(6),991-995.
MLA 马文亭,et al."里氏木霉FS10-C对伴矿景天吸取修复镉污染土壤的强化作用".土壤 44.6(2012):991-995.
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