JIN Zhongmin,LI Dan,PAN Lin,et al.Resistant Strains of JB13 Enhanced Enrichment of Lead and Cadmium in Tall Fescue[J].Northern Horticulture,2016,40(09):75-78.[doi:10.11937/bfyy.201609021]
抗性菌株JB13强化高羊茅对铅镉的富集
- Title:
- Resistant Strains of JB13 Enhanced Enrichment of Lead and Cadmium in Tall Fescue
- Keywords:
- tall fescue; Pb and Cd resistant strain; heavy metal
- 文献标志码:
- A
- 摘要:
- 以铅镉抗性菌株JB13和高羊茅为试材，采用植物微生物联合修复的方法，研究了Pb、Cd抗性菌株(JB13)与高羊茅共同作用对Pb、Cd污染土壤修复的影响，以期得到高效修复重金属的方法。结果表明：Pb、Cd对高羊茅的生物量有抑制作用，且对地上部的抑制作用高于地下部，Cd对高羊茅生长的抑制作用强于Pb。高羊茅具有富集重金属的能力，Pb、Cd单一和共同污染时地下部富集量优于地上部。抗性菌JB13能促进高羊茅对重金属的富集。
- Abstract:
- In order to find a more effective way of the restoration of heavy metal contaminated soil，Pb,Cd resistant strain (JB13) combined with Festuca arundinace was used as the experimental material,the effects of the combined-restoration of plant with microbes were studied.The results showed that the biomass of the Festuca arundinace was decreased by Pb,Cd and the inhibition was stronger of the above-ground parts of the plants than that of the under-ground parts and the inhibition of Cd to the Festuca arundinace was stronger than that of the Pb.The ability to accumulate the single heavy metal Pb or Cd as well as the combined heavy metal Pb and Cd was both stronger of the above-ground parts of Festuca arundinace than that of the under-ground parts.Pb,Cd resistant strain (JB13) could improve the ability of the accumulation of heavy metals of the Festuca arundinace.
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备注/Memo
第一作者简介：金忠民（1968-），女，博士，副教授，研究方向为环境污染风险评估与修复。E-mail：492012666@qq.com. 基金项目：黑龙江省自然科学基金资助项目（c201240）；齐齐哈尔大学创新资助项目（YJSCX2014-022X）。