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- Combretum alfrediin. 风车子
- Sedum alfredii Hance has been found as a new Zn/Cd hyperaccumulating plant species native to China. 东南景天(Sedum alfredii Hance)是产于我国东南部地区古老铅锌矿上的一种锌/镉超积累植物。
- The maximum Cd concentration in aerial part of mining-ecotype Sedum alfredii Hance was 1423. 477 mg/kg (DW) under the condition of soil culture. 在土壤培养条件下，矿山生态型东南景天地上部的Cd含量也达到1423.;477 mg/kg(DW)。
- There existed significant difference in chemical forms of Cd in root, stem and leaf in mining ecotype Sedum alfredii Hance. 本文采用改进的耗竭法，研究了矿山生态型东南景天吸收Cd的时间动力学特性和浓度动力学特性。
- The effects of nitrogen on plant growth and cadmium accumulation in hyperaccumulator of Sedum alfredii Hance were investigated using hydroponic culture. 通过水培试验,研究了氮素水平对超积累植物东南景天植株生长和镉吸收积累的影响。
- The co-crop of Sedum alfredii Hance and Z. mays restrained the exudations of malic and formic acids, but enhanced the exudations of acetic and succinic acids. 玉米和超富集东南景天套种明显抑制根系苹果酸和甲酸的分泌，而乙酸和琥珀酸的分泌大幅度增加；
- There were a high citric concentrations in the root exudates in the co-crop of non-accumulative Sedum alfredii and Z. mays, while it was not detected in single planting. 玉米和非富集东南景天套种根系分泌高含量的柠檬酸，而在单种处理中柠檬酸未检出。
- A solution culture experiment was carried out to compare the influences of organic acids application on zinc (Zn) uptake and accumulation by two ecotypes of Sedum alfredii Hance. 摘要 通过溶液培养试验,比较研究了外源有机酸对两种生态型东南景天生长和锌吸收与积累的影响。
- The effects of organic and inorganic nitrogen on plant growth and cadmium absorbability and accumulation in two ecotypes of Sedum alfredii Hance were investigated using hydroponic culture. 通过水培试验,研究了有机和无机形态氮对两种生态型东南景天生长和镉积累的影响。
- The contents of Cd in F1, F2, F3 fraction of root, stem and leaf of hyperaccumulator-Sedum alfredii Hance were increased and the change of percentage of Cd were different with increasing S supplies. 超积累东南景天根、茎和叶F1、F2、F3组分中的镉含量随着硫水平的增加而增加，但分配比例变化不一致；
- Zinc mobilization test indicated that root exudates of the two ecotypes of Sedum alfredii Hance could mobilize the non-labile ZnO、ZnCO3 and Zn3(PO4)2, but could not mobilize ZnS and ZnSO4 in soils. 3. （2）根系分泌物提取不同Zn化合物污染土壤中Zn的模拟试验表明，东南景天根系分泌物能够活化土壤中难溶态的ZnO、ZnCO3和Zn3(PO4)2，对ZnS和ZnSO4则没有活化能力。
- Soil enzymatic activities and its relationship with available heavy metal content in rhizosphere of hyperaccumulator Sedum alfredii Hance were studied based on field investigation and pot experiment. 通过野外调查和盆栽试验研究了超积累植物东南景天根际土壤酶活性变化及其与重金属有效态的关系。
- Keywords ecotype;zinc;Sedum alfredii Hance; 生态型;锌;东南景天;
- Keywords Sedum alfredii Hance;Zn; 东南景天;锌;
- Keywords Nitrogen Root morphology Sedum alfredii Hance Cadmium; 氮;根系形态;东南景天;镉;
- Keywords Sedum alfredii Hance;root system;Zn;interplanting; 东南景天;根系;锌;套种;
- any of numerous shrubs or small trees of the genus Combretum having spikes of small flowers 风车子属众多灌木和小木的任何一种，呈穗状花序
- Research advances in the chemical constituents and pharmacological functions of Combretum 风车子属植物的化学成分及药理作用研究进展
- any of numerous shrubs or small trees of the genus Combretum having spikes of small flowers. 风车子属众多灌木和小木的任何一种，呈穗状花序。
- Zinc Phytoextraction Ability from Polluted Soil of Hyperaccumulating Ecotype of Sedum alfredii Hance 东南景天提取污染土壤中锌的潜力研究
