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|Table of Contents|

垂柳对镉吸收、积累与耐性的特点分析

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2009年05期
Page:
17
Column:
研究论文
publishdate:
2009-10-20

Article Info:/Info

Title:
Studies on cadmium uptake, accumulation and tolerance in Salix babylonica
Author(s):
YANG Weidong CHEN Yitai
The Research Institute of Subtropical Forestry, CAF, Fuyang 311400, China
Keywords:
Salix babylonica L. cadmium accumulation phytoremediation
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.2009.05.004
Document Code:
-
Abstract:
Cadmium uptake, accumulation and tolerance potential of three weeping willow (Salix babylonica L.) clones were investigated through hydroponic culture. The results showed that changes of growth parameters in three clones were related to clones and Cd levels in the medium, growth parameters of three clones were not significantly influenced at low Cd concentration (10 μmol/L), Cd concentrations in roots and shoots was increased with elevated Cd levels, high accumulation of Cd was found manly in roots, there was remarkable difference on Cd concentration of shoots among clones. At 10 μmol/L Cd, Cd concentration in shoots of three clones was more than 100 μg/g, translocation factors (TF) of three clones were less than 1, however, ratio of total amount of Cd in shoots to Cd in roots was more than 1. Tolerance indexes (TI) of three clones were related to clones and Cd levels in the medium, TIroot of 10 μmol/L Cd was 0.80—093, and TIshoot of 10 μmol/L was 0.74—0.96. Above results suggested that S.babylonica could tolerate and accumulate Cd at low concentration (10 μmol/L), and was suitable for potential phytoremediation.

References

[1]Vervacke P, Tack F M G, Lust T, et al. Shortand longerterm effects of the willow root system on metal extractability in contaminated dredged sediment[J]. Journal of Environmental Quality, 2004, 33(3): 976-983.
[2]张炜鹏,陈金林,黄全能,等. 南方主要绿化树种对重金属的积累特性[J]. 南京林业大学学报:自然科学版,2007,31(5):125-128.
[3]Kuzovkina Y A, Knee M, Quigley M F. Cadmium and copper uptake and translocation in five willow (Salix L.) species[J]. International Journal of Phytoremediation, 2004, 6(3): 269-287.
[4]Rosselli W, Keller C, Boschi K. Phytoextraction capacity of trees growing on a metal contaminated soil[J]. Plant and Soil, 2003, 256: 265-272.
[5]Meers E, Vandecasteele B, Ruttens A, et al. Potential of five willow species (Salix spp.) for phytoextraction of heavy metals[J]. Environmental and Experimental Botany, 2007, 60(1): 57-68.
[6]Greger M, Landberg T. Use of willow in phytoextraction[J]. International Journal of Phytoremediation, 1999, 1(2): 115-123.
[7]Dickinson N M, Pulford I D. Cadmium phytoextraction using shortrotation coppice Salix: the evidence trail[J]. Environment International, 2005, 31(4): 609-613.
[8]Cosio C, Vollenweider P, Keller C. Localization and effects of cadmium in leaves of a cadmiumtolerant willow (Salix viminalis L.) I. Macrolocalization and phytotoxic effects of cadmium[J]. Environmental and Experimental Botany, 2006, 58(1-3): 64-74.
[9]Watson C, Pulford I D, RiddellBlack D. Development of a hydroponic screening technique to asses heavy metal resistance in willow(Salix)[J]. International Journal of Phytoremediation, 2003, 5(4): 333-349.
[10]Watson C, Pulford I D, RiddllBlack D. Screening of willow species for resistance to heavy metals: comparison of performance in a hydroponics system and field trials[J]. International Journal of Phytoremediation, 2003, 5(4): 351-365.
[11]Vyslouilová M, Tlusto P, Száková J, et al. As, Cd, Pb and Zn uptake by Salix spp. clones grown in soils enriched by high loads of these elements[J]. Plant Soil Environ, 2003, 49(5): 191-196.
[12]Lombi E, Zhao F J, Dunham S J, et al. Cadmium accumulation in populations of Thlaspi caerulescens and Thlaspi goesingense[J]. New Phytologist, 2000, 145: 11-20.
[13]魏树和,周启星,王新,等. 杂草中具有重金属超积累特征植物的筛选[J]. 自然科学进展,2003,13(12):1 259-1 265.
[14]刘秀梅,聂俊华,王庆仁. 6种植物对Pb的吸收与耐性研究[J]. 植物生态学报,2002,26(5):533-537.
[15]Pulford I D, Watson C. Phytoremediation of heavy metalcontaminated land by treesa review[J]. Environment International, 2003, 29(4): 529-540.
[16]涂忠虞. 柳树育种与栽培[M]. 南京:江苏科学技术出版社,1982.

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