|Table of Contents|

Effects of EDTA on the Growth and Lead Accumulation of Vetiver Under Lead Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年02期
Page:
9-12
Research Field:
Publishing date:

Info

Title:
Effects of EDTA on the Growth and Lead Accumulation of Vetiver Under Lead Stress
Author(s):
ZHU Yu-lin1; XIE Hua-hua2; TAN Ping1; ZHOU Xin-wen1; HUANG Zhao-yu1
1.College of Life Science and Technology,Yulin Normal University,Yulin,Guangxi 537000;
2.Yulin Environmental Monitoring Station,Yulin,Guangxi 537000
Keywords:
EDTA; Vetiveria zizanioides; lead stress
PACS:
S 153
DOI:
-
Abstract:
The effects of EDTA on the growth and lead accumulation characteristics of vetiver under lead stress were studied in solution culture experiment.The results showed plant growth of Vetiveria zizanioides was obviously inhibited by the simple lead treatment,the concentration of Pb in vetiver plant increased with Pb concentration in solution, and Pb contents in roots was higher than that in shoots.Compared with the simple Pb treatment, the growth of Vetiveria zizanioides was in a certain extent inhibited by EDTA adding to the Pb contaminated solution.Pb accumulations in the shoots and roots of Vetiveria zizanioides were significantly increased by EDTA treatment,the ratio of Pb contents in shoots and roots increased by EDTA treatment.It indicated that EDTA treatment improved Pb absorption and accumulation of Vetiveria zizanioides, and also promoted the Pb transportation to the shoots.

References:

[1]Chen H M,Zheng C.R,Shen Z Q.Chemical methods and phytoremediation of soil contaminated with heavy metals[J].Chemosphere,2000,41:229-234.

[2]田胜尼,刘登义,彭少麟,等.香根草和鹅观草对Cu、Pb、Zn及其复合重金属的耐性研究[J].生物学杂志,2004,21(3):15-26.
[3]Shen Z G,Li X D,Wang C C,et al.Lead phytoextraction from contaminated soil with high-biomass plant species[J].Journal of Enviromental Quality,2002,31:1893-1900.
[4]张利红,李培军,李雪梅,等.镉胁迫对小麦幼苗生长及生理特性的影响[J].生态学杂志,2005,24(4):458-460.
[5]Zhang G P,Fukami M,Sekimoto H.Influence of cadmium on mineral concentrations and components in wheat genotypes differing in Cd tolerance at seedling stage[J].Field Crops Res,2002,77:93-98.
[6]王慧忠,何翠屏,赵楠.铅对草坪植物生物量与叶绿素水平的影响[J].草业科学,2003,20(6):73-75.
[7]付庆灵,胡红青,黎佳佳,等.灰潮土Cd、Pb复合污染对萝卜产量品质和矿质元素吸收的影响[J].农业环境科学学报,2005,24(2):231-234.
[8]张玲,李俊梅,王焕校.镉胁迫下小麦根系的生理生态变化[J].土壤通报,2002,33(1):62-65.
[9]Ttuong P N V.An overview of research,development and application of the vetiver grass system (VGS) overseas and in Queensland[Ａ].In:Annual Report of the Vetiver Network[C].New York:The Vetiver Network,1997:5-17.
[10]McBride M B.Environmental Chemistry of Soils[M].New York:OxfordUniversity Press,1994.
[11]丁竹红,胡忻,尹大强.螯合剂在重金属污染土壤修复中应用研究进展[J].生态环境学报,2009,18(2):777-789.[12]李剑敏,杨劲楹,杨晓英,等.EDTA对铅污染土壤上芥菜生长及铅积累特性的影响[J].土壤通报,2007,38(6):1178-1181.
[13]陈亚华,沈振国,宗良纲.EDTA对2种芥菜型油菜幼苗富集Pb的效应[J].环境科学研究,2005,18(1):67-70.[14]Vassil A D,Kapulnik Y,Raskin I,et al.The role of EDTA in lead trans-port and accumulation by Indian mustard[J].Plant Physiol,1998,117:447-453.
[15]Bell P F,McLaughlin M J,Cozens G,et al.Plant uptake of 14C-EDTA,14C-Citrate,and14C-Histidine from chelator-buffered and conventional hydroponic solutions[J].Plant and Soil,2003,253:311-319.

Memo

Memo:
-
Last Update: 2014-08-24