|Table of Contents|

Study on the Tolerance of Veronica didyma Tenore to Lead(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年08
Page:
70-73
Research Field:
Publishing date:

Info

Title:
Study on the Tolerance of Veronica didyma Tenore to Lead
Author(s):
LI Geng-fei1 2; XU Cheng3
(1.Institute of Ecology，Guangxi Transportation Research Institute，Nanning,Guangxi 530007;2.Key Laboratory for Eco-environment of Multi-River Wetlands in Shaanxi Province，Weinan，Shannxi 714000;3.Department of Chemistry and Life Science，Weinan Teachers University，Weinan，Shannxi 714000)
Keywords:
Veronica didyma Tenore; lead contamination; tolerance
PACS:
S 688.9
DOI:
10.11937/bfyy.201508020
Abstract:
Taking Veronica didyma Tenore as material,by means of atomic absorption spectrometry,the influence of different Pb concentration on the growth and enrichment of Veronica didyma Tenore were investigated,in order to explore the value of Veronica didyma Tenore on remediation of lead in pollution area.The results showed that 5 g/L，15 g/L and 30 g/L concentrations of lead played a driving role on the growth of Veronica didyma Tenore，but 45 g/L concentrations of lead inhibited the growth of Veronica didyma Tenore.There were differences among the different organs of Veronica didyma Tenore on the absorption of lead.The root was the strongest to the accumulation of lead.In 60 g/L concentrations of lead，the value of accumulation of root was the highest，which was 470.82 mg/kg.The enrichment coefficients of Veronica didyma Tenore were less than 1 at different concentrations.

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Last Update: 2015-07-23