|Table of Contents|

Accumulation of Four Heavy Metals in Ten Species of Flower Shrubs in Beijing Road Green Space

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年13
Page:
87-93
Research Field:
Publishing date:

Info

Title:
Accumulation of Four Heavy Metals in Ten Species of Flower Shrubs in Beijing Road Green Space
Author(s):
TANG Min; ZHANG Xin; WANG Meixian
(Beijing Urban and Rural Ecological Environment Laboratory，Beijing Key Laboratory of Flower Germplasm Innovation and Breeding，National Engineering Research Center for Floriculture，College of Landscape Architecture，Beijing Forestry University，Beijing 100083)
Keywords:
Beijing; road green space; heavy metal; flower shrub; enrichment factor
PACS:
-
DOI:
10.11937/bfyy.20190185
Abstract:
The contents of Cd，Pb，Zn and Cu in the annual or biennial branches，leaves and soils of 10 flower shrubs were determined by ICP-AES.The heavy metal enrichment coefficient of 10 flower shrubs was evaluated and analyzed,in order to provide theoretical basis for garden plants to repair heavy metal contaminated soil.The results showed that the contents of heavy metals in the same flower shrubs were Zn>Cu>Pb>Cd.The enrichment of Cd and Cu in the same flower shrubs organs were leaves>branches，while Pb and Zn were branches>leaves.The enrichment coefficients of different heavy metals in flower shrubs were different.The average enrichment coefficient of zinc was the highest，which was 0.50.The average enrichment coefficient of Cd，Pb and Cu were lower and similar，less than 0.25.The single enrichment coefficients of Cd，Pb，Zn and Cu in Hibiscus syriacus，Rosa chinensis，Syringa oblata and Amygdalus triloba were significantly higher than those in other flower shrubs (P<0.05).From the comprehensive enrichment coefficient，Syringa oblata had the strongest enrichment ability for four heavy metals.The results provided scientific basis and reference for pollution control and plant species selection in Beijing road green space or other sites.

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Last Update: 2019-08-02