|Table of Contents|

Effects of Diesel Oil Contamination on Growth of Festuca arundinacea and Medicago sativa

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年04
Page:
121-127
Research Field:
Publishing date:

Info

Title:
Effects of Diesel Oil Contamination on Growth of Festuca arundinacea and Medicago sativa
Author(s):
ZHAO Manxing; HE Zhihui; WANG Wenqiang; YANG Xuyan; WANG Yi; JIA Honghong
College of Life Sciences,Yan′an University,Yan′an,Shaanxi 716000
Keywords:
diesel contamination; Festuca arundinacea; Medicago sativa
PACS:
-
DOI:
10.11937/bfyy.20170774
Abstract:
In order to understand the phytoremediation mechanism if Festuca arundinacea and Medicago sativa in diesel oil contaminated soil.Soil contamination with varying diesel oil concentration were used for pot experiments.Treatments of the experiments were included non-contaminated soil(control),non-contaminated soil with 5,10,20,30,40 g?kg-1 of diesel oil,respectively.The results showed that diesel oil contamination soil inhibited Festuca arundinacea and Medicago sativa growth significantly；plant height,SPAD value,the dry matter of Festuca arundinacea and Medicago sativa decreased significantly with increasing of diesel oil contamination in soil compared with non-contaminated soil.The SPAD values of Festuca arundinacea were inhibited obviously compared with Medicago sativa.The removal ratio of Festuca arundinacea and Medicago sativa initially increased but then decreased with diesel oil concentration increased gradually.Low concentrations of diesel oil could promote growth,but the high concentration of diesel oil inhibited the growth of Festuca arundinacea and Medicago sativa.The highest removal ratio of tall fescue was found when the concentration was 30 g?kg-1,and the highest removal ratio of Festuca arundinacea were found when the concentration was 20 g?kg-1.

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Last Update: 2018-02-24