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当前位置: 首页 > 文章 > 小白菜联合铜绿假单胞菌对田间铅污染土壤的修复 黑龙江农业科学 2013 (8) 32-36
Position: Home > Articles > Field Test of Bio-remediation of Lead Polluted Soil by Pseudomonas aeruginosa Strain M2 Combined with Pakchoi Heilongjiang Agricultural Sciences 2013 (8) 32-36

小白菜联合铜绿假单胞菌对田间铅污染土壤的修复

作  者：
金羽;曲娟娟;闫立龙;孙兴滨
单  位：
东北林业大学林学院;东北农业大学资源与环境学院
关键词：
小白菜;铜绿假单胞菌;Pb污染;生物修复
摘  要：
针对土壤中铅(Pb)污染的生物修复,在种植小白菜的田间Pb处理土壤中,接种1株耐Pb铜绿假单胞菌(Pseudomonas aeruginosa)M2菌株,研究其对小白菜吸收Pb的影响。结果表明:接种M2可以降低土壤Pb污染对小白菜生长的抑制作用,促进小白菜对土壤Pb的吸收,使接种组小白菜生物量和株高分别增加7%和12%,根际土壤Pb残留量降低7%左右;接种处理的土壤脲酶和转化酶活性在小白菜整个生长期内均较未接种组高。结合前期盆栽试验结果得出,接种耐铅铜绿假单胞菌M2,可以促进小白菜对Pb污染土壤的修复。
译  名：
Field Test of Bio-remediation of Lead Polluted Soil by Pseudomonas aeruginosa Strain M2 Combined with Pakchoi
作  者：
JIN Yu1,2,QU Juan-juan1,YAN Li-long1,SUN Xing-bin3(1.College of Resources and Environmental science,Northeast Agricultural University,Harbin 150030;2.School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin,Heilongjiang 150090;3.College of Forestry,Northeast Forestry University,Harbin,Heilongjiang 150040)
关键词：
pakchoi;Pseudomonas aeruginosa;Pb pollution;bio-remediation
摘  要：
For the bio-remediation of Pb pollution in soil,a strain of Pb tolerant bacterium,Pseudomonas aeruginosaM2was inoculated to field cultivated pakchoi and its effects on the lead absorption by pakchoi in Pb contaminated soil was investigated.The results showed that:M2vaccination could reduce the inhibition of soil Pb pollution on the growth of pakchoi and promote absorption of Pb in soil,the plant biomass and height were increased by 7%and 12%,respectively.At the same time,the soil Pb residual quantity in rhizosphere reduced about 7%compared with non-inoculated groups.Throughout the growth period of pakchoi,for the inoculated groups,the soil urease and invertase activities were increased.In conclusion,inoculating with Pb tolerant bacteriumPseudomonas aeruginosa M2to Pb polluted soil could promote the bio-remediation of Pb by pakchoi in soil.

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