|本期目录/Table of Contents|

[1]金雷,成明根,孙斌,等.芽孢杆菌QC-13对咪唑乙烟酸污染土壤的生物修复[J].江苏农业科学,2015,43(06):300-303.
 Jing Lei,et al.Bioremediation of imazethapyr contaminated soil by Bacillus sp. QC-13[J].Jiangsu Agricultural Sciences,2015,43(06):300-303.
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芽孢杆菌QC-13对咪唑乙烟酸污染土壤的生物修复(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年06期
页码:
300-303
栏目:
资源与环境
出版日期:
2015-06-25

文章信息/Info

Title:
Bioremediation of imazethapyr contaminated soil by Bacillus sp. QC-13
作者:
金雷1 成明根1 孙斌1 刘慧涛2 孙纪全3 黄星1
1.南京农业大学生命科学学院,江苏南京 210095; 2.吉林省农业科学院,吉林长春 130013;
3.北京大学工学院包头研究院湿地工程技术研究所,内蒙古包头 014030
Author(s):
Jing Leiet al
关键词:
芽孢杆菌咪唑乙烟酸生物修复降解率玉米小麦
Keywords:
-
分类号:
S154.3
DOI:
-
文献标志码:
A
摘要:
在实验室条件下,研究了芽孢杆菌(Bacillus sp.)QC-13对咪唑乙烟酸污染土壤的生物修复作用。投加降解菌QC-13可显著提高咪唑乙烟酸在土壤中的降解速率。当咪唑乙烟酸浓度为50 mg/kg干土,且QC-13的接种量为108 CFU/g干土时,21 d后土壤中咪唑乙烟酸的降解率为66.2%,而对照土壤则为14.4%。咪唑乙烟酸的降解速率与接种量呈正相关,当接种量减少至105 CFU/g干土时,降解率降低至31.8%。菌株QC-13降解土壤中咪唑乙烟酸的最适温度为30 ℃,降解率于21 d可达62.7%;当土壤含水量为40%时,于21 d时咪唑乙烟酸的降解率为62.2%,且降解率随含水量的增加而降低。接种QC-13可不同程度缓解土壤中浓度为50、100 μg/kg干土的咪唑乙烟酸对玉米、小麦的生长抑制作用。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2014-07-10
基金项目: 江苏省科技支撑计划(编号:BE2011783);吉林省世界银行贷款农产品质量安全应用研究项目(编号:2011-Z17)。
作者简介:金雷(1987—),男,浙江金华人,硕士,主要从事环境微生物学研究。
通信作者:黄星,博士,主要从事环境微生物学研究。E-mail:huangxing@njau.edu.cn。
更新日期/Last Update: 2015-06-25