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STUIDES ON DEGRADATION CHARACTERISTICS OF CHLORIMURON-ETHYL BY BACILLUS SUBTILIS STRAIN D-6

文献类型: 外文期刊

作者: Dai, Yingjie 1 ; Zhang, Binbin 2 ; Ji, Yan 3 ; Li, Xuezhan 4 ; Lv, Dianqiu 4 ; Bai, Yanju 4 ;

作者机构: 1.Northeast Agr Univ, Coll Resources & Environm, Harbin 150030, Peoples R China

2.Northeast Agr Univ, Chinese Minist Educ, Key Lab Soybean Biol, Harbin 150030, Peoples R China

3.Nankai Univ, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China

4.Heilongjiang Acad Agr Sci, Virus Free Seeding Res Inst, Harbin 150010, Peoples R China

关键词: Chlorimuron-ethyl;Bacillus subtilis strain;Isolation and screening;Degradation

期刊名称:FRESENIUS ENVIRONMENTAL BULLETIN ( 影响因子:0.489; 五年影响因子:0.479 )

ISSN: 1018-4619

年卷期: 2016 年 25 卷 12 期

页码:

收录情况: SCI

摘要: The chlorimuron-ethyl-degrading strain D-6 was isolated from contaminated soil and identified by 16S rRNA gene sequencing as Bacillus subtilis under laboratory conditions. When chlorimuron-ethyl was provided as the sole nitrogen source, the degradation efficiency in liquid medium was about 90.5% after 3 days of inoculation with strain D-6. The effects of chlorimuron-ethyl concentration, degradation time, and temperature on biode-gradation were examined. The optimal conditions of chlorimuron-ethyl degradation by D-6 were chlorimuron-ethyl 300 mg/L, NH4NO3 1 g/L, at 30 degrees C, pH7.0 and 3 days.

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