| 二甲戊乐灵降解细菌的分离及降解特性 |
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| 引用本文： | 朱鲁生,林爱军,王军,程翠花.二甲戊乐灵降解细菌的分离及降解特性[J].环境科学,2005,26(1):145-149. |
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| 作者姓名： | 朱鲁生 林爱军 王军 程翠花 |
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| 作者单位： | 山东农业大学资源与环境学院,山东,泰安,271018;山东农业大学资源与环境学院,山东,泰安,271018;中国科学院生态环境研究中心土壤环境研究室,北京,100085;山东华阳集团环保科,山东,宁阳,271400 |
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| 基金项目： | 山东省优秀中青年科学家科研奖励基金(03BS123);山东农业大学博士后科研基金(22023)资助 |
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| 摘 要： | 分离鉴定了二甲戊乐灵降解细菌 ,并研究了培养条件对二甲戊乐灵降解和细菌生长的影响 .结果表明 ,所分离的29株细菌中有3株在3d内对100mg·L-1二甲戊乐灵的降解率在80%以上 ,选择HB-1、WB-12株细菌进一步研究 ,此2株细菌经鉴定分别属于假单胞菌(Pseudomonas)和玫瑰色微球菌(Mirococcusluteus) .结果表明 2株细菌在中性培养液中外加碳源浓度为0.2%、二甲戊乐灵浓度不大于100mg·L-1、30～40℃培养的条件下 ,细菌生长量和二甲戊乐灵的降解率都达到最大.
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| 关 键 词： | 二甲戊乐灵 细菌 降解 生长量 |
| 文章编号： | 0250-3301(2005)01-0145-05 |
| 收稿时间： | 2004/3/10 0:00:00 |
| 修稿时间： | 2004/6/22 0:00:00 |
Isolation and Degrading Characters of Pendimethalin Degrading Bacteria |
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| ZHU Lu-sheng,LIN Ai-jun,WANG Jun and CHENG Cui-hua.Isolation and Degrading Characters of Pendimethalin Degrading Bacteria[J].Chinese Journal of Environmental Science,2005,26(1):145-149. |
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| Authors: | ZHU Lu-sheng LIN Ai-jun WANG Jun and CHENG Cui-hua |
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| Institution: | College of Environment and Resources, Shandong Agricultural University, Shandong, Taian 271018, China. lushzhu@sdau.edu.cn |
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| Abstract: | Microbial degradation of pendimethalin and the effects of culture conditions in vitro are studied. Twenty-nine strains are isolated by enrichment from soil and sludge. 3 strains can degrade more than 80% of pendimethalin of 100 mg·L-1 in 3 days in culture fluid. 2 bacteria are considered as efficiently degrading strains identified as Pseudomonas,Mirococcus luteus. The efficiency of degradation is affected by culture conditions such as pH,temperature and the concentration of sucrose and pendimethanlin. The optimal conditions are proposed. |
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| Keywords: | pendimethalin bacteria degradation bacterial growth |
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