|本期目录/Table of Contents|

[1]刘限,李安,高增贵,等.除草剂莠去津降解菌的筛选及降解效果[J].江苏农业科学,2018,46(22):286-290.
 Liu Xian,et al.Screening and degradation effect of atrazine-degrading bacteria[J].Jiangsu Agricultural Sciences,2018,46(22):286-290.
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除草剂莠去津降解菌的筛选及降解效果(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第22期
页码:
286-290
栏目:
资源与环境
出版日期:
2018-12-01

文章信息/Info

Title:
Screening and degradation effect of atrazine-degrading bacteria
作者:
刘限1 李安1 高增贵2 姚远2
1.沈阳农业大学生物科学技术学院,辽宁沈阳 110866; 2.沈阳农业大学植物保护学院,辽宁沈阳 110866
Author(s):
Liu Xianet al
关键词:
莠去津降解菌降解酶降解效果腐叶芽孢杆菌弗雷尼棒状杆菌
Keywords:
-
分类号:
S182
DOI:
-
文献标志码:
A
摘要:
除草剂莠去津超量或不正确使用对土壤环境、下茬作物、各种动物等都会产生不利的影响,而且莠去津的残效期比较长,不易被降解,因此,获得具有高效降解莠去津能力的细菌就显得非常重要。利用细菌培养基筛选技术对莠去津降解菌进行筛选,并研究细菌在培养基及土壤中对莠去津的降解效果。结果表明,通过筛选获得2株(N1和N34)对莠去津具有降解作用的细菌,Biolog微生物自动鉴定仪鉴定N1和N34分别为腐叶芽孢杆菌(Bacillus decisifrondis)、弗雷尼棒状杆菌(Corynebacterium freneyi)。在LB液体培养基中,2株细菌对莠去津都具有降解作用,96 h 时绝对降解率分别为62.34%、90.39%;在土壤中N34对莠去津的降解率无论在灭菌土壤还是未灭菌土壤中的绝对降解率都能达到60%以上。菌株N34中莠去津降解酶不是分泌型的,说明其主要是通过菌体生长利用代谢来降解莠去津的。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2017-07-04
基金项目:公益性行业(农业)科研专项(编号:201203098)。
作者简介:刘限(1970—),男,河北唐山人,博士,副教授,主要从事植物病害生物防治和杂草防除研究。E-mail:benz117309@sina.com.cn。
通信作者:姚远,硕士,副研究员,主要从事植物病害和除草剂研究。E-mail:yaoyuanjane9296@sina.com。
更新日期/Last Update: 2018-11-20