[1]胡佳月,张国强,韩小强,等.2株降解菌对土壤中二甲戊灵的降解效果[J].江苏农业学报,2017,(03):585-591.[doi:doi:10.3969/j.issn.1000-4440.2017.03.015]
　HU Jia-yue,ZHANG Guo-qiang,HAN Xiao-qiang,et al.Degradation effect of two bacterial strains on soil pendimethalin[J].,2017,(03):585-591.[doi:doi:10.3969/j.issn.1000-4440.2017.03.015]
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2株降解菌对土壤中二甲戊灵的降解效果()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年03期
页码:
585-591
栏目:
耕作栽培·资源环境
出版日期:
2017-06-30

文章信息/Info

Title:
Degradation effect of two bacterial strains on soil pendimethalin
作者:
胡佳月; 张国强; 韩小强; 杨德松
（1.石河子大学农学院/新疆绿洲农业病虫害治理与植保资源利用自治区普通高校重点实验室，新疆石河子832000）
Author(s):
HU Jia-yue; ZHANG Guo-qiang; HAN Xiao-qiang; YANG De-song
(1.College of Agronomy, Shihezi University/Key Laboratory at Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resource Utilization, Shihezi 832000, China)
关键词:
二甲戊灵; 降解菌; 生物修复
Keywords:
pendimethalin; degrading bacterium; bioremediation
分类号:
X592
DOI:
doi:10.3969/j.issn.1000-4440.2017.03.015
文献标志码:
A
摘要:
在实验室条件下，研究了细菌菌株JY-2和JY-5对二甲戊灵污染土壤的修复作用及其影响因素，并采用生物法进行验证。结果表明，二甲戊灵的降解率与接种量呈正相关，其中，当接种量为10%（0.6×109CFU/g）时，接种后15 d菌株JY-2和JY-5对土壤中200 mg/kg二甲戊灵的降解率分别达到6618%和6566%，低于此接种量时降解菌的降解作用较弱；土壤温度及含水量对菌株降解作用具有显著影响，最适土壤温度为30 ℃，最佳含水量为600 g/kg，在此条件下，菌株JY-2和JY-5对二甲戊灵的降解率分别为7325%和6707%；接种降解菌JY-2和JY-5可不同程度降解土壤中二甲戊灵，减轻二甲戊灵对玉米和棉花生长的抑制作用，具有一定的土壤修复作用。
Abstract:
JY-2 and JY-5, 2 strains of degrading bacterium, were taken as the tested strains to study the influencing factors of bioremediation of soil contaminated by pendimethalin, and the degradation effect was verified by biological method. A positive correlation was shown between the degradation rate and the inoculum size. The degradation rates of the 200 mg/kg pendimethalin by JY-2 and JY-5 at 0.6×109CFU/g 15 d post-inoculation were 66.18% and 65.66% respectively. The soil temperature and moisture affected the degradation obviously. Soil temperature at 30 ℃ and soil moisture of 600 g/kg generated the highest degradation rates of JY-2 and JY-5, 73.25% and 67.07%, respectively. Inoculation of JY-2 and JY-5 mitigated the growth inhibition of maize and cotton in soil contaminated by pendimethalin, indicative of a certain degree of soil remediation.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2016-11-27 基金项目：科技部国际合作项目（2015DFA11660）；国家科技支撑计划项目（2007BAC20B04） 作者简介：胡佳月（1993-），女，河北秦皇岛人，硕士研究生，研究方向为农药毒理学。(E-mail)924492541@qq.com 通讯作者：杨德松，(E-mail)yds_agr@shzu.edu.cn
更新日期/Last Update: 2017-06-29