[1]侯文焕,赵艳红,唐兴富,等.除草剂莠去津残留对菜用黄麻土壤微生物的影响[J].黑龙江农业科学,2019,(04):46-49.[doi:10.11942/j.issn10022767.2019.04.0046]
　HOU Wenhuan,ZHAO Yanhong,TANG Xingfu,et al.Effects of Atrazine Residues on Soil Microorganisms in Vegetable Jute Field[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(04):46-49.[doi:10.11942/j.issn10022767.2019.04.0046]
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除草剂莠去津残留对菜用黄麻土壤微生物的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2019年04期 页码: 46-49 栏目: 出版日期: 2019-04-10
Title:
Effects of Atrazine Residues on Soil Microorganisms in Vegetable Jute Field
作者:
侯文焕; 赵艳红; 唐兴富; 廖小芳; 李初英
广西壮族自治区农业科学院 经济作物研究所，广西 南宁 530007
Author(s):
HOU Wenhuan; ZHAO Yanhong; TANG Xingfu; LIAO xiaofang; LI Chuying
Institute of Economic Crops,Guangxi Academy of Agricultural Sciences,Nanning 530007,China
关键词:
除草剂残留; 莠去津; 菜用黄麻; 土壤微生物
Keywords:
herbicide residues; atrazine; vegetables jute; soil microorganism
DOI:
10.11942/j.issn10022767.2019.04.0046
文献标志码:
A
摘要:
为明确除草剂莠去津残留对黄麻田生态系统中微生物数量动态变化的影响，以菜用黄麻土壤为研究对象，对盆栽菜用黄麻喷施不同浓度（0（CK)、0.2、0.6、1.0 mg·kg1）莠去津，在施用后1、4、7、10 d采集土壤样品，利用稀释平板法测定土壤中细菌、真菌、放线菌的数量。结果表明：土壤细菌数量在莠去津浓度相同时随处理时间的延长在浓度为0.2 mg·kg1时呈现激活的趋势，在浓度为0.6~1.0 mg·kg1时呈先激活后抑制的趋势，在时间相同时随浓度增加细菌数量波动抑制，在第10天抑制率最大，达40.98%；土壤真菌数量在浓度相同时随时间的延长呈现激活抑制激活的趋势，处理时间相同随浓度的增加在1、4 d时呈现激活抑制激活的趋势，第7天呈现激活抑制的趋势，在第10天抑制率最大，达37.93%；土壤放线菌数量在浓度相同时随时间延长呈现抑制激活抑制的趋势，在时间相同时随浓度的增加在1~4 d呈现先抑制后激活的趋势，在7~10 d呈现抑制激活抑制的趋势，在第7天抑制率最大达53.45%。由此可见莠去津残留对土壤中细菌、真菌、放线菌有一定的抑制作用，残留浓度越高对微生物的影响越显著，而且随着处理时间的延长抑制作用并未减弱。
Abstract:
In order to clear the effect of atrazine residue on dynamic change of microbial quantity in the vegetable jute field.Vegetable jute field used as experimental materials.The herbicide atrazine levels of 0 (CK),0.2,0.6,1.0 mg·kg1 were applied in potted vegetables jute.Soil samples were collected in 1,4,7 and 10 days respectively.The number of bacteria,fungi and actinomycetes in soil was determined by dilution plate method.The results showed that,at the same concentration as the processing time is extended the number of soil bacteria showed a tendency of activation in 0.2 mg·kg1.When the concentration was 0.61.0 mg·kg1,it showed a trend of activationinhibition.At the same days after spraying，with the increase of herbicide concentration the bacteria number showed fluctuation inhibition.The maximum inhibition rate of bacteria was 40.98% at 10 day.At the same concentration as the processing time is extended the number of soil fungi showed a tendency of activationinhibitionactivation.At the same concentration as the processing time is extended the number of soil actinomycetes showed a tendency of activationinhibitionactivation in 1 and 4 day,showed activationinhibition in 7 day.The maximum inhibition rate of fungi number was 37.93% in 10 day.At the same concentration as the processing time is extended the number of soil actinomycetes showed a tendency of inhibitionactivationinhibition.At the same concentration as the processing time is extended the number of soil actinomycetes showed a tendency of inhibitionactivation in 1 and 4 day,showed inhibitionactivationinhibition in 710 day.The maximum Inhibition rate of actinomycetes was 53.45% in 7 day.Therefore,atrazine residues can cause the inhibition of bacteria,fungi and actinomycetes in soil.The higher the residual concentration,the more significant effect on soil microorganism.The inhibition did’nt decrease with the extension of processing time.

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备注/Memo

收稿日期：20181113

基金项目：国家麻类产业技术体系建设专项资金（CARS16S15）；广西农业科学院基本科研业务专项（2015YT65）。
第一作者简介：侯文焕（1987），女，硕士，助理研究员，从事麻类作物育种与栽培研究。Email:houwenhuan1112@126.com。
通讯作者：李初英（1963），女，硕士，研究员，从事麻类作物育种与栽培研究等工作。Email:lcy6689@126.com。

更新日期/Last Update: 2019-05-09