[1]刘峥宇,王根林,时妍.异噁草松残留对土壤微生物多样性及酶活性的影响[J].黑龙江农业科学,2023,(01):1-7.[doi:10.11942/j.issn1002-2767.2023.01.0001]
　LIU Zhengyu,WANG Genlin,SHI Yan.Effects of Isooxadiazon Residue on, Soil Microbial Diversity and Enzyme Activities[J].HEILONGJIANG AGRICULTURAL SCIENCES,2023,(01):1-7.[doi:10.11942/j.issn1002-2767.2023.01.0001]
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异噁草松残留对土壤微生物多样性及酶活性的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2023年01 页码: 1-7 栏目: 出版日期: 2023-01-10
Title:
Effects of Isooxadiazon Residue on, Soil Microbial Diversity and Enzyme Activities
作者:
刘峥宇1; 王根林2; 时妍3
1.黑龙江北大荒现代农业服务集团有限公司 宝泉岭分公司，黑龙江 佳木斯 154211; 2.黑龙江省农业科学院 行政保卫处，黑龙江 哈尔滨 150086； 3.黑龙江省绥滨农场，黑龙江 鹤岗 156299
Author(s):
LIU Zhengyu1;  WANG Genlin2;  SHI Yan3
1.Bao Quanling Branch，Heilongjiang Beidahuang Modern Agricultural Service Limited Company， Jiamusi 154211，China; 2.Administrative Security Department， Heilongjiang Academy of Agricultural Sciences， Harbin 150086， China; 3.Heilongjiang Suibin Farm， Hegang 156299， China
关键词:
除草剂残留; 异噁草松; 微生物多样性
Keywords:
herbicide residue;  clomazone;  microbial diversity
DOI:
10.11942/j.issn1002-2767.2023.01.0001
文献标志码:
A
摘要:
为促进农田土壤合理施用除草剂，采用盆栽试验，研究不同异噁草松残留量对土壤微生物多样性及酶活性的影响。结果表明，在作物受药害表现期，异噁草松残留量≤0.12 mg·kg-1对土壤微生物OTU丰度没有显著影响，0.24~0.96 mg·kg-1的异噁草松残留量均增加了细菌和真菌OTU丰度；异噁草松残留对细菌群落结构改变较大，与真菌相比，细菌对异噁草松残留更加敏感；低浓度异噁草松残留显著增加了变形菌门中β-变形菌的丰度，而高浓度残留显著增加了γ-变形菌的丰度；随异噁草松土壤残留量的增加，玉米生长受抑制，但土壤过氧化氢酶、脲酶活性表现为增强趋势，土壤全氮、碱解氮、速效钾和有机质含量呈先降低后增加的变化趋势。
Abstract:
In order to promote the rational application of herbicides in farmland soil， a pot experiment was set to study the effects of clomazone residues on soil microbial diversity and related indicators. The results showed that low-concentration clomazone residues(≤0.12 mg·kg-1) had no significant effect on soil microbial OUT abundance， while the medium and high concentration residues（from 0.24 mg·kg-1 to 0.96 mg·kg-1） increased the abundance of bacteria and fungi. Compared with fungi community structure， the bacterial community structure was changed significantly by clomazone residues， which meant bacteria was more sensitive to clomazone residues. Low concentrations of clomazone residues significantly increased the abundance of β-proteobacteria in the phylum proteobacteria， while high-concentration significantly increased the abundance of γ-proteobacteria. Catalase and urease activity showed an increasing trend with the increase of clomazone residues， while soil total nitrogen and alkali-hydrolyzable nitrogen and organic matter content decreased first and then increased. The research will provide a scientific basis for the rational application of herbicides to farmland soil and safety evaluation in the future.

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备注/Memo

收稿日期：2022-10-24

基金项目：国家重点研发计划（2022YFD1500305）；黑龙江省产业协同技术体系课题（20190506）。
第一作者：刘峥宇（1988-），男，硕士，农艺师，从事农业技术推广。E-mail:120005171@qq.com。
通信作者：时妍（1989-），女，学士，高级工程师，从事土壤耕作与栽培技术研究。E-mail:sbnjk@126.com。

更新日期/Last Update: 2023-01-15