[1]张琼,陆銮眉,戴清霞,等.模拟酸雨对琯溪蜜柚土壤微生物和酶活性的影响[J].泉州师范学院学报,2018,(02):6-12.
 ZHANG Qiong,LU Luanmei,DAI Qingxia,et al.Microbial and Enzyme Activities of Soil of Citrus grandis(L.) Osbeck.cv.Guanximiyou with Simulated Acid Rain[J].,2018,(02):6-12.
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模拟酸雨对琯溪蜜柚土壤微生物和酶活性的影响()
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《泉州师范学院学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年02期
页码:
6-12
栏目:
生命科学
出版日期:
2018-04-15

文章信息/Info

Title:
Microbial and Enzyme Activities of Soil of Citrus grandis(L.) Osbeck.cv.Guanximiyou with Simulated Acid Rain
文章编号:
1009-8224(2018)02-0006-07
作者:
张琼陆銮眉戴清霞朱丽霞邹金梅朱旸卞阿娜何德宝
闽南师范大学 生物科学与技术学院,福建 漳州 363000
Author(s):
ZHANG QiongLU LuanmeiDAI QingxiaZHU LixiaZOU JinmeiZHU YangBIAN A'naHE Debao
School of Biological Sciences and Biotechnology,Minnan Normal University,Fujian 363000,China
关键词:
琯溪蜜柚 酸雨 土壤酶 土壤微生物
Keywords:
Citrus grandis(L.)Osbeck.cv.Guanximiyou acid rain soil enzyme soil microbe
分类号:
Q948.1; S666
文献标志码:
A
摘要:
为探讨酸雨对琯溪蜜柚土壤微生物和酶活性的影响,以琯溪蜜柚根际和非根际土壤为材料,采用对照(pH 5.6)、轻度酸雨(pH 4.5)、中度酸雨(pH 3.5)和重度酸雨(pH 2.5)4种处理,测定长时间(90d)处理后土壤三大类群微生物和土壤酶活性变化.结果表明:3种强度酸雨处理对根际和非根际土壤细菌的抑制效果有统计学意义(P<0.05),随着酸雨强度增加,抑制程度也增加; pH 4.5酸雨对根际真菌数量的影响没有统计学意义(P>0.05),而促进非根际土壤真菌生长,中度酸雨(pH 3.5)和重度酸雨(pH 2.5)胁迫对根际和非根际真菌数量抑制效果有统计学意义(P<0.05); pH 4.5处理对根际土壤放线菌数量的抑制效果没有统计学意义(P>0.05),而对非根际土壤放线菌的抑制效果有统计学意义(P<0.05),中重度酸雨胁迫显著抑制根际和非根际土壤放线菌数量; 由于根系活动影响,酸雨对非根际土壤微生物影响与根际相比更为明显; 根际和非根际土壤蔗糖酶活性随酸雨强度增加而逐渐降低; 酸雨处理对根际土壤脲酶活性的抑制有统计学意义(P<0.05); 高强度酸雨对琯溪蜜柚根际和非根际土壤多酚氧化酶活性的抑制有统计学意义(P<0.05).由此可知,酸雨对土壤微生物和土壤酶活性影响较为复杂,与胁迫强度、根际效应和微生物种类有关,重度酸雨对微生物和土壤酶活性抑制效应最为显著.
Abstract:
To determine the effects of acid rain on microbial and enzyme activities of soil ofCitrus grandis(L.)Osbeck.cv.Guanximiyou,potted plants of pomelo were treated with aserious of simulated acid rain(pH 4.5,pH 3.5,pH 2.5)and the contrast(pH 5.6).Itshowed that acid rain significantly inhibited rhizosphere bacteria and non-rhizospherebacteria.The inhibitory effect on bacteria increased with the decreasing pH of acid rain.pH4.5 acid rain did not significantly affect the fungi and actinomycetes in rhizosphere soil andsignificantly promoted non-rhizosphere fungi.pH 3.5 and 2.5 acid rain significantly inhibitedthe soil fungi and actinomycetes.The soil sucrase activity decreased with the decreasing pHof simulated acid rain.The rain acid significantly decreased the urease activity inrhizosphere soil and did not affect non-rhizosphere urease.pH 2.5 acid rain significantlyinhibited the polyphenol oxidase in rhizosphere and non-rhizosphere soil.It was foundthat the effect of acid rain on microbial and enzyme activities soil of C.grandis wascomplicated and the pH 2.5 acid rain had a major impact on soil active.

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备注/Memo

备注/Memo:
收稿日期:2017-01-05
作者简介:张琼(1980-),女,河南郑州人,讲师,博士,主要从事植物生态学研究.
基金项目:福建省科技厅自然科学基金青年创新基金(2016J05084); 福建省教育厅中青年教师教育科研项目(JA14193); 漳州市科技局自然基金(ZZ2016J01); 闽南师范大学博士科研启动项目(2006L21432)
更新日期/Last Update: 2018-04-15