Effects of Arbuscular Mycorrhizal Fungi Communities on Soil Quality and the Growth of Cucumber Seedlings in a Greenhouse Soil of Continuously Planting Cucumber

LI Yan; CHEN Ying-Long; LI Min; LIN Xian-Gui; LIU Run-Jin

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Effects of Arbuscular Mycorrhizal Fungi Communities on Soil Quality and the Growth of Cucumber Seedlings in a Greenhouse Soil of Continuously Planting Cucumber

机译：丛枝菌根真菌群落对连作黄瓜温室土壤质量及黄瓜幼苗生长的影响

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A pot experiment was performed to determine the effects of arbuscular mycorrhizal fungi (AMF) communities on soil properties and the growth of cucumber seedlings in a degraded soil that had been used for continuous cucumber monoculture in a greenhouse for 15 years.In the experiment,AMF communities (created by combining various AMF species that were found to be dominant in natural farm soil) were inoculated into the degraded soil,and then the soil was planted with cucumber.Inoculation with AMF communities did not affect soil pH but increased soil aggregate stability and decreased the concentrations of salt ions and electrical conductivity (EC) in the soil.Inoculation with AMF communities increased the numbers of culturable bacteria and actinomycetes but reduced the number of fungi. AMF communities increased plant growth,soluble sugar content,chlorophyll content,and root activity compared to non-mycorrhizal or a single AMF species treatments. Improvements of soil quality and plant growth were greatest with the following two communities:Glomus etunicatum + G.mosseae + Gigaspora margarita + Acaulospora lacunosa and G.aggregatum + G.etunicatum +G.mosseae + G.versiforme + G.margarita + A.lacunosa.The results suggested that certain AMF communities could substantially improve the quality of degraded soil.

机译：进行盆栽试验以确定丛枝菌根真菌（AMF）群落对退化的土壤中土壤特性和黄瓜幼苗生长的影响，该土壤已在温室中进行连续黄瓜单一培养15年。将群落（通过结合在自然农场土壤中占优势的各种AMF物种创建）接种到退化的土壤中，然后在土壤中种植黄瓜。接种AMF群落不会影响土壤pH值，但会增加土壤团聚体的稳定性和降低了土壤中盐离子的浓度和电导率（EC）.AMF社区接种增加了可培养细菌和放线菌的数量，但减少了真菌的数量。与非菌根或单一AMF物种处理相比，AMF群落增加了植物的生长，可溶性糖含量，叶绿素含量和根系活性。在以下两个群落中，土壤质量和植物生长的改善最大：Glomus etunicatum + G.mosseae + Gigaspora margarita + Acaulospora lacunosa和G.aggregatum + G.etunicatum + G.mosseae + G.versiforme + G.margarita + A.结果表明，某些AMF群落可以显着改善退化土壤的质量。

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《土壤圈（英文版）》 |2012年第1期|79-87|共9页
作者
LI Yan; CHEN Ying-Long; LI Min; LIN Xian-Gui; LIU Run-Jin;
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Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao 266109(China);

School of Earth and Environment, The University of Western Australia, Perth 6009(Australia);

Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao 266109(China);

State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008(China);

Institute of Mycorrhizal Biotechnology, Qingdao Agricultural University, Qingdao 266109(China);

State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008(China);

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
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Effects of Arbuscular Mycorrhizal Fungi Communities on Soil Quality and the Growth of Cucumber Seedlings in a Greenhouse Soil of Continuously Planting Cucumber

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