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Arbuscular mycorrhizal fungal species identity governs plant water content and soil aggregation improvements under wet-dry climate conditions

文献类型： 外文期刊

作者： Wang, Yan 1 ; Xing, Dan 1 ; Luo, Chao Bin 1 ; Zhang, Fang 1 ; Zhang, Cheng Ming 2 ;

作者机构： 1.Guizhou Acad Agr Sci, Inst Sericulture, Guiyang, Peoples R China

2.Hokkaido Univ, Res Fac Agr, Sapporo, Hokkaido, Japan

关键词： Arbuscular mycorrhizal fungus; Mulberry; Soil aggregation; Wetting-drying

期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：4.223； 五年影响因子：4.306 ）

ISSN： 0944-1344

年卷期： 2020 年 27 卷 30 期

页码：

收录情况： SCI

摘要： Our study aimed to uncover the functions of two species of arbuscular mycorrhizal fungi (AMF) in soil aggregation and plant water content regulation under wetting-drying climate conditions. The climatic characteristics of seasonal drought in karst areas were simulated. Two watering periods were established in a controlled greenhouse to compare the different effects of two genetically different AMF species (Funneliformis mosseaeandRhizophagus intraradices) on the water content of 90-day-old mulberry seedlings and on soil aggregates. Our results showed that inoculation with theRhizophagus intraradices(R.i) strain was more effective at improving mulberry growth performance thanFunneliformis mosseae(F.m) inoculation under semiarid conditions. The AMF remained highly infective and continuously increased the proportion of soil macroaggregates under soil drought stress. As a result, our study showed the potential of AMF to promote sustainable mulberry plantations and the rehabilitation of degraded soil in karst areas of southwestern China.

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