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Landscape Composition and Soil Physical-Chemical Properties Drive the Assemblages of Bacteria and Fungi in Conventional Vegetable Fields

文献类型： 外文期刊

作者： Kumar, Uttam 1 ; Saqib, Hafiz Sohaib Ahmed 1 ; Islam, Waqar 5 ; Prashant, Parmar 1 ; Patel, Nidhibahen 1 ; Chen, Wei 1 ; Yang, Feiying 1 ; You, Minsheng 1 ; He, Weiyi 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Inst Appl Ecol, State Key Lab Ecol Pest Control Fujian & Taiwan C, Fuzhou 350002, Peoples R China

2.Minist Educ, Joint Int Res Lab Ecol Pest Control, Fuzhou 350002, Peoples R China

3.Fujian Agr & Forestry Univ, Ministerial & Prov Joint Innovat Ctr Safety Prod, Fuzhou 350002, Peoples R China

4.Shantou Univ, Coll Sci, Guangdong Prov Key Lab Marine Biol, Shantou 515063, Peoples R China

5.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Xinjiang Key Lab Desert Plant Roots Ecol & Vegeta, Urumqi 830011, Peoples R China

6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

7.Jiangxi Acad Agr Sci, Inst Hort Sci, Nanchang 330200, Jiangxi, Peoples R China

关键词： agroecosystem; microbiome; high throughput sequencing; rhizosphere; soil-microbe interactions

期刊名称：MICROORGANISMS （ 影响因子：4.926； 五年影响因子：5.143 ）

ISSN：

年卷期： 2022 年 10 卷 6 期

页码：

收录情况： SCI

摘要： The soil microbiome is crucial for improving the services and functioning of agroecosystems. Numerous studies have demonstrated the potential of soil physical-chemical properties in driving the belowground microbial assemblages in different agroecosystems. However, not much is known about the assemblage of bacteria and fungi in response to soil physical-chemical properties and the surrounding landscape composition in different vegetable fields of a highly intensive agricultural system. Here, we investigated the effects of soil physical-chemical properties and landscape composition on the community trends of bacteria and fungi in two different soil compartments (bulk and rhizospheric soils) of two different brassica crop types (Chinese cabbage and flower cabbage). The results revealed that bulk soil had a higher alpha diversity of both bacteria and fungi than rhizospheric soil. Each of the soil physical-chemical properties and landscape compositions contributed differently to driving the community structure of distinct bacterial and fungal taxa in both soil compartments and crop types. The higher proportions of forest, grassland, and cultivated land, along with the higher amount of soil calcium in flower cabbage fields, promote the assemblage of Gammaproteobacteria, Actinobacteria, Oxyophotobacteria, Agaricomycetes, and Eurotiomycetes. On the other hand, in Chinese cabbage fields, the increased amounts of iron, zinc, and manganese in the soil together with higher proportions of non-brassica crops in the surrounding landscape strongly support the assemblage of Deltaproteobacteria, Gemmatimonadetes, Bacilli, Clostridia, Alphaproteobacteria, an unknown bacterial species Subgroup-6, Mortierellomycetes, Rhizophlyctidomycetes, and Chytridiomycetes. The findings of this study provide the most comprehensive, comparative, and novel insights related to the bacterial and fungal responses in a highly intensive vegetable growing system for the improvement of the soil fertility and structure. These are important clues for the identification of key bacteria and fungi contributing to the plant-environment interactions and are of a practical significance for landscape-based ecological pest management.

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