Microbial community changes in different underground compartments of potato affected yield and quality
文献类型： 外文期刊
作者： Chen, Guixian 1 ; Wu, Chuanfa 2 ; Wang, Fang 3 ; Lyu, Haohao 4 ; Lu, Yuwen 2 ; Yan, Chengqi 3 ; Chen, Jianping 2 ; Deng, Yangwu 1 ; Ge, Tida 2 ;
作者机构： 1.Jiangxi Univ Sci & Technol, Sch Resources & Environm Engn, Ganzhou 341000, Jiangxi, Peoples R China
2.Ningbo Univ, Inst Plant Virol, State Key Lab Managing Biot & Chem Threats Qual &, Ningbo 315211, Peoples R China
3.Ningbo Acad Agr Sci, Inst Biotechnol, Ningbo 315040, Peoples R China
4.Zhejiang Acad Agr Sci, Inst Environm Resources & Soil Fertilizer, Hangzhou 310021, Zhejiang, Peoples R China
5.Zhejiang Biochar Engn Technol Res Ctr, Hangzhou 310021, Zhejiang, Peoples R China
关键词： Belowground microbe; Niche compartment; Potato productivity; Soil physicochemical property
期刊名称：3 BIOTECH （ 影响因子：2.893； 五年影响因子：3.446 ）
ISSN： 2190-572X
年卷期： 2022 年 12 卷 5 期
页码：
收录情况： SCI
摘要： Soil microbial communities are critical to plant health and productivity. Crop-associated microbial diversity may exhibit spatial specificity across regions and soil compartments. However, we lack sound evidence for the impact of variation in soil microbial diversity on plant productivity caused by regional differences. The main aims of this study are to explore the structure and functionality of the belowground (potato tuber surface and rhizosphere) microbial communities in three compartments and assess whether these communities contribute to potato productivity. Significant differences in alpha and beta diversities of belowground microbiota were detected in different compartments and regions, mainly due to differences in available soil nutrients and pH. Changes to microbial diversity between bulk soil and rhizosphere or tuber surface soil were significantly negatively correlated with potato yield and nutrient content and positively correlated with starch content. We further found some bacterial (Mucilaginibacter, Dokdonella, and Salinispora) and fungal (Solicoccozyma, Scytalidium, and Humicola) genera closely associated with potato yield and quality. Aggregated boosted tree prediction revealed that soil physicochemical properties and microbial diversity of tuber surface soil contributed more to potato yield; tuber surface soil bacterial contributed more to potato starch and nutrient content. Our findings provide experimental evidence that the significant differences in soil microbial diversity and specific microbial taxa enrichment may potentially influence crop productivity under soil physicochemical property change scenarios in the agricultural ecosystem.
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