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The succession of rhizosphere microbial community in the continuous cropping soil of tobacco

文献类型： 外文期刊

作者： Li, Guitong 1 ; Gong, Pengfei 2 ; Zhou, Jie 1 ; Wang, Lin 2 ; Song, Xin 3 ; Ding, Penghui 2 ; Jin, Yunfeng 2 ; Zhang, Yuzhen 1 ; Zhou, Xiaoqian 1 ; Yang, Jianming 1 ; Wang, Zhaobao 1 ; Yun, Long 2 ; Ren, Jie 4 ;

作者机构： 1.Qingdao Agr Univ, Coll Life Sci, Energy Rich Cpds Prod Photosynthet Carbon Fixat Re, Shandong Key Lab Appl Mycol, Qingdao, Peoples R China

2.Yanan Tobacco Grp Co Ltd, Yanan, Peoples R China

3.Jinxiang Cty Agr & Rural Bur, Jining, Peoples R China

4.Chinese Acad Agr Sci, Tobacco Res Inst, Qingdao, Peoples R China

关键词： tobacco; long-term continuous cropping; physicochemical properties; microbiota; correlation

期刊名称：FRONTIERS IN ENVIRONMENTAL SCIENCE （ 影响因子：4.6； 五年影响因子：5.3 ）

ISSN：

年卷期： 2024 年 11 卷

页码：

收录情况： SCI

摘要： Introduction: Flue-cured tobacco is an important economic crop that is not tolerant of continuous cropping and can be influenced by planting soil conditions including rhizosphere microbial communities and soil physicochemical properties. The relationship between rhizosphere microbial communities and soil physicochemical properties under continuous cropping conditions is unclear.Methods: This study investigated the succession of rhizosphere microbial community in continuous tobacco cropping soil for 1, 3, 5, 8, 10, 15, and 30 years. The physicochemical properties of the soil were measured, high-throughput sequencing was performed on the rhizosphere microbial community, and correlation analysis was conducted.Results: The results suggested that continuous cropping could significantly enrich soil available nitrogen, available phosphorus, available potassium, and organic matter. Meanwhile, the alpha diversity of the bacterial community was significantly reduced with continuous cropping, indicating significant changes in the structure of bacterial and fungal communities. Based on linear discriminant analysis effect size (LEfSe), 173 bacterial and 75 fungal genera were identified with significant differences. The bacterial genera, Sphingomonas, Streptomyces, and Microvirga, were significantly positively correlated with continuous cropping years. The fungal genera, Tausonia, Solicocozyma, Pseudomycohila, and Fusarium, also showed significant positive correlation with continuous cropping years. Meanwhile, the fungal genera, Olpidium, Cephaliophora, and Cercophora, presented an opposite correlation. However, there are differences in the correlation between these bacterial and fungal genera related to continuous cropping years and other different soil physicochemical properties.Discussion: In summary, this work could provide a reference for soil management and scientific fertilization of tobacco under continuous cropping conditions.

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