Effects of soil management strategies based on different principles on soil microbial communities and the outcomes for plant health

IF 3.7 2区农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biological Control Pub Date : 2025-02-01 DOI:10.1016/j.biocontrol.2025.105708

Xing Zhou , Qian Zhang , Yuanyuan Yan , Jisong Qu , Jun Zhou , Jun Zhao , Jinbo Zhang , Zucong Cai , Chuanchao Dai , Xinqi Huang

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引用次数: 0

Abstract

Various soil management strategies based on chemical, physical, and biological principles are used to manipulate soil microbial communities to improve plant health. However, how the microbial communities that are altered by these strategies respond to pathogen invasion and contribute to plant health remains poorly understood. Here, we investigated the effects of representative chemical, physical, and biological strategies, namely, chemical fumigation (CF), heat disinfestation (HE), and reductive soil disinfestation (RSD), on soil microbial communities, pathogen invasion, and plant performance. Our results revealed a strong relationship between variations in soil microbial communities and their impact on pathogen inhibition and plant health under the different strategies. Physicochemical management effectively decreased the density of Fusarium oxysporum, thereby suppressing the outbreak of Fusarium wilt. However, these strategies also decreased fungal density, bacterial diversity, network complexity, and core microbiome stability, resulting in diminished pathogen resistance and the recurrence of plant disease upon pathogen reinoculation. In contrast, biological management was the most effective strategy for the suppression of pathogen invasion and the improvement of plant health. Biological management optimized the bacterial and core microbiomes, leading to increased bacterial diversity and stimulated the growth of potential disease-suppressive agents, which contributed to resistance to F. oxysporum invasion and consistently prompted plant health. Taken together, our results reveal that physicochemical (CF and HE) and biological strategies (RSD) contribute to plant health via different mechanisms. In addition, this study provides empirical evidence for the significant impact of biological management on the manipulation of the core microbiome and its critical role in plant health.

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来源期刊

Biological Control 生物-昆虫学

CiteScore

7.40

自引率

7.10%

发文量

220

审稿时长

63 days

期刊介绍： Biological control is an environmentally sound and effective means of reducing or mitigating pests and pest effects through the use of natural enemies. The aim of Biological Control is to promote this science and technology through publication of original research articles and reviews of research and theory. The journal devotes a section to reports on biotechnologies dealing with the elucidation and use of genes or gene products for the enhancement of biological control agents. The journal encompasses biological control of viral, microbial, nematode, insect, mite, weed, and vertebrate pests in agriculture, aquatic, forest, natural resource, stored product, and urban environments. Biological control of arthropod pests of human and domestic animals is also included. Ecological, molecular, and biotechnological approaches to the understanding of biological control are welcome.