The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes

Abstract The application of biochar and plant‐growth‐promoting bacteria (PGPBs) in biocontrol soil‐borne pathogens has garnered worldwide interest recently. However, how agricultural replanting disease is alleviated by a combination of biochar and PGPBs treatment (SYBB) remains largely unexplored. I...

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Autores principales:	Hongmiao Wu, Huiming Wu, Yanyang Jiao, Zhongyi Zhang, Christopher Rensing, Wenxiong Lin
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2022
Materias:	allelopathy consecutive monoculture rhizosphere microbiome soil sickness Renewable energy sources TJ807-830 Energy industries. Energy policy. Fuel trade HD9502-9502.5
Acceso en línea:	https://doaj.org/article/3d7a23786c884c288783e22abe2b9492
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spelling	oai:doaj.org-article:3d7a23786c884c288783e22abe2b94922021-12-04T04:51:19ZThe combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes1757-17071757-169310.1111/gcbb.12906https://doaj.org/article/3d7a23786c884c288783e22abe2b94922022-01-01T00:00:00Zhttps://doi.org/10.1111/gcbb.12906https://doaj.org/toc/1757-1693https://doaj.org/toc/1757-1707Abstract The application of biochar and plant‐growth‐promoting bacteria (PGPBs) in biocontrol soil‐borne pathogens has garnered worldwide interest recently. However, how agricultural replanting disease is alleviated by a combination of biochar and PGPBs treatment (SYBB) remains largely unexplored. In this study, we investigated the beneficial effects of single biochar addition and the combination of biochar and PGPBs on alleviating replanting disease by altering the rhizosphere microbiome and metabolites. Our field experiment showed that the SYBB treatment had a better alleviating effect on replanting disease than the single biochar addition. The study indicated the dominant effect of deterministic processes on the bacterial community and of stochastic processes on the fungal community under biochar and PGPBs treatment. The combination of biochar and PGPBs tended to convert the stochastic processes of fungal community assembly into deterministic processes. We found SYBB treatment increased the abundance of potentially beneficial Pseudomonas, Lysobacter, Gemmatimonadetes and Nitrospira, and decreasing the abundance of potentially pathogenic Fusarium, Talaromyces and Fusarium oxysporum. Moreover, the SYBB treatment increased the abundances of carbohydrates, fatty acids and plant hormones, and decreased the abundances of amino acids in the rhizosphere soil. Co‐occurrence network analysis indicated that SYBB treatment increased the connections within the microbial communities and drove the alteration of co‐occurrence network among the microbial communities and metabolites, which increased positive correlations in bacteria‐metabolite networks and decreased positive correlations in fungi‐metabolite networks. Spearman correlation analysis showed the abundances of beneficial Streptomyces, Pseudomonas and Lysobacter were significantly and positively correlated to the metabolites most increased under SYBB treatment. The combination of biochar and PGPBs alleviated replanting disease by mediating the change of rhizosphere soil metabolites, and stimulating the proliferation of indigenous and beneficial soil microbes. The research results are intended to provide the basis for new strategies for green and sustainable remediation of soil‐borne pathogens.Hongmiao WuHuiming WuYanyang JiaoZhongyi ZhangChristopher RensingWenxiong LinWileyarticleallelopathyconsecutive monoculturerhizosphere microbiomesoil sicknessRenewable energy sourcesTJ807-830Energy industries. Energy policy. Fuel tradeHD9502-9502.5ENGCB Bioenergy, Vol 14, Iss 1, Pp 84-103 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	allelopathy consecutive monoculture rhizosphere microbiome soil sickness Renewable energy sources TJ807-830 Energy industries. Energy policy. Fuel trade HD9502-9502.5
spellingShingle	allelopathy consecutive monoculture rhizosphere microbiome soil sickness Renewable energy sources TJ807-830 Energy industries. Energy policy. Fuel trade HD9502-9502.5 Hongmiao Wu Huiming Wu Yanyang Jiao Zhongyi Zhang Christopher Rensing Wenxiong Lin The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes
description	Abstract The application of biochar and plant‐growth‐promoting bacteria (PGPBs) in biocontrol soil‐borne pathogens has garnered worldwide interest recently. However, how agricultural replanting disease is alleviated by a combination of biochar and PGPBs treatment (SYBB) remains largely unexplored. In this study, we investigated the beneficial effects of single biochar addition and the combination of biochar and PGPBs on alleviating replanting disease by altering the rhizosphere microbiome and metabolites. Our field experiment showed that the SYBB treatment had a better alleviating effect on replanting disease than the single biochar addition. The study indicated the dominant effect of deterministic processes on the bacterial community and of stochastic processes on the fungal community under biochar and PGPBs treatment. The combination of biochar and PGPBs tended to convert the stochastic processes of fungal community assembly into deterministic processes. We found SYBB treatment increased the abundance of potentially beneficial Pseudomonas, Lysobacter, Gemmatimonadetes and Nitrospira, and decreasing the abundance of potentially pathogenic Fusarium, Talaromyces and Fusarium oxysporum. Moreover, the SYBB treatment increased the abundances of carbohydrates, fatty acids and plant hormones, and decreased the abundances of amino acids in the rhizosphere soil. Co‐occurrence network analysis indicated that SYBB treatment increased the connections within the microbial communities and drove the alteration of co‐occurrence network among the microbial communities and metabolites, which increased positive correlations in bacteria‐metabolite networks and decreased positive correlations in fungi‐metabolite networks. Spearman correlation analysis showed the abundances of beneficial Streptomyces, Pseudomonas and Lysobacter were significantly and positively correlated to the metabolites most increased under SYBB treatment. The combination of biochar and PGPBs alleviated replanting disease by mediating the change of rhizosphere soil metabolites, and stimulating the proliferation of indigenous and beneficial soil microbes. The research results are intended to provide the basis for new strategies for green and sustainable remediation of soil‐borne pathogens.
format	article
author	Hongmiao Wu Huiming Wu Yanyang Jiao Zhongyi Zhang Christopher Rensing Wenxiong Lin
author_facet	Hongmiao Wu Huiming Wu Yanyang Jiao Zhongyi Zhang Christopher Rensing Wenxiong Lin
author_sort	Hongmiao Wu
title	The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes
title_short	The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes
title_full	The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes
title_fullStr	The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes
title_full_unstemmed	The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes
title_sort	combination of biochar and pgpbs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes
publisher	Wiley
publishDate	2022
url	https://doaj.org/article/3d7a23786c884c288783e22abe2b9492
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The combination of biochar and PGPBs stimulates the differentiation in rhizosphere soil microbiome and metabolites to suppress soil‐borne pathogens under consecutive monoculture regimes

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