Abstract
Green manures are usually used to improve soil health and increase crop productivity. The activity and composition of the soil microbial community could be altered by green manures. High-throughput amplicon sequencing was used to assess the effects of green manures of wheat (Triticum aestivum) and Indian mustard (Brassica juncea) on the rhizosphere fungal community composition of cucumber (Cucumis sativus L). Results showed that green manures of wheat and Indian mustard altered the composition but not the diversity of rhizosphere fungal communities of cucumber Contents of inorganic N, Olsen P, and available K in bulk soil decreased by green manure treatments. Ascomycota, Zygomycota, and Basidiomycota were the predominant phyla in soil, and their relative abundance changed after treatment with wheat and Indian mustard. The relative abundance of Basidiomycota was increased in the green manure of wheat, while that of Zygomycota was decreased in the green manure of Indian mustard. The relative abundance of Ascomycota increased in both wheat and Indian mustard. Green manures of wheat and Indian mustard also increased the relative abundances of unclassified Sordariomycetes and Fusarium spp., whereas they decreased the relative abundances of Pseudallescheria, Mortierella, Kernia, and unclassified Chaetomiaceae spp. Compared with other treatments, green manures of wheat increased the relative abundance of Waitea sp. and decreased the relative abundance of Cephaliophora sp. Indian mustard increased the relative abundance of Humicola sp.
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This study was funded by the National Natural Science Foundation of China (32072655, 32272792) and China Agriculture Research System of MOF and MARA (CARS-23-B-10).
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ZX conceived and designed the experiment, conducted the experiment, and analyzed the data. WY wrote the paper.
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All of the authors of the manuscript entitled “Effects of Green Manures on Perfecting Fungal Community Composition of Rhizosphere Soil of Cucumber Seedlings” declared that we have no conflict of interest to this work. We declare that we do not have any commercial or any other associative interest that represents a conflict of interest in connection with the work submitted. This article does not contain any studies with human participants or animals performed by any of the authors.
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Wang, Y., Zhou, X. Effects of Green Manures on Rhizosphere Fungal Community Composition of Cucumber Seedlings. Curr Microbiol 80, 87 (2023). https://doi.org/10.1007/s00284-023-03199-y
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DOI: https://doi.org/10.1007/s00284-023-03199-y