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. 2024 Jun 19;14(1):14160.
doi: 10.1038/s41598-024-64735-9.

Rotation with other crops slow down the fungal process in tobacco-growing soil

Ming Liu #  1   2 , Rujun Xue #  3 , Chengwei Yang  1 , Ningbo Han  3 , Yanxia Hu  1 , Kaiyuan Gu  2 , Jie Zhao  2 , Shuyue Guan  2 , Jiaen Su  4 , Yonglei Jiang  5
Affiliations

Rotation with other crops slow down the fungal process in tobacco-growing soil

Ming Liu et al. Sci Rep. .

Abstract

Continuous cultivation of tobacco could cause serious soil health problems, which could cause bacterial soil to change to fungal soil. In order to study the diversity and richness of fungal community in tobacco-growing soil under different crop rotation, three treatments were set up in this study: CK (tobacco continuous cropping); B (barley-tobacco rotation cropping) and R (oilseed rape-tobacco rotation cropping). The results of this study showed that rotation with other crops significantly decreased the soil fungal OTUs, and also decreased the community richness, evenness, diversity and coverage of fungal communities. Among them, B decreased the most. In the analysis of the composition and structure of the fungal community, it was found that the proportion of plant pathogens Nectriaceae decreased from 19.67% in CK to 5.63% in B, which greatly reduced the possibility of soil-borne diseases. In the analysis of the correlation between soil environmental factors and fungal communities, it was found that Filobasidiaceae had a strong correlation with TP and AP, and Erysiphaceae had a strong correlation with TK and AK. NO3--N and NH4+-N were the two environmental factors with the strongest correlation with fungal communities. The results of this study showed that rotation with other crops slowed down the process of soil fungi in tobacco-growing soil and changed the dominant species of soil fungi community. At the same time, crop rotation changed the diversity and richness of soil fungal community by changing the physical and chemical properties of soil.

Keywords: Crop rotation; Fungal abundance; Fungal diversity; Soil fungi process; Tobacco-growing soil.

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Conflict of interest statement

Jiaen Su is employed by Dali Prefecture Branch of Yunnan Tobacco Company. We declare that we have no financial and personal relationships with other people or organizations that can inappropriately influence our work. There is no professional or other personal interest of any nature or kind in any product, service and/or company that could be construed as influencing the position presented in, or the review of, this manuscript.

Figures

Figure 1
Figure 1
Analysis of fungi alpha-diversity in tobacco-planting soil under different treatments.
Figure 2
Figure 2
Analysis of fungi Beta-diversity in tobacco-planting soil under different cropping systems.
Figure 3
Figure 3
Venn diagram analysis of fungal community composition in tobacco-growing soil under different treatments.
Figure 4
Figure 4
Analysis of fungal community composition in tobacco-growing soil under different treatments.
Figure 5
Figure 5
Analysis of fungal community differences in tobacco-growing soil under different treatments.
Figure 6
Figure 6
Relationship between species of soil fungi in different previous crops and tobacco-growing soil fungi.
Figure 7
Figure 7
Correlation analysis of tobacco-planting soil and soil environmental factors.
See this image and copyright information in PMC

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