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Reduction of banana fusarium wilt associated with soil microbiome reconstruction through green manure intercropping

文献类型： 外文期刊

作者： Yang, Jinming 1 ; Duan, Yajie 1 ; Liu, Xinyue 1 ; Sun, Mingze 1 ; Wang, Yiming 1 ; Liu, Manyi 1 ; Zhu, Zhiqiang 1 ; Shen, Zongzhuan 2 ; Gao, Wei 1 ; Wang, Beibei 1 ; Chang, Chunrong 1 ; Li, Rong 2 ;

作者机构： 1.Hainan Univ, Coll Trop Crops, Hainan Key Lab Sustainable Utilizat Trop Bioresour, Haikou 570228, Peoples R China

2.Nanjing Agr Univ, Natl Engn Res Ctr Organ based Fertilizers, Jiangsu Collaborat Innovat Ctr Solid Organ Waste R, Jiangsu Prov Key Lab Solid Organ Waste Utilizat, Nanjing 210095, Peoples R China

3.Chinese Acad Trop Agr Sci, South Asia Trop Crops Res Inst, Zhanjiang 524091, Peoples R China

4.Hainan Univ, Coll Trop Crops, Haikou 570228, Peoples R China

关键词： Banana Fusarium wilt; Crop intercropping; Disease suppression; Microbiome community; Green manure

期刊名称：AGRICULTURE ECOSYSTEMS & ENVIRONMENT （ 影响因子：6.576； 五年影响因子：7.088 ）

ISSN： 0167-8809

年卷期： 2022 年 337 卷

页码：

收录情况： SCI

摘要： Fusarium wilt of banana, also known as Panama disease, caused by the pathogen Fusarium oxysporum f. sp. cubense tropical race4 (Foc4) is one of the most destructive diseases and currently threatens banana production around the world. In this study, pot and field experiments were conducted to assess the control effect of banana intercropping with five intercropping green manures (Crotalaria acicularis, Sesbania sesban, Melilotus officinalis, Vicia villosa and Trifolium repens) on banana Fusarium wilt in high disease incidence soil. The soil microbiome was analysed using the MiSeq Illumina sequencing platform. The results showed that compared with banana monoculture, five intercropping treatments significantly reduced the incidence of banana Fusarium wilt and decreased the richness and diversity of soil fungi, among which V. villosa and T. repens intercropping treatment showed greater effect in disease suppression than the other treatments. The abundance of Aspergillus was increased, while the number of culturable Fusarium oxysporum was decreased in all five intercropping treatments compared with the banana monoculture treatment. A structural equation model showed that the changes in soil organic matter and NH4+-N content caused by intercropping may play a key role in the change of the soil fungal community and the reduction of banana Fusarium wilt incidence. In summary, this study provides an approach to intercropping green manures to unravel the biological basis of the disease-suppressing microbiome in the context of agricultural practices and soil management.

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