Crop rotation and native microbiome inoculation restore soil capacity to suppress a root disease

Yanyan Zhou, Zhen Yang, Jinguang Liu, Xudong Li, Xingxiang Wang, Chuanchao Dai, Taolin Zhang, Víctor J. Carrión, Zhong Wei, Fuliang Cao, Manuel Delgado-Baquerizo, Xiaogang Li* (Corresponding author)

*Corresponding author for this work

Research output: Contribution to journal/periodicalArticleScientificpeer-review

4 Citations (Scopus)

Abstract

It is widely known that some soils have strong levels of disease suppression and prevent the establishment of pathogens in the rhizosphere of plants. However, what soils are better suppressing disease, and how management can help us to boost disease suppression remain unclear. Here, we used field, greenhouse and laboratory experiments to investigate the effect of management (monocropping and rotation) on the capacity of rhizosphere microbiomes in suppressing peanut root rot disease. Compared with crop rotations, monocropping resulted in microbial assemblies that were less effective in suppressing root rot diseases. Further, the depletion of key rhizosphere taxa in monocropping, which were at a disadvantage in the competition for limited exudates resources, reduced capacity to protect plants against pathogen invasion. However, the supplementation of depleted strains restored rhizosphere resistance to pathogen. Taken together, our findings highlight the role of native soil microbes in fighting disease and supporting plant health, and indicate the potential of using microbial inocula to regenerate the natural capacity of soil to fight disease.

Original languageEnglish
Article number8126
JournalNature Communications
Volume14
Issue number1
DOIs
Publication statusPublished - 08 Dec 2023

Research theme

  • Sustainable water and land use

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