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Soil microarthropod effects on plant growth and development

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Abstract

Background

Soil microarthropods influence many soil processes that support plant growth and development.

Scope

In this paper we review the current understanding of direct microarthropod-plant interactions, how microarthropod-microbe interactions indirectly impact plant growth, and key areas for future study.

Conclusion

Microarthropod impacts on plants are primarily routed through their interactions with microbial communities, mediating organic matter decomposition, nutrient cycling and allocation, and plant-pathogen dynamics in soils. The research investigating how microarthropod-saprotrophic microbe interactions affect plants through decomposition and nutrient cycling indicates a generally positive relationship, though this relationship is influenced by the overall diversity or species richness observed in the microarthropod communities. The effects of microarthropod-plant symbionts interactions on plants are varied and there is no clear benefit or detriment to plants via this mechanism. The effects of microarthropod-plant pathogen interactions on plants suggest that, in most cases, microarthropods will reduce disease incidence and severity. The limited diversity of the study taxa in this area of research is a major limitation to our understanding of how microarthropods impact plant health. Our review revealed that while much is known about microarthropod impacts on the intermediate processes that influence plants, only a subset of studies have quantified plant responses to microarthropod activity. Overall, existing evidence indicates that the overall effects of microarthropods on plants is positive. Future research should aim to incorporate more plant metrics and consider both microarthropod and microbial community dynamics in designed and observational studies.

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Acknowledgements

The authors would like to thank Dr. Thomas Björkman for his review of this manuscript prior to submission.

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Authors

Contributions

Ashley Jernigan conducted the literature search and wrote the first draft of the manuscript. Kyle Wickings critically revised the work. All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Ashley Jernigan.

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The authors have no relevant financial or non-financial interests to disclose.

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Responsible Editor: Luca Bragazza.

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Jernigan, A., Kao-Kniffin, J., Pethybridge, S. et al. Soil microarthropod effects on plant growth and development. Plant Soil 483, 27–45 (2023). https://doi.org/10.1007/s11104-022-05766-x

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  • DOI: https://doi.org/10.1007/s11104-022-05766-x

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