Skip to main content

Advertisement

Log in

Root rot alters the root-associated microbiome of field pea in commercial crop production systems

  • Regular Article
  • Published:
Plant and Soil Aims and scope Submit manuscript

Abstract

Background and aims

Pulses are important crops that have been used to diversify cropping rotations in the Canadian prairies. With increasing cultivation intensity, pulses are becoming more susceptible to root rots. Understanding how root-associated microbiomes are affected by plant health is vital for developing sustainable crop production systems.

Methods

In this study, we investigated the effect of root rot on rhizosphere and root microbiomes of healthy and root-rot infected field pea (Pisum sativum L.) plants from nine commercial fields in Saskatchewan using amplicon metagenomic sequencing.

Results

Bacterial and oomycete α-diversity was higher in diseased root and rhizosphere samples than their healthy counterparts, while fungal diversity was higher in diseased rhizosphere samples. The community structure of root and rhizosphere microbiomes were also affected by the health status of the plants, with root bacterial communities exhibiting the strongest differences. Healthy samples were associated with a higher relative abundance of Rhizobium, Olpidium and Mortierella, and lower abundance of Fusarium and Pythium. Diseased samples had a higher number of indicator genera (42 in diseased vs. 11 in healthy) and more taxa exclusively detected in the diseased core microbiome.

Conclusions

Results from this study revealed that root rot generally increased the diversity and altered the community structure and relative abundance of key taxa of the pea root-associated microbiome. This knowledge may aid in the development of microbiome-based disease management strategies, such as identification of key microbial taxa that could help commercial pea growers assess root rot risk.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4

Similar content being viewed by others

References

Download references

Acknowledgements

This work was financially supported by Agriculture and Agri-Food Canada and Agriculture Development Fund of the Saskatchewan Ministry of Agriculture. We would like to thank Keith Hanson and Lee Poppy for their logistical support.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Luke D. Bainard.

Additional information

Responsible Editor: Anna Maria Pirttila.

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Electronic Supplementary Material

ESM 1

(DOCX 17.2 KB)

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Hossain, Z., Hubbard, M., Gan, Y. et al. Root rot alters the root-associated microbiome of field pea in commercial crop production systems. Plant Soil 460, 593–607 (2021). https://doi.org/10.1007/s11104-020-04779-8

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11104-020-04779-8

Keywords

Navigation