Skip to main content

Advertisement

Log in

Climate change induced drought impacts on plant diseases in New Zealand

  • Review
  • Published:
Australasian Plant Pathology Aims and scope Submit manuscript

Abstract

Climate change is expected to increase the frequency and duration of drought in many parts of New Zealand. This may affect the natural lifecycles of plant pathogens, influence host predisposition to infection or disease expression, shift the natural ranges of the pathogens, and alter the rate of genetic change in pathogen populations. Collectively, these influences are likely to affect a range of pathosystems of significant economic importance to New Zealand’s productive sectors. We undertook analyses of potential drought impacts on several diseases of plants important to New Zealand: pea root rot (caused by Aphanomyces euteiches), onion white rot (Sclerotium cepivorum), wheat take-all (Gaeumannomyces graminis var. tritici), wheat crown rot (Fusarium spp.), brassica black leg (Leptosphaeria maculans), grapevine black foot (Ilyonectria/Dactylonectria spp.), kiwifruit sclerotinia rot (Sclerotinia sclerotiorum), and radiata pine red needle cast (Phytophthora pluvialis). For most pathosystems, increased drought is expected to increase disease expression. However, drought may reduce the severity of some diseases, such as Scelerotina rot of kiwifruit and red needle cast of radiata pine. To exemplify how drought can affect different components of the host-pathogen-environment interaction, a case study on red needle cast of radiata pine is presented. We recommend that land-based productive sectors need to better prepare for the deleterious impacts or beneficial opportunities of increased drought for plant diseases in New Zealand.

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

Similar content being viewed by others

References

Download references

Acknowledgments

Funding for this study was provided by New Zealand Ministry for Primary Industries through the Sustainable Land Management and Climate Change (SLMACC) Research Programme (Microbial function and adaptation in response to climate change driven drought and the resulting effects on plant production and nutrient cycling). The authors wish to thank the reviewers and editorial staff for their constructive comments on an earlier draft of this manuscript.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Steven A Wakelin.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Wakelin, S.A., Gomez-Gallego, M., Jones, E. et al. Climate change induced drought impacts on plant diseases in New Zealand. Australasian Plant Pathol. 47, 101–114 (2018). https://doi.org/10.1007/s13313-018-0541-4

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s13313-018-0541-4

Keywords

Navigation