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The pandemic strain of Austropuccinia psidii causes myrtle rust in New Zealand and Singapore

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Abstract

The myrtle rust pathogen, Austropuccinia psidii, was recently detected in New Zealand and Singapore. We used microsatellite markers to identify the strain of A. psidii that caused these incursions. Our results show that the pandemic strain of the pathogen caused outbreaks in both New Zealand and Singapore.

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Acknowledgements

This work is based on research partially supported by the Tree Protection Co-operative Programme (TPCP) and the National Research Foundation of South Africa (Grant specific unique reference numbers UID 78566 and UID 83924) and the DST-NRF Centre of Excellence in Tree Health Biotechnology (CTHB). The grant holders acknowledge that opinions, findings and conclusions or recommendations expressed in any publication generated by NRF supported research are that of the authors and that the NRF accepts no liability whatsoever in this regard. ARM acknowledges the University of Queensland Development Fellowships (UQFEL1718905) and support from the Department of the Environment and Energy under the Australian Biological Resources Study (grant number RG18-43). WHH and BJRA acknowledge the support from the Ministry for Primary Industries (MPI) Plant Health and Environment Laboratory and the MPI Myrtle Rust Response Team. We thank a Reviewer for their improvements to the final manuscript.

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Correspondence to A. R. McTaggart.

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du Plessis, E., Granados, G.M., Barnes, I. et al. The pandemic strain of Austropuccinia psidii causes myrtle rust in New Zealand and Singapore. Australasian Plant Pathol. 48, 253–256 (2019). https://doi.org/10.1007/s13313-019-0624-x

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  • DOI: https://doi.org/10.1007/s13313-019-0624-x

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