Austropuccinia psidii on the move: survey based insights to its geographical distribution, host species, impacts and management in Australia

Laura Fernandez Winzer; Katherine Berthon; Angus Carnegie; Geoff Pegg; Michelle Leishman

doi:10.1007/s10530-018-1891-0

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Austropuccinia psidii on the move: survey based insights to its geographical distribution, host species, impacts and management in Australia

Journal article

Peer reviewed

Austropuccinia psidii on the move: survey based insights to its geographical distribution, host species, impacts and management in Australia

Laura Fernandez Winzer, Katherine Berthon, Angus Carnegie, Geoff Pegg and Michelle Leishman

Biological Invasions, Vol.21(4), pp.1215-1225

2019

DOI: https://doi.org/10.1007/s10530-018-1891-0

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https://doi.org/10.1007/s10530-018-1891-0(0123456789()View

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Abstract

Ecology

Invasive species

Puccinia psidii

Plant pathogen

Myrtaceae

Austropuccinia psidii is a plant fungus native to South and Central America which causes myrtle rust disease, affecting the growth and reproduction of species in the Myrtaceae family. Austropuccinia psidii was first detected in Australia 8 years ago in New South Wales. Since then it has spread rapidly along the east coast, and to date is known to infect more than 375 native Myrtaceae species in Australia. Despite this, its rapid spread is not well documented and the potential threat to additional Myrtaceae species remains unknown, with no systematic surveillance or monitoring program in Australia. In order to better understand the extent of A. psidii geographic distribution and impacts on Australian landscapes, a survey was sent to national park, botanical garden, local council, nursery and forestry agency employees in all states and territories where the disease is known to be present. More than 500 surveys were sent, and 254 responses were received. The survey confirms that A. psidii is widespread in New South Wales and Queensland urban environments as well as in native vegetation communities. Four new host species were confirmed, as well as four new local government areas in two different states reporting A. psidii infection. The disease severity was classified as medium to high for most host species, with especially negative impacts for Rhodamnia rubescens and Rhodomyrtus psidioides. These survey results provide up-to-date information on the geographical distribution, host species and impacts of A. psidii, which will assist in making management decisions relating to this pathogen across Australia.

Details

Title: Austropuccinia psidii on the move: survey based insights to its geographical distribution, host species, impacts and management in Australia
Authors: Laura Fernandez Winzer (Corresponding Author) - Macquarie University
Katherine Berthon (Author) - RMIT University
Angus Carnegie (Author) - New South Wales Department of Primary Industries
Geoff Pegg (Author) - University of the Sunshine Coast
Michelle Leishman (Author) - Macquarie University
Publication details: Biological Invasions, Vol.21(4), pp.1215-1225
Publisher: Springer Netherlands
DOI: 10.1007/s10530-018-1891-0
ISSN: 1573-1464
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99523407002621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Biodiversity Conservation; Ecology

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