News article

Predicting future spread of myrtle rust in Aotearoa NZ

Wednesday 15 September 2021, 11-11:30am

Myrtle rust is here to stay and continues to spread within Aotearoa, with devastating impacts on some species. It has been recorded in most North Island regions, although is still arriving at new localities within these regions. It is spreading more slowly in the South Island, but has already established further south than initially expected. Epidemiological concepts developed for other rust pathogens can help us to understand spatio-temporal spread for myrtle rust. Key parameters are wind, host susceptibility, host density and climatic suitability. Join us for this presentation by plant pathologist Rob Beresford, when he will examine the dynamics of spread and consider surveillance requirements, early detection in new localities and the use of climatic risk predictions.

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