Wild-sourced Chamelaucium uncinatum have no resistance to Puccinia psidii (myrtle rust)
Chamelaucium uncinatum is a West Australian endemic shrub that is grown as a garden ornamental and for the cut flower market. Commercial cultivars are highly susceptible to infection by Puccinia psidii, which causes leaf, stem, bud and flower rust. Pathogenicity tests showed that wild-sourced C. uncinatum plants have no apparent natural resistance to this pathogen.
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|Source:||Australasian Plant Disease Notes|