Annual and herbaceous perennial native Australian plant species are symptomless hosts of Phytophthora cinnamomiin the Eucalyptus marginata (jarrah) forest of Western Australia
Crone, M., McComb, J.A., O'Brien, P.A. and Hardy, G.E.S.J. (2013) Annual and herbaceous perennial native Australian plant species are symptomless hosts of Phytophthora cinnamomiin the Eucalyptus marginata (jarrah) forest of Western Australia. Plant Pathology, In Press .
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Resistant annual and herbaceous perennial plant species were identified as key hosts which allow Phytophthora cinnamomi to persist on severely impacted black gravel sites within the Eucalyptus marginata (jarrah) forest of southwest Western Australia. Of the annual and herbaceous perennial plant species present on black gravel sites, 15 out of 19 species were found to be hosts of P. cinnamomi, and 10 of these were symptomless hosts. In particular, the native annual Trachymene pilosa and the two native herbaceous perennials Stylidium diuroides and Chamaescilla corymbosa were commonly found to be hosts of the pathogen. Species from 12 new genera including three from new families (Crassulaceae, Droseraceae and Primulaceae) are reported for the first time to be hosts of P. cinnamomi. The species from which P. cinnamomi was recovered were the native species: Chamaescilla corymbosa, Crassula closiana, Drosera erythrorhiza, Hydrocotyle callicarpa, Levenhookia pusilla, Paracaleana nigrita, Podotheca angustifolia, Pterochaeta paniculata, Rytidosperma caespitosum, Siloxerus multiflorus, Stylidium diuroides and Trachymene pilosa, and the introduced annual weeds Hypochaeris glabra, Lysimachia arvensis and Pentameris airoides.
|Publication Type:||Journal Article|
|Murdoch Affiliation:||Centre for Phytophthora Science and Management|
School of Biological Sciences and Biotechnology
|Copyright:||© 2012 British Society for Plant Pathology|
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