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Disease development in Eucalyptus marginata, innoculated with zoospores of Phytophthora cinnamomi: the role of isolate virulence and season of innoculation

O'Gara, E., McComb, J.A., Colquhoun, I.J., Williams, M.R. and Hardy, G.E.St.J. (1997) Disease development in Eucalyptus marginata, innoculated with zoospores of Phytophthora cinnamomi: the role of isolate virulence and season of innoculation. In: 11th Biennial Conference of the Australasian Plant Pathology Society, 29 September - 2 October, Perth, Western Australia.

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Abstract

In the first 1-3 years temporary ponding of water can occur in rehabilitated bauxite mines in the south west of Western Australia. If P. cinnamomi is present, infection at the collar of E. marginata (Jarrah) can occur. Under similar conditions, motile zoospores of P. cinnamomi have been shown to invade jarrah through apparently non-wounded periderm.

This study examines the disease development of P. cinnamomi in jarrah over a 12 month period. The role of isolate virulence and season of inoculation were examined in the survival of seedlings, and the persistence of the isolates.

Publication Type: Conference Item
Murdoch Affiliation: School of Biological Sciences and Biotechnology
URI: http://researchrepository.murdoch.edu.au/id/eprint/12458
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