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Phytophthora inundata from native vegetation in Western Australia
M. J. C.
Stukely A F,
J. L.
Webster A,
J. A.
Ciampini A,
E.
Brown C,
W. A.
Dunstan B,
G. E. St J.
Hardy B,
G. J.
Woodman D,
E. M.
Davison E,
F. C. S.
Tay E
A
Department of Environment and Conservation, Science Division, Locked Bag 104, Bentley Delivery Centre, Bentley, WA 6983, Australia.
B
Centre for Phytophthora Science and Management, School of Biological Sciences and Biotechnology, Murdoch University, Murdoch, WA 6150, Australia.
C
Glevan Consulting, 50 Chatsworth Drive, Erskine, Mandurah, WA 6210, Australia.
D
Woodman Environmental Consulting Pty Ltd, PO Box 50, Applecross, WA 6153, Australia.
E
Department of Environmental Biology, Curtin University of Technology, GPO Box 1987, Perth, WA 6845, Australia.
F
Corresponding author. Email: mike.stukely@dec.wa.gov.au
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Australasian Plant Pathology 36(6) 606–608 http://dx.doi.org/10.1071/AP07073
Submitted: 10 August 2006
Accepted: 24 August 2007
Published online: 29 October 2007
Abstract
Phytophthora inundata was found associated with a dead Xanthorrhoea preissii in Eucalyptus marginata (jarrah) forest in the south-west of Western Australia in January 2005. The isolate was sterile in pure culture and when paired with tester isolates of A1 and A2 mating types of other Phytophthora species. Mature sporangia were produced in 4 hours and discharged zoospores very soon after maturation. Some hyphal swellings were observed. Another isolate of P. inundata was isolated in 2005 from soil from Dandaragan on the sandplains north of Perth. Phytophthora isolates collected from dying native vegetation near the South Coast in 1986 and near Mount Barker in 1997 were also shown to be P. inundata. This is the first record of P. inundata from Australian natural ecosystems.
Keywords:
DNA sequencing, Phytophthora cinnamomi.
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