Detection of Phytophthora elongata sp. nov in Australia

Publication Date
Thu, 25 Nov 2010, 01:00
Last Updated
June 30, 2015, 8:18 a.m.
Report Number
AUS-43/2
Country
Australia
Pest Id
Phytophthora elongata - (PHYTEL)
Report Status
Final
Hosts
Eucalyptus marginata. Occasionally Corymbia calophylla, Banksia spp.
Pest Status
  • Present: only in some areas
Geographical Distribution
Detected in Western Australia and Victoria
Summary

The fungus has been isolated in the northern jarrah forest of Western Australia from the roots and collars of dead and dying Eucalyptus marginata and occasionally Corymbia calophylla in rehabilitated bauxite mine pits. It has also been associated with dead and dying plants of several mid- and understorey species in the northern and southern jarrah forest -Banksia grandis, Leucopogon propinquus, Dryandra squarrosa and an Andersonia sp., as well as the monocotyledonous Xanthorrhoea preissii, X. gracilis and Patersonia xanthina. P. elongata has also been isolated from sandy soils and loams in Victoria in eastern Australia. The fungus may have been in Western Australia since the 1990s.

Danger
The fungus causes wilting and dieback, root and collar rot.
Contact for info
Australian Chief Plant Protection Officer Australian Government Department of Agriculture, GPO Box 858 Canberra ACT 2601 Australia ippc.contactpoint@agriculture.gov.au
Issue keywords
Pest status:Present/Presence
Commodity keywords

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