Detection of Phytophthora elongata sp. nov in Australia

 

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Publication Date

Fri, 23 Jun 2023, 06:29

Last Updated

June 23, 2023, 6:29 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 (old values from ISPM 8 -1998 )

• Present: only in some areas

Pest Status (ISPM 8 - 2021)

• Present: not widely distributed and under official control

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 [email protected]

Report files

Website

Issue keywords

Pest status:Present/Presence

Commodity keywords