Detection of a new pathotype of Elsinoe australis causing black scab of jojoba in New South Wales and Queensland

Publication Date
Fri, 28 Oct 2011, 02:00
Last Updated
June 30, 2015, 8:13 a.m.
Report Number
AUS-48/2
Country
Australia
Pest Id
Elsinoe australis - (ELSIAU)
Report Status
Preliminary
Hosts
Jojoba (Simmondsia chinensis)
Pest Status
  • Present: only in some areas
Geographical Distribution
New South Wales and Queensland
Summary

In 2005, a black scab of jojoba was seen in jojoba plantations in New South Wales and Queensland. Black scab lesions were detected on leaves and stems.

Identification of the cause was undertaken and it has been determined that it is a new distinct pathotype, separate from other Elsinoe species found in Australia.Further work is ongoing to define host range and pathogenicity.

Danger
A new pathotype of E. australis has been detected on jojoba. It has not been found on sweet oranges in Australia.
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 reporting
Commodity keywords

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