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Mahogany angular leaf spot present in Northern Territory

old revision
Publication Date
Tue, 30 Jun 2015, 05:31
Last Updated
June 30, 2015, 5:31 a.m.
Report Number
Pest Id
Xanthomonas sp. - (XANTSP)
Report Status
Mahogany, Khaya senegalensis
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
Northern Territory

Symptoms consisting of distinct angular leaf spots were seen on leaves on 12-14 week old seedlings at the first property. Since seed from Africa has been distributed to Western Australia and Queensland, the technical feasibility of eradication is extremely low. It is unknown if the disease is of economic importance. Disease spread in affected nurseries has been limited by application of copper sprays.

Mahogany angular leaf spot has been detected on seedlings at two unlinked commercial nurseries in the Northern Territory. There are reasonable grounds to believe that the disease is seed borne. Both nurseries sourced seed from Africa. If the disease is seed borne, it is potentially widespread in Australia because of the amount and distribution of seed received from Africa over recent years, although no disease was observed in other regions during delimitation surveillance.
Contact for info
Chief Plant Protection Officer Australian Government Department of Agriculture, Fisheries and Forestry GPO Box 858 Canberra ACT 2601 Australia [email protected]
Report files
Issue keywords
Pest status:Present/Presence
Commodity keywords

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