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Detection of Rice blast (caused by Magnaporthe grisea) in the Ord River Irrigation Area (ORIA) of Western Australia

 
revision
Date de publication
mar, 30 Jui 2015, 06:21
Dernière mise à jour effectuée le
juin 30, 2015, 6:21 matin
Report Number
AUS-46/1
Pays
Australia
Identité de l'organisme nuisible
Magnaporthe oryzae - (PYRIOR)
Situation du signalement
Final
Hôtes
Rice - Oryza sativa - cultivar Quest
Pest Status (old values from ISPM 8 -1998 )
  • Present: subject to official control
Pest Status (ISPM 8 - 2021)
  • Present: not widely distributed and under official control
Distribution géographique
Detected in five commercial rice crops in the ORIA of Western Australia
Résumé

A delimiting survey in Western Australia has determined that rice blast is only present in the isolated ORIA. Quarantine measures have been imposed on all ORIA rice growing properties to prevent the movement of rice plant material, machinery and equipment associated with rice crops.

Danger
Rice blast, caused by Magnaporthe grisea, is generally considered an important disease of rice worldwide because of its extensive distribution and destructiveness under favourable conditions. Rice blast is not present in the New South Wales Riverina region where 99% of Australian rice is grown and strict quarantine regulations are in place to prevent the entry of diseases. This outbreak in northern Western Australia is not likely to pose a threat to the Riverina rice growing region as it is nearly 3000 km away.
Contact pour demandes d'information
Chief Plant Protection Officer Australian Government Department of Agriculture, Fisheries and Forestry GPO Box 858 Canberra ACT 2601 Australia [email protected]
Fichiers de rapports
Site web
Mots-clés associés au thème
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