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

 

revision

Date de publication

ven, 23 Jui 2023, 05:51

Dernière mise à jour effectuée le

juin 23, 2023, 5:51 matin

Report Number

AUS-48/2

Pays

Australia

Identité de l'organisme nuisible

Elsinoe australis - (ELSIAU)

Situation du signalement

Préliminaire

Hôtes

Jojoba (Simmondsia chinensis)

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

Distribution géographique

New South Wales and Queensland

Résumé

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 pour demandes d'information

Australian Chief Plant Protection Officer Australian Government Department of Agriculture, GPO Box 858 Canberra ACT 2601 Australia [email protected]

Fichiers de rapports

Site web

Mots-clés associés au thème

Pest reporting

Mots-clés associés à la marchandise