Aster yellows phytoplasma on Grapevine

Date de publication

mar, 20 Mai 2008, 00:00

Dernière mise à jour effectuée le

juil. 13, 2008, 9:01 matin

Report Number

ZAF-03/2

Pays

South Africa

Identité de l'organisme nuisible

Phytoplasma asteris - (PHYPAS)

Situation du signalement

Final

Hôtes

Grapevine

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

Various locations in Western Cape Province. Found in vineyards of the Olifants River and Vredendal areas.

Résumé

The pest was detected by the South African Wine industry and reported to the NPPOZA in February 2008. The NPPOZA conducted diagnostic analysis and confirmed the pest reports. The NPPOZA is developing an action plan in collaboration with relevant industry. There are indications that the pest may have been in South Africa since 2006.

Danger

Aster yellows phytoplasma group has a potential host range of more than 300 kinds of plants. The risk of spread to other hosts via insect vectors is high. The particular vector in this case has not yet been identified.

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