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Aster yellows phytoplasma on Grapevine

Publication Date
Tue, 20 May 2008, 00:00
Last Updated
July 13, 2008, 9:01 a.m.
Report Number
South Africa
Pest Id
Phytoplasma asteris - (PHYPAS)
Report Status
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
Various locations in Western Cape Province. Found in vineyards of the Olifants River and Vredendal areas.

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.

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.
Report files

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