Outbreak of Clavibacter michiganensis subsp. michiganensis in Austria
In 2008, one isolated outbreak of Clavibacter michiganensis subsp. michiganensis (EPPO A2 List) was reported in Austria and was successfully eradicated (EPPO RS 2008/035). However, the bacterium was identified again in Vienna and Vorarlberg in 2008. In Vienna, C. michiganensis subsp. michiganensis was identified on tomatoes (Lycopersicon esculentum) in a private garden. The origin of the seeds was unknown. In Vorarlberg, the pathogen was found on tomatoes (L. esculentum cv. Cindel) in 2 companies producing tomato fruits for final consumers. Investigations showed that all plants concerned had been grown from seeds originating from the Netherlands. However, when the seed lot was tested, results were negative. The NPPO of the Netherlands has been informed accordingly. All tomato plants were destroyed and hygiene measures were imposed to prevent any further spread.
The pest status of Clavibacter michiganensis subsp. michiganensis in Austria is officially declared as: Local outbreaks, eradicated.
NPPO of Austria, 2008-12.