First report of Clavibacter michiganensis subsp. sepedonicus in Slovakia
The NPPO of Slovakia recently notified the first findings of Clavibacter michiganensis subsp. sepedonicus (EPPO A2 list) on plants of Solanum tuberosum on its territory. All necessary measures have been taken to prevent the spread and to eradicate the bacterium. The findings are located in the cadastral territory of Svodov (district of Levice) and Trstené pri Hornáde (district of Košice-vidiek). The finding in Svodov has been confirmed by IF, PCR and RFLP testing. The finding in Trstené pri Hornáde has been confirmed by IF, PCR, RFLP and bioassay as well as retested by IF and plating on growing media. The source of infected potatoes is currently being investigated. However, it is assumed that the original potato seeds belonging to cultivars Velox and Solara were imported from EU member states. The situation of C. michiganensis subsp. sepedonicus in Slovakia can be described as follows: First reported in 2004, in two localities in the districts of Levice and Košice-vidiek, under eradication.
NPPO of Slovakia, 2004-01