Results of the 2014 survey on Ralstonia solanacearum and Clavibacter michiganensis subsp. sepedonicus in Lithuania
The official survey for potato bacteria which was conducted in 2014 in Lithuania confirmed the absence of Ralstonia solanacearum (EPPO A2 List) and the limited distribution of Clavibacter michiganensis subsp. sepedonicus (EPPO A2 List). During this survey: 6 seed potato and 620 ware potato farms were inspected; 153 seed potato samples (corresponding to 46 lots) and 847 ware potato samples (683 lots) were tested. As a result, 28 samples (21 lots from 21 farms) of ware potatoes were found infected by Clavibacter michiganensis subsp. sepedonicus. The bacterium was not detected in seed potatoes. The 21 infected farms were located in the regions of Alytus, Kaunas, Klaipėda, Marijampolė, Panevėžys, Šiauliai, Telšiai, Utena and Vilnius. The total infested area is estimated at approximately 72 ha. All contaminated ware potatoes were destroyed by burial or used for animal feed after steaming.
The situation of Ralstonia solanacearum in Lithuania can be described as follows: Absent, confirmed by survey.
The situation of Clavibacter michiganensis subsp. sepedonicus in Lithuania can be described as follows: Present, restricted distribution, under official control.
NPPO of Lithuania (2015-06).