Ralstonia pseudosolanacearum detected in Rosa in Poland
In Poland, Ralstonia solanacearum species complex (EPPO A2 List) was first detected in 2016 in a glasshouse producing rose cut flowers in the village of Goczałkowice Zdrój (Śląlskie voivodeship), Southern Poland (EPPO RS 2017/018). Phytosanitary measures were taken to eradicate the outbreak.
In June 2022, during an official survey in the same village Ralstonia pseudosolanacearum (EPPO A2 List) was detected in a sample of shoots taken from roses (Rosa sp.) grown in a greenhouse for cut flowers production. The plants did not show any signs of infection.
In July 2022, R. pseudosolanacearum was detected again in rose cuttings in the municipality of Mykanów (Śląlskie voivodeship).
The pest status of Ralstonia pseudosolanacearum in Poland is officially declared as: Present, at low prevalence.
Sources
NPPO of Poland (2022-07, 2022-08).