EPPO Global Database

Ralstonia solanacearum species complex(RALSSO)

Distribution details in United Kingdom

Current pest situation evaluated by EPPO on the basis of information dated 2021: Present, few occurrences
Pest status declared by NPPO: Transient, actionable, under eradication (2010-02)
Only R. solanacearum on potato and tomato. See distribution for R. solanacearum for more details.
Found in watercourses in England and Wales.
* Defra (2021) Demarcation of zones for the control of Ralstonia solanacearum (Smith) Yabuuchi et al. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/965760/potato-brown-rot-notice.pdf
-------- irrigation prohibited from contaminated water courses.

* Directorate-General for Health and Food Safety (European Commission) (2017) Potato ring rot and brown rot surveys in the EU: Annual report 2016/2017. Luxembourg: Publications Office of the European Union. 36 pp.
------- In annual surveys from 1995-2016, R. solanacearum [phylotype IIB-1] was detected in 7 lots of ware potato (1 lot in 1995, 4 lots in 1999, and 2 lots in 2005) and was detected in 3 lots of seed potato in 2008. Official eradication measures were taken.

* Grousset F, Roy AS, Smith IM (1998) Situation of Ralstonia solanacearum in the EPPO region in 1997. EPPO Bulletin 28 (1-2), 53-63.

* Parkinson N, Bryant R, Bew J, Conyers C, Stones R, Alcock M, Elphinstone J (2013) Application of variable-number tandem-repeat typing to discriminate Ralstonia solanacearum strains associated with English watercourses and disease outbreaks. Applied and Environmental Microbiology 79(19), 6016-6022.
------- Isolates from river water, Solanum dulcamara, potato, tomato and Pelargonium x hortorum were all confirmed as R. solanacaearum [phylotype IIB-1].