EPPO Global Database

Phytophthora ramorum(PHYTRA)

Distribution details in United Kingdom (England)

Current pest situation evaluated by EPPO on the basis of information dated 2011: Present, restricted distribution
From CABI Disease map 978 (2013): Present, restricted distribution
From NPPO: Present, restricted distribution
EPPO Reporting Service (2002/077) : first found in 2002. 11 findings in England, 10 on Viburnum and one on Rhododendron.

EPPO Reporting Service (2003/039) : by end of 2002, found at 196 sites.

EPPO Reporting Service (2003/133) : found at over 260 sites but eradicated at more than half of these (new records on Pieris, Kalmia, Camellia, Syringa, Arbutus).

EPPO Reporting Service (2003/146) : now at 290 sites.

EPPO Reporting Service (2003/162) : found on Fagus sylvatica, Quercus ilex, and Aesculus hippocastanum in SW England.

EPPO Reporting Service (2011/111) : mortality of Larix kaempferi observed on large numbers of trees in South-West England. Mortality is also observed in 1 forest in Wales.
* Brasier C, Webber J (2010) Sudden larch death. Nature 466(12), 824-825.

- Forestry Commission UK. Phytophthora ramorum. http://www.forestry.gov.uk/forestry/infd-7xvewh
- Forestry Commission (GB). Phytophthora ramorum in larch trees – Update. http://www.forestry.gov.uk/forestry/INFD-8EJKP4

* NPPO of the UK (2003-09).

* Webber JF, Mullett M, Brasier CM (2010) Dieback and mortality of plantation Japanese larch (Larix kaempferi) associated with infection by Phytophthora ramorum. New Disease Reports 22, 19. http://dx.doi.org/10.5197/j.2044-0588.2010.022.019