Phytophthora ramorum(PHYTRA)
Distribution details in United Kingdom
Current pest situation evaluated by EPPO on the basis of information dated
2021: Present, restricted distribution
First recorded in: 2002
Pest status declared by NPPO: Present: only in some areas (2015-10)
From CABI Disease map 978 (2022): Present, restricted distribution
First recorded in: 2002
Pest status declared by NPPO: Present: only in some areas (2015-10)
From CABI Disease map 978 (2022): 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. Single finds in Scotland and Guernsey.
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 (2004/024) : infestations found in Cornwall, on Quercus ilex, Q. cerris, Fagus sylvatica, Castanea sativa and Aesculus hippocastanum.
EPPO Reporting Service (2010/033) : found in summer 2009 on Larix kaempferi in England (counties of Devon, Cornwall and Somerset).
EPPO Reporting Service (2011/111) : mortality of Larix kaempferi has been observed on large numbers of trees in South-West England. Mortality is also observed in 1 forest in Wales, and small sites in Scotland, Northern Ireland and Isle of Man.
EPPO Reporting Service (2013/130) : detected in Chamaecyparis lawsoniana trees in Summerset. These trees were growing in the vicinity of infested larch trees.
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 (2004/024) : infestations found in Cornwall, on Quercus ilex, Q. cerris, Fagus sylvatica, Castanea sativa and Aesculus hippocastanum.
EPPO Reporting Service (2010/033) : found in summer 2009 on Larix kaempferi in England (counties of Devon, Cornwall and Somerset).
EPPO Reporting Service (2011/111) : mortality of Larix kaempferi has been observed on large numbers of trees in South-West England. Mortality is also observed in 1 forest in Wales, and small sites in Scotland, Northern Ireland and Isle of Man.
EPPO Reporting Service (2013/130) : detected in Chamaecyparis lawsoniana trees in Summerset. These trees were growing in the vicinity of infested larch trees.
* Brasier C, Webber J (2010) Sudden larch death. Nature 466(12), 824-825.
* Brasier C, Webber J (2012) Natural stem infection of Lawson cypress (Chamaecyparis lawsoniana) caused by Phytophthora ramorum. New Disease Reports 25, 26. http://dx.doi.org/10.5197/j.2044-0588.2012.025.026
* Denman, S.; Webber, J. (2009) Quarterly Journal of Forestry 103 (4), 285-290.
* Harris AR, Brasier CM, Scanu B, Webber JF (2021) Fitness characteristics of the European lineages of Phytophthora ramorum. Plant Pathology 70(2), 275-286. https://doi.org/10.1111/ppa.13292
-------- Northern Ireland.
* INTERNET
- DEFRA UK. http://www.defra.gov.uk
- 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
* IPPC website. Official Pest Reports – Country (GBR-18/3 2015-10-30) Phytophthora ramorum and Japanese larch. https://www.ippc.int/index.php
* Lane CR, Beales PA, Hughes KJD, Griffin RL, Munro D, Brasier CM, Webber JF (2003) First outbreak of Phytophthora ramorum in England, on Viburnum tinus. Plant Pathology 52, 414.
* NPPO of the UK (2003-09, 2003-12, 2004-02).
* 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
* Brasier C, Webber J (2012) Natural stem infection of Lawson cypress (Chamaecyparis lawsoniana) caused by Phytophthora ramorum. New Disease Reports 25, 26. http://dx.doi.org/10.5197/j.2044-0588.2012.025.026
* Denman, S.; Webber, J. (2009) Quarterly Journal of Forestry 103 (4), 285-290.
* Harris AR, Brasier CM, Scanu B, Webber JF (2021) Fitness characteristics of the European lineages of Phytophthora ramorum. Plant Pathology 70(2), 275-286. https://doi.org/10.1111/ppa.13292
-------- Northern Ireland.
* INTERNET
- DEFRA UK. http://www.defra.gov.uk
- 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
* IPPC website. Official Pest Reports – Country (GBR-18/3 2015-10-30) Phytophthora ramorum and Japanese larch. https://www.ippc.int/index.php
* Lane CR, Beales PA, Hughes KJD, Griffin RL, Munro D, Brasier CM, Webber JF (2003) First outbreak of Phytophthora ramorum in England, on Viburnum tinus. Plant Pathology 52, 414.
* NPPO of the UK (2003-09, 2003-12, 2004-02).
* 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