EPPO Global Database

Phytophthora pluvialis(PHYTUV)

Distribution details in United Kingdom

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2024: Present, restricted distribution
First recorded in: 2021
Pest status declared by NPPO: Present: not widely distributed and under official control (2021-12)
Comments
EPPO Reporting Service (2021/227) : discovered during routine surveys in a woodland in Cornwall in September 2021, where it was found to be affecting mature western hemlock (Tsuga heterophylla) and Douglas-fir (Pseudotsuga menziesii) trees.

From NPPO (IPPC, 2021): the official pest status was amended to 'Present: not widely distributed and under official control'.

EPPO Reporting Service (2022/060) : in England, Wales and Scotland. Under official control.

EPPO Reporting Service (2024/040) : found on Larix kaempferi. 6 demarcated areas in England, 3 in Scotland, 5 in Wales. Under official control.
References
* Forestry Commission (2021-10-21) Guidance on Phytophthora pluvialis https://www.gov.uk/guidance/phytophthora-pluvialis

* IPPC website. Official Pest Reports – United Kingdom (2021-12-02). Phytophthora pluvialis pest report
https://www.ippc.int/fr/countries/united-kingdom/pestreports/2021/12/phytophthora-pluvialis-pest-report/

* NPPO of the United Kingdom (2021-10).

* Pérez‐Sierra A, Chitty R, Eacock A, Jones B, Biddle M, Crampton M, Lewis A, Olivieri L, Webber JF (2022) First report of Phytophthora pluvialis in Europe causing resinous cankers on western hemlock. New Disease Reports 45(1):e12064. https://doi.org/10.1002/ndr2.12064

* Pérez-Sierra A, Chitty R, Eacock A, Wylder B, Biddle M, Quick C, Olivieri L, Crampton M (2024) First report of Phytophthora pluvialis causing cankers on Japanese larch in the United Kingdom. New Disease Reports, 49, 12246. https://doi.org/10.1002/ndr2.12246