EPPO Global Database

Phytophthora ramorum(PHYTRA)

Distribution details in France

Current pest situation evaluated by EPPO on the basis of information dated 2018: Present, restricted distribution
First recorded in: 2002
Pest status declared by NPPO: Present, only in some parts of the member state concerned (2017-06)
From CABI Disease map 978 (2013): Present, few occurrences
EPPO Reporting Service (2003/037) : national survey in 2002 found P. ramorum in 68 out of 300 samples tested (in Rhododendron and Viburnum) (later figures: 32 out of 292).

EPPO Reporting Service (2007/177) : present, found in nurseries mainly on Rhododendron spp. in the north-west (Bretagne, Pays-de-la-Loire), under official control.

From NPPO (2011): eradication measures are being applied.

EPPO Reporting Service (2017/129) : detected in Finistère on a L. kaempferi stand of approximately 50 years old. Under eradication. Also confirmed by the NPPO.
* Anonymous (2007) Phyto Région. Pays-de-la-Loire. Phytophthora ramorum passe sur if et lilas. Phytoma - La Défense des Végétaux No. 607, p 3.

* Delatour C, Saurat C, Husson C, Loos R & Schenck N (2002) Discovery of Phytophthora ramorum on Rhododendron sp. in France and experimental symptoms on Quercus robur. Presented at Sudden Oak Death, A Science Symposium: The State of our Knowledge, Monterey, CA.

* Husson C, Delatour C, Frey P, Marçais B, Saurat C, Schenck N (2007) First report of Phytophthora ramorum on ornamental plants in France. Plant Disease 91(10), p 3159.

- Ministère de l’Agriculture et de l’alimentation. Alim’agri (2017-07-10) Première observation de Phytophthora ramorum sur mélèze en France. http://agriculture.gouv.fr/premiere-observation-de-phytophthora-ramorum-sur-meleze-en-france

* NPPO of France (2011-06, 2017-06).

* Schenck N, Saurat C, Guinet C, Fourrier-Jeandel C, Roche L, Bouvet A, Husson C, Saintonge FX, Contal C, Ioos, R (2018) First report of Phytophthora ramorum causing Japanese larch dieback in France. Plant Disease 2102(10), p 2045.
------- Found in May 2017 on Larix kaempferi in the forest of Saint-Cadou (Finistère).
Situation in neighbouring countries
Country State Status
Belgium Present, restricted distribution view...
Germany Present, few occurrences view...
Italy Absent, pest eradicated view...
Luxembourg Present, no details view...
Spain Absent, pest eradicated view...
Spain Islas Baleares Absent, pest eradicated view...
Switzerland Absent, pest eradicated view...