EPPO Global Database

Phytophthora alni subsp. alni(PHYTAL)

Distribution details in France

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2010: Present, no details
From CABI Disease map 1040 (2008): Present, no details
Comments
EPPO Reporting Service (99/156): first detected in 1996 in southwest (Gironde, Landes) and northeast (50 locations in 11 départements). Also 3 foci in Deux-Sèvres, Vendée, Maine et Loire in the west.

EPPO Reporting Service (2005/009) : the alder phytophthora disease is now considered to be caused by P. alni.
References
* Brasier CM, Kirk SA, Delcan J, Cooke DEL, Jung T, Man in’t Vled WA (2004) Phytophthora alni sp. nov. and its variants: designation of emerging heteroploid hybrid pathogens spreading on Alnus trees. Mycological Research, 108(10), 1172-1184.

* Elegbede CF, Pierrat JC, Aguayo J, Husson C, Halkett F, Marçais B (2010) A statistical model to detect asymptomatic infectious individuals with an application in the Phytophthora alni-induced alder decline. Phytopathology 100(11), 1262-1269.
------- Surveys showed that 16% of alder trees present along the watercourses in the Rhin-Meuse Basin were diseased.

* Husson C, Thoirain B, Ioos R, Frey P, Marcais B (2006) Water - a vector for pathogens. The case of alder Phytophthora. Revue Forestiere Francaise 58(4), 351-360.

* Ioos R, Andrieux A, Marçais B, Frey P (2006) Genetic characterization of the natural hybrid species Phytophthora alni as inferred from nuclear and mitochondrial DNA analyses. Fungal Genetics and Biology (43), 511–529.

* Streito, J-C.; de Villartay, G.; Tabary, F. (1999) Une nouvelle espèce de Phytophthora s'attaque à l'aulne. Phytoma - La Défense des Végétaux, no. 519, 38-41.

* INTERNET
Web site of the Laboratoire National de la Protection des Végétaux, Nancy (FR). Le Phytophthora de l'aulne. http://perso.wanadoo.fr/lnpv/nancy/aldphyt.htm
Situation in neighbouring countries
Country State Status
Belgium Present, no details view...
Germany Present, no details view...
Italy Present, no details view...
Spain Present, restricted distribution view...