Phytophthora alni Brasier & S.A. Kirk 2004 (Oomycetes, Pythiales)

Notes: Reclassified as Phytophthora x alni (Brasier & S.A. Kirk) Husson, Ioos & Marcais (2015). Brasier et al. (2004) discuss nomenclatural issues associated with hybrids.

Distribution: Europe.

Substrate: Roots, collars.

Disease Note: Aggressive root and collar rot of riparian, nursery and shelterbelt alders.

Host: Alnus spp. (Betulaceae).

Supporting Literature:

Brasier, C.M., Kirk, S.A., Delcan, J., Cooke, D.E.L., and Jung, T. 2004. Phytophthora alni sp. nov. and its variants: designation of emerging heteroploid hybrid pathogens spreading on Alnus trees. Mycol. Res. 108: 1172-1184.

Haque, M.M.U., Martin-Garcia, J., and Diez, J.J. 2015. Variation in pathogenicity among the three subspecies of Phytophthora alni on detached leaves, twigs and branches of Alnus glutinosa. Forest Pathol. 45: 484-491.

Husson, C., Aguayo, J., Revellin, C., Frey, P., Ioos, R., and Marcais, B. 2015. Evidence for homoploid speciation in Phytophthora alni supports taxonomic reclassification in this species complex. Fungal Genet. Biol. 77: 12-21.

Stochlova, P., Novotna, K., and Cerny, K. 2016. Variation in Alnus glutinosa susceptibility to Phytophthora xalni infection and its geographic pattern in the Czech Republic. Forest Pathol. 46(1): 3-10.

Zamora-Ballesteros, C., Haque, M.M.U., Diez, J.J., and Martin-Garcia, J. 2017. Pathogenicity of Phytophthora alni complex and P. plurivora in Alnus glutinosa seedlings. Forest Pathol. 47(2): e12299.

Updated on Aug 14, 2018

1 records were found using the criteria: = Phytophthora alni


U.S. National Fungus Collections Nomenclature Database. November 26, 2022

U.S. Department of Agriculture, Agricultural Research Service

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Suggested citation: Minnis, A.M., Farr, D.F., Rossman, A.Y. Fungal Nomenclature Database, U.S. National Fungus Collections, ARS, USDA. Retrieved November 26, 2022, from /fungaldatabases/nomen/Nomenclature.cfm