EPPO Global Database

Verticillium nonalfalfae hop strains(VERTAH)

Distribution details in Germany

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2023: Present, restricted distribution
First recorded in: 1960s
From NPPO: Present, restricted distribution
References
* Lutz K, Euringer S, Lutz A, Fuss S (2023) Identification of hop cultivars tolerant to Verticillium wilt. Proceedings of the International Hop Growers Convention (Ljubljana, SI, 2023-06-25/29), 77-79.
------- Spread of aggressive strains continues in the Hallertau area (Bavaria), research on resistant/tolerant varieties is being carried out.

* Maurer K, Berg G, Seefelder S (2014) [Research on Verticillium wilt in hop growing area Hallertau]. Gesunde Pflanzen 66, 53–61 (in German).

* NPPO of Germany (1993).
------- Restricted distribution.

* Radišek S, Jakše J, Javornik B (2006) Genetic variability and virulence among Verticillium albo-atrum isolates from hop. European Journal of Plant Pathology 116, 301-314.

* Seefelder S, Seigner E, Niedermeier E, Radišek S, Javornik B (2009) Genotyping of Verticillium pathotypes in the Hallertau: basic findings to assess the risk of Verticillium infections. Proceedings of the International Hop Growers Convention (León, ES, 2009-06-21/25), 74-76.
------- Yield losses associated with aggressive strains observed in some parts of the Hallertau area (Bavaria) since 2005.
Situation in neighbouring countries
Country State Status
Belgium Present, restricted distribution view...
France Absent, unreliable record view...
Luxembourg Absent, unreliable record view...
Netherlands Absent, confirmed by survey view...
Poland Present, few occurrences view...