Verticillium nonalfalfae hop strains(VERTAH)
Distribution details in Germany
Current pest situation evaluated by EPPO on the basis of information dated
2023: Present, restricted distribution
First recorded in: 1960s
First recorded in: 1960s
From NPPO: Present, restricted distribution
* 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.
------- 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.
| Country | State | Status | |
|---|---|---|---|
| Belgium | Present, restricted distribution | ||
| France | Absent, unreliable record | ||
| Luxembourg | Absent, unreliable record | ||
| Netherlands | Absent, confirmed by survey | ||
| Poland | Present, few occurrences |