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Collaborative project: Diagnostic methods for sustainable protection strategies against potato wart. Subproject 2 (DIANA)

Project


Project code: 2814903215, JKI-A-08-1251
Contract period: 01.09.2017 - 28.02.2021
Budget: 206,361 Euro
Purpose of research: Applied research

Potato wart, a disease caused by the fungus Synchytrium endobioticum is the most important quarantine pathogen of potatoes in Germany. As chemical control is not possible potato production is banned from infested areas for many years. Therefore, the use of varieties resistant to wart as well as various quarantine measures are the only effective strategies for disease control. The aim of the proposed project is to develop effective diagnostic tools for both the pathogen and host plants based on molecular markers. This should assist activities which aim at the containment of pathogen populations and which will help to prevent the spread of wart to new, so far uninfected, areas.

WP 1 Innovative methods to identity potato wart in soil and in plant material: The JKI provides LU H infested wart material of all pathotypes. WP2-3: Methods to identify potato wart pathotypes: JKI successfully performed pre-tests, where meristem tissue was infected with winter sori suspensions. Test on further tissue types (in vitro-plant, stolons, leaves) will follow. For the development of molecular markers, JKI provides the LUH potato wart pathotypes of different origins. Diagnostic markers could replace the time-consuming and costly Glynne-Lemmerzahl methode, which wou1d be a substantial advancement.

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