Assessment of varietal reactions to potato wart (Synchytrium endobioticum) in Germany |
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| Authors: | E LANGERFELD H STACHEWICZ |
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| Institution: | Biologische Bundesanstalt für Land- und Forstwirtschaft, Institut für Pflanzenschutz in Ackerbau und Grünland, Messeweg 11/12, D-38104 Braunschweig (Germany);Biologische Bundesanstalt für Land- und Forstwirtschaft, Stahnsdorfer Damm 81, D-14532 Kleinmachnow (Germany) |
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| Abstract: | A key for official assessment of potato cultivars for their resistance to Synchytrium endobioticum (potato wart) is presented. The margin between resistant and susceptible reactions is determined solely by the intensity of necrosis. Low numbers of ripe wart sori can be tolerated, if substantial necrosis occurs simultaneously. The key is a combination of the testing procedures of the two former German States and has been officially applied in Germany since 1992. |
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