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Autor:
Marieke van der Hoek, Willem Jan de Kogel, Marian T.A. Dik, Folchert R. van Dijken, C. Mollema
Publikováno v:
Euphytica. 103:181-186
Variation in host plant performance among populations of a phytophagous insect pest is a potential threat to the durability of host plant resistance. Aggressive biotypes may overcome the protective properties of formerly resistant cultivars. Therefor