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Het toetsen van stammen vanNectria cinnabarina (Tode) fr. op levende takken in vitro

With a summary: The testing of strains of Nectria cinnabarina (Tode) Fr. on living branches in vitro

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Summary

Some types of elm hybrids resistent to the Dutch elm disease turned out to be susceptible toNectria cinnabarina (Tode) Fr. This fungus may behave as a parasite, killing branches. Virulent and non-virulent strains are known. A method is described for cultivatingNectria-strains in vitro on living desinfected branches ofAcer and ofUlmus. Three weeks after inoculation with a virulent strain the branches were killed. They were covered all over by a thick layer of mycelium. The mycelium of non-virulent strains could not kill the branches. It developed only sparsely. By this method it will be possible to select the most virulent strains out of a collection of isolates in order to use them for testing elm hybrids on their resistence toNectria cinnabarina.

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Literatuur

  • Kobel, F., — 1952. Untersuchungen über toxische Stoffwechselprodukte vonNectria cinnabarina. Phytopathologische Zeitschr. 18: 157–195.

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Authors and Affiliations

  1. Phytopathologisch Laboratorium “Willie Commelin Scholten”, Baarn

    M. A. A. Schipper & H. M. Heybroek

Authors
  1. M. A. A. Schipper
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  2. H. M. Heybroek
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Schipper, M.A.A., Heybroek, H.M. Het toetsen van stammen vanNectria cinnabarina (Tode) fr. op levende takken in vitro. Tijdschrift Over Plantenziekten 63, 192–194 (1957). https://doi.org/10.1007/BF01987828

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  • DOI: https://doi.org/10.1007/BF01987828

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