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Tijdschrift Over Plantenziekten

, Volume 53, Issue 5, pp 139–143 | Cite as

Wisselbouw van aardappelrassen als bestrijdingsmiddel tegen schurft

With a summary: Rotation of potato varieties as a control of scab

  • H. L. G. de Bruyn
Article

Summary

Four potato varieties were grown in a frame filled with soil, heavily infected with scab. For six successive years each variety was grown on the same plot. After these six years two potato varieties, Bintje and Eigenheimer, were cultivated on all plots. The attack and type of scab varied according to the susceptibility of the potatoes grown during the preceding period. Where Jubel was cultivated for six years the attack was least, where Bintje had been grown successively much superficial scab occurred, in the Eigenheimer-plot many deep scab lesions were found. Rotation with potato varieties resistant to scab may have good results if the disease occurs on later grown susceptible potato varieties. These results agree with the facts found by different authors (1, 5, 7, 8) viz. that different types of scab on the same potato are due to special races of Actinomyces, that the susceptibility of the different potato varieties to these Actinomycesraces is not the same and that the virulence of the scab organisms is increased through development on the living growing potato. In verband met de nog weinig uitgewerkte systematiek van de Actinomyceten is geen verschil tussen rassen en soorten van Actinomyces gemaakt en wordt in dit artikel alleen van rassen gesproken.

Keywords

Plant Pathology Potato Variety Alleen Preceding Period Actinomyces 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literatuur

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Copyright information

© Kluwer Academic Publishers 1947

Authors and Affiliations

  • H. L. G. de Bruyn
    • 1
  1. 1.Lab. v. Mycologie en AardappelonderzoekWageningen

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