Cyst Nematodes pp 179-189 | Cite as

Concepts of Resistance, Tolerance and Susceptibility in Relation to Cyst Nematodes

  • David L. Trudgill
Part of the Nato ASI Series book series (NSSA, volume 121)


Where one organism lives on or within and is dependent upon another there may be a range of relationships from symbiosis (mutualism) to predator/prey. Between are the parasite/host and, if the parasite damages its host, the pathogen/host relationship. Cyst nematodes cause damage and are therefore pathogens, but Koch’s postulates cannot readily be applied to them; in part this is because they multiply and spread much less rapidly than many other plant pathogens and, in part, because the damage they cause is usually proportional to their population density at planting.


Potato Cultivar Cyst Nematode Nematode Population Potato Clone Potato Cyst Nematode 
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Copyright information

© Plenum Press, New York 1986

Authors and Affiliations

  • David L. Trudgill
    • 1
  1. 1.Scottish Crop Research InstituteInvergowrie, DundeeScotland

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