Definitions of plant diseases are about as numerous and different as plant pathologists. If diseases were simple and uncomplicated phenomena, we would not expect this. Some definitions are presented to provide clarity and understanding in communication. Definitions for the purpose of memorization serve little real purpose. They should provide tools for helping us to discuss complex issues and develop concepts. A flexible, working concept of a phenomenon is still useful tomorrow when we know more about it and realize that our earlier definition was not wholly adequate.


Plant Disease Causal Organism Primary Inoculum Disease Cycle Plant Injury 
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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General References

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Copyright information

© Plenum Press, New York 1979

Authors and Affiliations

  • Ervin H. Barnes
    • 1
  1. 1.Michigan State UniversityUSA

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