Viruses, Viroids, Phytoplasmas

  • R. Kenneth Horst
Reference work entry


The word virus means poison or venom. When it is used in connection with a plant disease, it means a filterable virus, an infective principle or etiological agent so small it passes through filters that will retain bacteria. Virus diseases in man range from infantile paralysis to the common cold and in plants from “breaking” of tulip flowers to the deadly raspberry ringspot disease on the Malling Jewel variety of raspberry.


Rice Stripe Virus Barley Stripe Mosaic Virus Aster Yellow Tobacco Streak Virus Apple Chlorotic Leaf Spot Virus 
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.

Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • R. Kenneth Horst
    • 1
  1. 1.Department of Plant Pathology and Plant-Microbe BiologyCornell UniversityIthacaUSA

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