• R. Kenneth Horst
Reference work entry


Diseases characterized by an overgrowth of tissue in a limited area are commonly called scab. The hyperplastic scablike lesions correspond to the necrotic or dead areas of leaf spots and cankers. Diseases called scab caused by Elsinoë or its anamorph, Sphaceloma, are treated under Spot Anthracnose.


Primary Infection Hollow Sphere Leaf Spot Apple Variety Commercial Grower 
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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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