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CoverCollege of Agriculture
Cooperative Extension Service and Vocational Agriculture Service
University of Illinois

This publication features 16 full-colored photos of common disease of corn to help you determine the cause of damage.

The reverse side provides information on each disease. The descriptions include where and when the corn is susceptible to damage and the type of damage caused.


  • Aphids
  • Bacterium
  • Cercospora zeae-maydis
  • Common rust
  • Corn flea beetle
  • Corn diseases
  • Corn leaf blight
  • Corn viruses
  • Corynebaeterium nebraskense
  • Crazy top
  • Erwinia stewarti
  • Eyespot
  • Fungi
  • Genetic leaf spot
  • Gloeocercospora sorgi
  • Goss wilt
  • Grayhead spot
  • Helminthosporium carbonum
  • Helminthosporium maydis
  • Helminthosporium leaf spot
  • Helminthospor turcicum
  • Holcus leaf spot
  • Kabatiella zeae
  • Maize dwarf mosaic
  • Northern corn leaf blight
  • Peronosclerospora sorghi
  • Phyllosticta maydis
  • Physoderma brown spot
  • Physoderma maydis
  • Pseudomonas syringae
  • Puccinia sorghi
  • Pycnidia
  • Sclerophthora macrospora
  • Sorghum downy mildew
  • Southern corn leaf blight
  • Stewart's bacterial wilt
  • Sugarcane mosaic virus
  • Wheat curl mite
  • Wheat streak mosaic virus
  • Yellow leaf blight
  • Zonate leaf spot


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Publication No. PS101