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Gray Leaf Spot in Corn


The objectives of this module are:
  • To describe the gray leaf spot disease cycle on corn
  • To identify environmental conditions that favor GLS development
  • To determine plant economic thresholds based on infection level and environmental conditions
  • To discuss management practices available to reduce yield losses due to gray leaf spot

CEUs and Area:

2.0 PM

Approved by:


Item Number:

SS 50506

Free Online Version:

(CEU test costs money)

Module Homepage:


Module Developers:

Dr. Allan Ciha, Dr. Alison E. Robertson, David Nielsen

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