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Gray leaf spot photo gallery

A small collection of images portraying gray leaf spot in a variety of disease stages.

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Click on any thumbnail for more information


Infested corn debris
High relative humidty
favors GLS development
Early lesions.

Close-up view of early lesions.
 
Close-up view of older lesions
GLS development on a
susceptible corn hybrid

Severe GLS development
Close-up view
of severe development
An example of
differential susceptibility.

Severe stalk lodging
GLS lesion type: fleck response
on Pa875
GLS lesion type: chlorotic lesions
on inbred NC262A

GLS lesion type:chlorotic
on inbred NC250A
GLS lesion type: necrotic
on inbred B73
GLS  susceptible-type lesions
     
     
     
     
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