General Corn Disease Severity Training




Use the slider to view different levels of disease severity. Once you are ready, test your skills by clicking Start Quiz below. 

Many diseases cause lesions on corn leaves throughout the growing season. Lesions caused by a disease may appear slightly different depending on corn hybrid and disease progression. Often, more than one type of disease appears on a single plant. This will help train your eye for corn leaf lesions in general.   

For more information on foliar diseases of corn, see the Crop Protection Network. For information on fungicides see Fungicide Efficacy for Control of Corn Diseases.  

Test Your Skills

Ready to test your skills? Use the interactive quiz to help assess your scouting capability.

Start Quiz