Use the slider to view different levels of defoliation. Once you are ready, test your skills by clicking Start Quiz below.
Insects that cause defoliation on corn leaves include grasshoppers, Japanese beetles, and armyworms.
Young corn can overcome severe defoliation damage. Using hail damage as an example, it is estimated that V7 corn with 70% leaf area destroyed will experience only a 5% yield reduction.
Ready to test your skills? Use the interactive quiz to help assess your scouting capability.