Corn Numbering System & Descriptions

Maturity: Maturity expressed in range of days

Growing degree days (G.D.D.): Growing degree days expressed as a value

Minnesota Maturity (MN Maturity): Maturity expressed as a specific value

Height: Short, Medium, Tall

Ear Placement: Medium, Tall Ear Flex: Length, Girth

The following are rated from Excellent to Not Recommended based on the scale below:

• Dry Down
• Stalk
• Cold Emergence
• Irrigation
• Eye Spot
• SC Leaf Blight
• Anthracnose
• Root
• Stress
• Test Weight
• Gray Leaf Spot
• NC Leaf Blight
• Stewart’s Wilt