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Corn Diseases: Identify, Scout and Control

Identify corn diseases that may threaten your yield with the proper scouting procedures and management tips.

Identify

Corn diseases often share similar symptoms, which can lead to misdiagnosis. Use the tools below to help you learn what corn diseases are prominent in your area, how to scout for them and how to manage your corn crop.

General Leaf Diseases of Corn

It’s not uncommon for a corn plant to have several different diseases present at the same time. Multiple diseases present on a corn plant can make disease diagnosis very difficult.

Promo Tools of General Leaf Diseases of Corn

Scout

Timely scouting is important to help protect corn plants from diseases caused by fungal pathogens. Use these tools to guide your scouting and decision making efforts.

Corn Disease Calendar

Keep your calendar and scouting supplies handy this growing season. Use this calendar to learn which corn diseases will be prominent throughout the year.

Promo Tools of  Corn Disease Calendar

Corn Seedling Diseases

Many different fungi are responsible for causing seedling diseases in corn. Identification of specific seedling blights and root rots based on symptomatology can be difficult because different pathogens often cause similar symptoms.

Promo Tools of Corn Seedling Diseases

Manage

Disease management is necessary to protect yield potential in any crop. In corn, integrated disease management tactics include corn product selection, crop rotation, tillage and residue management, fertility, insect and weed control and fungicide applications.

Managing Corn Diseases

The first line of defense against corn disease is genetic resistance. Products are evaluated for tolerance to diseases that are common in a given geography.

Promo Tools of  Managing Corn Diseases

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SHIELD YOUR YIELD

DEKALB® Disease Shield® technology offers the broadest protection available against the top five yield-robbing corn diseases without sacrificing yield potential.