Corn Diseases

All Corn Diseases Content

aerial view of South Dakota farm and surrounding land

Crops

During the growing season, SDSU Extension provides weekly production recommendations.

Yellow and brown streaks on a winter wheat leaf indicative of bacterial leaf streak symptoms.
Mar 30 - 31

Bacterial Leaf Streak Initiative Conference

The fifth annual Bacterial Leaf Streak Initiative Conference will be held from March 30-31 at SDSU Alumni Center - Woster Celebration Hall (815 Medary Ave., Brookings, SD 57006).

sun rising over South Dakota field

South Dakota Pest Management Guides

The South Dakota Pest Management guides are now available for free. The guides offer recommendations for controlling weeds, insects, and diseases in a variety of South Dakota crops.

Aerial view of the SDSU Northeast Research Farm.
Jan      Feb 06 - 26

Crop Hour

SDSU Extension Crop Hour webinars provide valuable information for South Dakota crop producers to help them improve their profitability and prepare for the upcoming season.

Aerial view of the SDSU Southeast Research Farm.
Jan 06 - 07

Southeast Research Farm Seminars @ Dakota Farm Show

Join SDSU Extension for a series of educational presentations during the Dakota Farm Show from January 6-7, 2026, at the USD DakotaDome (1101 N Dakota St, Vermillion, SD 57069).

corn field with sunrise in the background

Corn

Nearly one out of every three dollars generated by South Dakota agriculture starts in a corn field. Two of every three rows of corn become ethanol.

Dried corn growing in a field with visible damage and molding.

Mycotoxins: Should you be concerned?

Environmental stress caused by the weather or damaged crops increases the potential for mold and mycotoxin development. Learn some answers to common questions about mycotoxins and how to manage them.

A corn leaf is shown

SDSU Extension to host corn disease scouting workshop

September 23, 2025

South Dakota State University Extension will host a scouting session for corn diseases confirmed in the state this season.

A green corn leaf with yellow to brown spots throughout.

Corn Disease Update: September 2, 2025

As of September 2, 2025, a number of corn diseases have been reported and confirmed throughout South Dakota. View our latest findings as we approach the fall harvest season.

People stand in a field listening to a person speak

SDSU Extension programs help producers maintain healthy crops

August 26, 2025

Madalyn Shires puts on a lot of miles in the summer. As an assistant professor and SDSU Extension Plant Pathology Specialist, Shires traverses the state visiting research plots and educating crop producers on that research.