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Cody Molnar

SDSU Extension Horticulture Plant Pathology Field Specialist

605-688-4792

Berg Agricultural Hall 259
Box 2207D
Brookings, SD 57007

Cody supports the citizens of South Dakota as an SDSU Extension Horticulture Plant Pathology Field Specialist at the South Dakota State University campus in Brookings.

State & Regional Offices

SDSU Campus
Also by Cody Molnar
a wilted pepper plant in a garden plot.

Handling Herbicide Injury in Specialty Crops

Learn how to handle specialty crops that have inadvertently been affected by herbicides.

Overhead view of State Fair 4-H exhibits
Sep 02

State Fair

The 2026 South Dakota State Fair will take place Wednesday, September 2, through Monday, September 7, at the South Dakota State Fairgrounds in Huron, South Dakota.

Two coneflowers with distorted heads due to Aster yellows phytoplasma.

Aster Yellows - Plant Pest on the Plains: How you can get involved in this important research

Aster yellows phytoplasma, best known as Aster Yellows disease or Onion Yellows disease, is commonly observed in purple coneflowers across the Great Plains. SDSU Extension is monitoring and modeling its distribution in the region, and you can help!