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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

Two broccoli plants exhibiting early black rot symptoms.

Black Rot of Brassica Crops

Black rot is an uncommon, but devastating bacterial disease in South Dakota that can develop during extended periods of hot and wet weather, leading to rapid and widespread crop loss.

Dark-green gelatinous masses on a patch of grass.

Nostoc in Lawns

Nostoc is a genus of cyanobacteria that form colonies in gelatinous masses. In South Dakota, it commonly appears in home lawns, notably in patches where grass is not growing, especially after periods of rain.

Spraying pesticides on vegetable plant
Mar 18

Private Applicator Training for Specialty Crops

SDSU Extension will host a free private applicator training for specialty crops on March 18, 2026, from 1:30 - 4:30 p.m. CT (12:30 - 3:30 p.m. MT). Participants have the option to attend online or at various locations across the state.