Plants or Crops

Agriculture

Both livestock and crops are essential to South Dakota's agricultural industry.

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!

Sunflower Pest Recap

During 2026, we will be producing a new weekly update on sunflower insect pest activity. This information will be attained via a sampling network of eight locations that are in central South Dakota.

South Dakota Wheat Streak Mosaic Virus Disease: 2026 Update

Wheat streak mosaic virus is on the move across South Dakota wheat fields. Due to the mild winter and overwintering in winter wheat, viral activity has had a jump start in 2026, and the occurrence and intensity of disease pressure is comparable to the 2025 season.

Master Gardener Volunteer Program

SDSU Extension’s Master Gardener program develops gardening enthusiasts into expert volunteers who share their research-based knowledge with community members across the state.

How to Interpret Forage Test Results

Forage testing is a management tool that both forage and livestock producers should incorporate into their operations. Knowing the quality of the feed being provided allows producers to meet livestock nutritional needs more accurately and cost-effectively.