Connie supports the citizens of South Dakota in her role as the SDSU Extension Plant Diagnostician at the South Dakota State University campus in Brookings.
Connie Tande
SDSU Extension Plant Diagnostician
Secondary Wheat Diseases: Alternaria Species Detected
In wheat observed this summer, the Alternaria species, a group of secondary fungal pathogens were identified in samples collected east of the Missouri river. This pathogen is infectious on its own and can cause Alternaria leaf spot disease.
Online Reporting of Crop Diseases for Statewide Monitoring Efforts: How You Can Get Involved
Did you know that you can become involved in disease reporting and monitoring across the state? Thanks to a new tool from the Crop Protection Network, producers, crop consultants, and homeowners can report disease sightings on a variety of crops across the state.
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.