Berg Agricultural Hall 261
Agronomy, Horticulture & Plant Science-2207A
Brookings, SD 57007
Madalyn supports the citizens of South Dakota in her role as an Assistant Professor and SDSU Extension Plant Pathology Specialist located at the South Dakota State University campus in Brookings.
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.
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.
Aster yellows is a phytoplasmal disease carried and introduced by aster leafhopper. It is known to infect over 80 different plant families, as the aster leafhopper has extremely broad feeding habits.
