SPRO Letters
Rusts, Smuts, and Bunts
- February 14, 2024: APHIS Reduces Karnal Bunt (Tilletia indica) Regulated Areas in Maricopa and Pinal Counties in Arizona
- April 24, 2023: APHIS Amends Karnal Bunt (Tilletia indica) Regulated Areas in Maricopa County in Arizona
- Archived Rusts, Smuts and Bunts SPRO Letters can be requested from the NPB Association Manager.