IARN – Iowa farmers are always on the lookout for disease issues, but there are two diseases from 2025 that have farmers the most alert: tar spot and southern rust. Last year, these two diseases popped up in unexpected areas around the country, causing some of the highest damaging disease pressure on record. Unfortunately, many farmers were caught off guard by how quickly conditions favored infection and spread for tar spot and southern rust. Kim Tutor, technical marketing manager for corn and wheat fungicides at BASF, said the latter of the two diseases was the most problematic.
Read more at Iowa Agribusiness Radio Network.
