Tar spot is highly prolific, spreading on the wind and from underlying soil residue. Years of data taken in Ontario and the United States show tar spot can impact every commercially available corn variety.

Top strategies for managing tar spot

It’s all about tolerant hybrids, fungicides, and timing

Tar spot is now well-established in the province and experts from across North America encourage corn growers to think of it as a regional, not field specific disease. That would […] Read more