FREEPORT, Ill. — Corn diseases can produce mycotoxins that impact the corn silage in dairy cattle rations. “Tar spot or southern rust can contribute to the mycotoxin accumulation,” said Damon Smith, ...

Corn producers in Minnesota have historically had few widespread and significant problems with leaf diseases, in contrast to most major Midwestern corn-producing states. A leaf and stalk disease on ...

As Caleb Hamer evaluated his corn last weekend, he says the crop looked like it flipped a switch and decided it was done growing for the season. “Between the southern rust, some tar spot, and I think ...