
Iowa corn disease pressure builds early
Tar Spot has been detected early in Iowa cornfields, raising concerns for farmers as they prepare to implement their crop protection plans. The fungal disease, which can spread rapidly under the right conditions, is showing up weeks ahead of typical timelines in some areas. This early arrival not only prompts a re-evaluation of fungicide strategies but also raises red flags about the potential for other corn disease threats this year. With a long growing season still ahead, vigilance will be...