LANSING, Mich. (RFD News) — Michigan has confirmed its first case of tar spot for the 2026 growing season.
The fungal disease was identified this week in Jackson County, marking the state’s first confirmed case of the year.
Tar spot has now been reported in nine states this season, including Illinois, Indiana, Iowa, Kansas, Minnesota, Missouri, Nebraska, Wisconsin and Michigan.
Agronomists say warm weather has pushed much of the corn crop toward pollination and are encouraging producers to continue scouting fields as disease pressure builds.
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