Filtering by tag: holcus spot ✕

Corn leaf with eyespot symptoms showing small, clustered, tan spots

Dichotomous Key for Identifying Corn Leaf Spot Disorders

Are the spots circular with tan centers and purple to dark brown margins, possibly surrounded by yellow halos? → Yes → Go to 2 → No → Go to 4 Are the lesions small, numerous, evenly distributed…

Picture of corn leaf with holcus spot lesions showing tan spot with yellow halo and dark green water soaked margins

Seeing Spots on Corn? It’s Likely Holcus Leaf Spot

With such a wet May, y’all are probably seeing an uptick in leaf spots on corn, but there’s no need for concern. It’s likely holcus leaf spot, a minor bacterial disease that typically shows up early…