First Report of Curvularia Leaf Spot of Corn ( Zea mays ), Caused by Curvularia lunata , in Iowa
In August 2025, small (1 to 3mm), oval lesions with dark brown margins surrounded by chlorotic halo, primarily affecting leaves in the mid to upper canopy were observed on approximately 5% corn (Zea mays L. growth stage R3) hybrid Golden Harvest G10L16-DV plants at the Iowa State University Agricultural Engineering and...