All posts tagged gray leaf spot

  • This agronomic image shows gray leaf spot along corn leaf.

    Leaf Disease Strikes Again in Eastern Iowa

    Gray leaf spot can cause blocky lesions along the leaf. Throughout eastern IA, we’ve been seeing the effects of corn leaf diseases such as gray leaf spot and northern corn leaf blight (NCLB). At our Traer, IA, Grow More™ Experience site, Syngenta Agronomist Dean Grossnickle explained how to identify these diseases in your field. Gray leaf spot usually has blocky, gray/tan lesions along the plant’s leaf with symptoms starting to show up before tasseling. NCLB…



This agronomic photo shows corn infected by gray leaf spot.