Iowa growers urged to scout for tar spot
Tar spot has already been confirmed in nine Iowa counties, and crop protection specialists say its early appearance should have corn growers thinking about disease management well before symptoms become widespread. While much of Iowa's corn crop has benefited from favorable growing conditions this season, those same conditions have also created an environment where fungal diseases like tar spot can establish themselves early. According to Nate Quam, Technical Service Representative with BASF,...















