Leaf Blight and Bean Leaf Beetle Popping Up in NE SD Fields Published August 10, 2020 The corn growing in northeastern South Dakota is making good progress, but DEKALB Asgrow Technical Agronomist Jeff Fuls says there’s been some disease pressure. "We're seeing a lot of leaf fungus like northern corn leaf blight and common rusts. The… Top StoriesLatest NewsCrops