UNL Plant Pathologist Dr. Tamra Jackson- Ziems and her team recently confirmed tar spot in Richardson County, just north of Falls city. The disease infestation is in very low levels, but it is important to begin scouting your corn field. The Corn ipmPIPE helps track the appearance of tar spot. It is available online at corn.ipmpipe. org/tarspot. When you look at the map, keep in mind that the g...