An Iowa State University agronomist has helped identify a gene that resists a virus that has cut corn yields around the globe. Agronomy professor Thomas Lubberstedt said in a statement that the research will help develop crop varieties that can resist sugarcane mosaic virus. It is a part of a combination of viruses that has been particularly devastating in East Africa. The virus has been found in the Americas but has not been a big problem in the United States lately. It affects sugar cane, sorghum and other crops. Read the full news release.