DeKalb Genetics Corporation DeKalb Genetics Corporation DeKalb Genetics Corporation (often stylized DEKALB; formerly DeKalb Agricultural Association and DEKALB AgResearch) was a diversified company headquartered in DeKalb, Illinois that marketed agricultural seeds and other products. The company was best known for its leading role in the development of hybrid corn and for its "winged ear" logo. DeKalb Genetics Corporation was purchased by the Monsanto Company in 1998. The DeKalb seed business, the DEKALB brand and the winged ear logo are now owned and managed by Monsanto. The history of DeKalb Genetics Corporation can be traced back to the Farm Bureau county organization, founded in
Castle of Monsanto an unknown commander. As a result of this change, in 1174, a new foral was issued to the inhabitants of Monsanto, by D. Afonso Henriques, which was confirmed in 1190 by D. Sancho I. A contemporary castle was constructed during the 13th century. It was reconstructed in the 14th century, during the reigns of King D. Dinis and D. Fernando. But, following its alignment with the Kingdom of Castile during the 1383–1385 Portuguese interregnum, the site began to fall into disorder. According to the chronicler Fernão Lopes, Monsanto was a village that had been loyal to Queen Beatrice. But, later