Fig. 1. Lineage of elite Stiff Stalk corn inbred lines. Figure illustrates the lineage of corn inbred lines by descent as depicted by arrows originating from parents and pointing to its progeny. Proprietary inbreds are noted by the following prefixes: CB, Cornelius Hybrid Seed Co.; DK, Dekalb Genetics; LH, Holden's Foundation Seeds; NK, Northrup King (now owned by Syngenta); PH, Pioneer Hi-Bred International; and SG, Syngenta. Public inbred lines are noted by standard published nomenclature. BSSS, Iowa Stiff Stalk Synthetic.