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Germplasm Ownership

Related Corn Inbreds

^a 611 Joanne Lane DeKalb, IL 60115
^b Dep. of Crop Sciences, Univ. of Illinois, 1102 South Goodwin Avenue, Urbana, IL 61801

View larger version (25K): [in a new window]   Fig. 1. Average U.S. corn yields and kinds of corn, Civil War to 2000; periods dominated by open pollinated, by four-parent crosses, and by two-parent crosses are shown; "b" values (regressions) indicate average gain per year; data compiled by USDA.