Fig. 1. Pedigree for the soybean cyst nematode (SCN) resistant parents S42-M1 (population SR-1, SR-2, and SR-3) and Bell (populations BR-1, BR-2, BJ-1, and BJ-2). Soybean cyst nematode resistant lines are marked with *. Lines D68-18, J74-122, D71-6234, and A5474 were not available for genotyping.