Table 10. GEM results for 50% tropical families - Best testcrosses from 2 year trials -- N.C. State, 1999 - 2000 YIELD % % NO. YIELD % % NO. PEDIGREE t/ha H2O EP FAMILIES t/ha H2O EP FAMILIES EX24 CHS775 N19 F1S2 x LH132.LH195 87 7 59 5 EXA7 XL370A N11 F2S2 x LH132.195 39 10 74 14 H6141-11/96 9.9 17.7 89.4 (3587-30) 9509-2/97 9.6 20.3 94.2 (7521-23) check mean 9.8 18.2 90.6 check mean 9.7 18.7 94.4 DK683, 689, 714, LH132.51, P3165, 32K61 DK683, 689, 714, 743, LH132.51, P3165, 14 env; yield cv = 9.6; H2O cv = 4.8 31B13, 32K61 14 env; yield cv = 10.1; H2O cv = 5.7 EX25 CHS775 N19 F1S2 x FR992.FR1064 87 7 45 6 EXA8 XL380 N11 F2S2 x LH132.LH195 27 12 85 23 1311-1/97 9.3 17.0 94.8 (1721-42) 9527-1/97 9.0 19.6 96.1 (7541-07) 1312-1/97 9.4 18.5 93.1 (1721-42) 9531-2/97 9.3 19.4 97.0 (7541-07) EX25 CHS775 N19 F1S2 x LH132.LH195 9532-2/97 9.2 20.4 93.6 (7541-07) 7384-2/96 9.4 19.2 91.8 (3587-43) check mean 9.0 18.9 95.3 (7541-07) check mean 9.4 18.2 89.3 DK683, 689, 714, 743, LH132.51, P3165, DK683, 689, 714, LH132.51, P3165, 32K61 32K61 16 env; yield cv = 11.2; H2O cv = 6.9 15 env; yield cv = 9.3; H2O cv = 5.1 EXA9 DK888 S11 F2S2 x FR615.FR697 10 5 EX47 SCRGp3 N14 F2S2 x LH132.LH195 778 21 7 60 17 1415-1/97 9.3 19.2 94.4 (7461-29) 9111-4/97 9.5 18.2 94.1 (7258-03) 1415-6/97 9.4 21.4 94.7 (7461-29) EX47 SCRGp3 N14 F2S2 x LH132.LH195 check mean 9.3 17.9 93.5 9131-4/97 9.6 19.4 91.4 (7279-06) DK683, 714, 743, LH132.51, P3165, 32K61 check mean 9.6 18.3 92.3 13 env; yield cv = 10.2; H2O cv = 7.5 DK683, 689, 714, 743, LH132.51, P3165, Expts. A2 and B8 are 2-yr. expts. on a second tester 31G20, 32K61 15 env.; yield c.v. = 9.5; H2O cv = 5.4 EXA2 SCRGp3 N14F2S1 x LH132.LH195 778 21 6 2 7258-3/95 9.4 18.2 89.2 EXA1 CHS775 S19 F1S1 x FR615.FR697 52 13 EXA2 DK212T N11 F2S1 x LH132.LH195 46 19 6 1741-7/95 9.6 18.6 90.1 7431-16/95 9.3 18.0 90.9 1741-11/95 9.5 17.9 90.4 EXA2 DK888 N11 F2S1 x LH132.LH195 52 24 9 1741-12/95 9.4 18.4 93.2 7451-28/95 9.4 19.2 87.8 1741-29/95 9.6 18.8 88.1 EXA2 XL380 N11 F2S1 x LH132.LH195 27 12 7 1741-31/95 9.6 18.2 86.6 7541-15/95 9.3 18.0 87.0 1741-34/95 9.2 19.5 92.4 check mean 9.3 17.9 88.6 check mean 9.3 18.3 89.8 DK683, 689, 714, LH132.51, P3165, 32K61 DK683, 689, 714, LH132.51, P3165, 32K61 16 env; yield cv = 11.5; H2O cv = 5.5 14 env; yield cv = 10.4; H2O cv = 5.5 EXB8 DK212T S11 F2S2 x LH185 61 12 8 5 EXA4 DK888 N11 F2S2 x LH132.LH195 52 24 59 12 2084-2/96 9.8 16.2 98.1 9353-1/97 9.4 18.5 93.2 (7451-17) 2088-1/96 9.7 17.0 93.5 check mean 9.2 18.1 92.7 2116-2/96 9.6 17.2 94.0 DK683, 687, 689, 714, 743, LH132.51, EXB8 DK888 S11 F2S2 x LH185 69 32 31 8 200.262, P3165, 32K61 2120-1/96 10.2 18.0 90.9 10 env; yield cv = 9.4; H2O cv = 5.4 2132-5/96 9.4 18.3 93.3 2142-1/96 9.4 18.1 93.4 EXA6 DK212T N11 F2S2 x LH132.LH195 46 19 45 5 2146-1/96 10.3 18.7 92.1 9244-1/97 9.5 18.9 92.4 (7431-44) EXB8 XL370A S11 F2S2 x LH185 43 13 13 4 9246-3/97 9.4 20.1 93.1 (7431-44) 2250-1/96 9.2 16.3 96.0 check mean 9.4 19.4 94.1 EXB8 XL380 S11 F2S2 x LH185 42 4 4 1 DK683, 689, 714, 743, LH132.51, P3165, 2283-1/96 9.5 17.5 93.5 32K61 15 env; yield cv = 11.0; H2O cv = 4.8 check mean 9.4 18.2 92.6 N = Non-Stiff Stalk cross; S = Stiff Stalk cross. DK683, 689, 714, 743, LH132.51, P3165, Two-digit number following N or S is company code. 32K61 15 env; yield cv = 11.6; H2O cv = 5.2 Checks listed below check means for each experiment. Typicaly all expts. had 4 to 5 more reps than env.