2012 GEM-Raleigh Recommendations Matt Krakowsky, Dale Dowden, Major Goodman, Wayne Dillard, Bill Hill

2012 GEM-Raleigh Yield Trials GEM Breeding Crosses (EXS1, EXS2 and EXS3) GEM released lines (EXP8 and EXP9) GEM recommended lines for release (EX30 and EX31)

EXS1: Breeding cross hybrids with NC GEM Testers, 7 locations in 2012 Pedigree Yield MST Y/M % Erect Plants SX2788:S(NK794) x LH283.LH287 176 19.8 8.9 100 FS8A(S):S092603 x LH283.LH287 177 19.9 PASCO14:S212603 x LH283.LH287 178 19.5 9.1 PASCO14:S212612 x LH283.LH287 20.5 8.7 BR52051:S172641 x LH283.LH287 20.1 HC33 x TR7322 17.7 10.0 BR106:T33a(DJ7) x LH283.LH287 21.2 8.4 BR51039:N15 x LH132.FR1064 20.8 8.6 BR105:S(DJ7) x LH283.LH287 180 21.1 8.5 ATL100:S(NK794) x LH283.LH287 181 DeKalb 697 183 Pioneer 31D58 200 20.0 Pioneer 31P41 222 11.1 Mean of the experiment 160 8.1 Mean of the checks (P31D58, P31P41, DK697) 201 20.4 9.9 LSD (p=0.05) 7.9 0.6   0.4 CV 11.0 6.9 0.8

Mean of the checks (P31D58, P31P41, DK697) EXS2: 50% Breeding cross hybrids with NC GEM Testers, 6 locations in 2012 Pedigree Yield MST Y/M % Erect Plants 90113:S(NK794) x LH283.LH287 188 19.1 9.8 100 89291:N(LH51) x LH132.FR1064 192 19.6 89291:N(LH59) x LH132.FR1064 193 18.6 10.4 89291:N(PHG47) x LH132.FR1064 18.4 10.5 89291:S(NC368) x LH283.LH287 195 19.9 99 TZI8:S(DJ7) x LH283.LH287 198 21.6 9.2 Ki43:S(DJ7) x LH283.LH287 20.4 9.7 Pioneer 31D58 217 20.0 10.9 Pioneer 31P41 225 20.1 11.2 DeKalb 697 181 19.7 HC33 x TR7322 197 17.8 11.1 Mean of the experiment 180 19.4 9.3 Mean of the checks (P31D58, P31P41, DK697) 206 10.3 LSD (p=0.05) 8.7 0.5   0.7 CV 10.6 5.5 1.6

Mean of the checks (P31D58, P31P41, P31G66, P33M54, DK697) EXS3: 50% Breeding cross hybrids with NC GEM Testers, 7 locations in 2012 Pedigree Yield MST Y/M % Erect Plants CML343:S(PHK29) x LH283.LH287 164 20.0 8.2 99 CML287:S(DJ7) x LH283.LH287 165 20.9 7.9 98 CML343:S(PHG86) x LH283.LH287 166 21.7 7.7 95 CML343:S(PHW52) x LH283.LH287 168 21.0 8.0 CML343:N(NC320) x LH132.FR1064 172 20.8 8.3 CML343:N(NC320) x LH283.LH287 CML343:S(NS701) x LH283.LH287 179 8.6 97 Pioneer 31D58 183 8.8 100 Pioneer 31P41 198 9.4 DeKalb 697 181 22.0 Pioneer 31G66 190 20.7 9.2 HC33 x TR7322 17.8 Pioneer 33M54 186 9.3 Mean of the experiment 159 7.6 Mean of the checks (P31D58, P31P41, P31G66, P33M54, DK697) 188 9.0 LSD (p=0.05) 7.1 0.5   1.2 CV 9.8 5.1 2.7

EXP8: Raleigh GEM Releases, 9 locations in 2012 Pedigree Yield Mst Y/M % Erect Plants GEMN-0207_BR51403:N16-B-044-004-001-01C-001-B x LH132.FR1064 172 19.1 9.0 99 GEMN-0043_BR51403:N16-B-857-B x LH132.FR1064 177 19.0 9.3 97 GEMN-0104_DK888:N11(95)-B-027-012-B x LH132.FR1064 19.9 8.9 LH382 x LH283.LH287 178 19.3 9.2 LH383 x LH283.LH287 179 19.5 GEMS-0032_DKXL380:S11-B-029-001-B x LH283.LH287 187 20.4 Pioneer 31D58 204 20.1 10.1 Pioneer 31P41 199 9.7 100 DeKalb 697 191 20.6 98 HC33 x TR7322 160 17.5 9.1 Mean of the experiment 166 8.5 Mean of the checks (P31D58, P31P41, DK697) 196 20.5 9.6 LSD (p=0.05) 0.5   2.7 CV 11.3 5.3 6.1

EXP9: Ames GEM Releases, 9 locations in 2012 Pedigree Yield MST Y/M % Erect Plants GEMS-0220_(GEMS-0113/GEMS-0091) x LH283.LH287 149 19.0 7.8 98 GEMS-0219_(CUBA164:S2012/GEMS-0002) x LH283.LH287 150 18.5 8.1 LH51 x LH132.FR1064 19.8 7.6 100 LH354 x LH132.FR1064 151 18.8 8.0 GEMN-0187_ANTIG03:N1218-056-001-B x LH132.FR1064 19.5 99 GEMN-0048_DKXL370:N11a20-031-001-B x LH132.FR1064 19.9 GEMS-0175_BVIR155:S2012-029-001-B-B x LH283.LH287 153 20.2 7.5 NS701 x LH283.LH287 18.3 8.4 LH310 x LH283.LH287 156 21.0 7.4 LH382 x LH283.LH287 21.4 7.3 LH287 x LH132.FR1064 157 7.9 LH383 x LH283.LH287 169 Pioneer 31D58 163 21.1 Pioneer 31P41 189 22.1 8.6 DeKalb 697 167 HC33 x TR7322 138 18.4 Mean of the experiment 147 Mean of the checks (P31D58, P31P41, DK697) 178 21.7 8.2 LSD (p=0.05) 14.1 1.1   2.3 CV 11.4 6.4 2.8

EX30: Third Year Trial of GEM families, 22 locations in 2011 and 2012 Pedigree Yield MST Y/M % Erect Plants CML420:N11-005-004 x LH132.FR1064 146 19.2 7.6 96 DK212T:N11-B-003-022-002 x LH132.FR1064 155 20.0 7.7 92 GUAT209:N11c-006-001 x LH132.FR1064 143 19.9 7.2 95 BR52051:N11c-015-004 x LH132.FR1064 158 19.5 8.1 90 BR52051:N11c-039-001 x LH132.FR1064 145 20.2 97 CHIS775:N19-027-022-002 x LH132.FR1064 154 19.3 8.0 MD22:N21-B-002-008 x LH132.FR1064 18.2 8.5 LH287 x LH132.FR1064 18.4 7.9 94 LH353 x LH132.FR1064 133 7.3 98 Pioneer 31G98 182 9.5 Pioneer 31D58 177 20.9 Pioneer 31P41 20.5 8.9 DeKalb 697 171 20.8 8.2 HC33 x TR7322 148 17.5 8.4 Pioneer 33M54 166 8.6 Mean of the experiment Mean of the checks (P31D58, P31P41, P31G98, P33M54, DK697) 175 8.7 LSD (p=0.05) 13.4 0.8   4.5 CV 12.4 5.9 6.7

EX31: Third Year Trial of GEM families, 23 locations in 2011 and 2012 Pedigree Yield MST Y/M % Erect Plants CML287:S15-027-001-008 x LH283.LH287 156 21.3 7.3 95 CML287:S15-004-002-003 x LH283.LH287 20.4 7.6 91 CML287:S15-027-001 x LH283.LH287 20.9 7.5 93 CML287:S15-002-001-003 x LH283.LH287 157 20.6 90 CML287:S15-027-001-002 x LH283.LH287 158 21.0 96 CML287:S15-024-003 x LH283.LH287 CML287:S15-024-003-003 x LH283.LH287 20.5 7.7 DK888:S11b-037-018-008 x LH283.LH287 159 7.8 CML287:S15-027-001-003 x LH283.LH287 160 CML287:S15-024-003-001 x LH283.LH287 163 20.3 8.0 LH310 x LH283.LH287 152 20.1 92 LH382 x LH283.LH287 19.4 8.1 94 LH383 x LH283.LH287 155 19.2 Pioneer 31D58 173 8.4 97 Pioneer 31P41 178 20.2 8.8 98 DeKalb 697 164 HC33 x TR7322 138 16.9 Mean of the experiment Mean of the checks 172 LSD (p=0.05) 11.0 0.8   5.9 CV 10.1 5.7 9.1