1. 2012 GEM-Raleigh Recommendations
Matt Krakowsky, Dale Dowden, Major Goodman, Wayne Dillard, Bill Hill

2. 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)

3. 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):S x LH283.LH287
177
19.9
PASCO14:S x LH283.LH287
178
19.5
9.1
PASCO14:S x LH283.LH287
20.5
8.7
BR52051:S 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

4. 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

5. 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

6. EXP8: Raleigh GEM Releases, 9 locations in 2012
Pedigree
Yield
Mst
Y/M
% Erect Plants
GEMN-0207_BR51403:N16-B C-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 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 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

7. 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:N B x LH132.FR1064
19.5 99
GEMN-0048_DKXL370:N11a B x LH132.FR1064
19.9
GEMS-0175_BVIR155:S 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

8. EX30: Third Year Trial of GEM families, 22 locations in 2011 and 2012
Pedigree
Yield
MST
Y/M
% Erect Plants
CML420:N x LH132.FR1064
146
19.2
7.6 96
DK212T:N11-B x LH132.FR1064
155
20.0
7.7 92
GUAT209:N11c x LH132.FR1064
143
19.9
7.2 95
BR52051:N11c x LH132.FR1064
158
19.5
8.1 90
BR52051:N11c x LH132.FR1064
145
20.2 97
CHIS775:N x LH132.FR1064
154
19.3
8.0
MD22:N21-B 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

9. EX31: Third Year Trial of GEM families, 23 locations in 2011 and 2012
Pedigree
Yield
MST
Y/M
% Erect Plants
CML287:S x LH283.LH287
156
21.3
7.3 95
CML287:S x LH283.LH287
20.4
7.6 91
CML287:S x LH283.LH287
20.9
7.5 93
CML287:S x LH283.LH287
157
20.6 90
CML287:S x LH283.LH287
158
21.0 96
CML287:S x LH283.LH287
CML287:S x LH283.LH287
20.5
7.7
DK888:S11b x LH283.LH287
159
7.8
CML287:S x LH283.LH287
160
CML287:S 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