1. GEM Annual Meeting
Germplasm Enhancement of Maize
- December 5,

2. GEM Races & Releases Germplasm Enhancement of Maize Country
Race or source
Releases
Argentina
Dent. Blanco Rugoso 2
Dentado Blanco 4
Cristalino Colorado 5
Barbados
Tusón 1
Brazil
Cateto 9
Dente Amarelo
Hybrid-tropical 26
Chile
Camelia
Cuba
Argentino
Mixed (Creole)
Dom. Republic
Mixed
Guatemala
Mexico
Tuxpeño/Olotillo
Tuxpeño 8
Germplasm Enhancement of Maize

3. GEM Races & Releases (Cont’d)
Country
Race or source
Releases
Peru
Alazan 1
Cuban yellow 3
St. Croix
Tusón
Thailand
Hybrid-tropical 34
Suwan
Uruguay
Cateto Sulino 2
Semidentado Riograndense
Dente Branco
USA
FS8 (Mixed Sources) 9
Total Releases:
135
Germplasm Enhancement of Maize

4. Next Presentation
Germplasm Enhancement of Maize

5. Yield Test Results and Recommendation
Germplasm Enhancement of Maize
M. Blanco and M. Shen
USDA-ARS NCRPIS GEM
- December 5,

6. GEM Information Management
Germplasm Enhancement of Maize
Agronomic data
Agronomic character data
Lab data
Images for the GEM recommended lines
GEM homepage at

7. GEM Information – Character Data
Germplasm Enhancement of Maize

8. GEM Information – Image Data
Germplasm Enhancement of Maize
The format is based on NCRPIS procedures for capture of corn ear traits
There are 4 images for each line: ear image, ear cross section image, kernel image, and an individualized image of kernels

9. GEM Information – Image Data
Germplasm Enhancement of Maize
DKB844:S B-B-B-B-B-B

10. GEM Information – Image Data
Germplasm Enhancement of Maize
DKB844:S B-B-B-B-B-B

11. GEM Information – Image Data
Germplasm Enhancement of Maize
DKB844:S B-B-B-B-B-B

12. GEM Information – Image Data
Germplasm Enhancement of Maize

13. Usage of GEM website Germplasm Enhancement of Maize
Visitors: 250/month.
Re-visitors: 30%
Top 10 countries with most visitors (in descending order): US, China, Italy, India, UK, Canada, Mexico, France, S. Africa, & Argentina
Top 10 states/regions with most visitors (in descending order): IA, CA, MO, IL, NY, TX, IN, Lazio (Italy), NC, & Beijing (China)

14. GEM yield trial summary - 2006
Germplasm Enhancement of Maize
Experiments: 37
Replicated at 4 to 8 locations
Plots: 11,300
Private cooperators’ portion: 65%
GEM portion: 35%

15. GEM yield trial summary (Contd.)
Germplasm Enhancement of Maize
There are 88 GEM topcrosses that out-performed the yield of check means
The range of CV’s for yield was from 8.4 to 16.9% (only 1 expt above 16%)
Yield trial data - high lodging data this year (good selection for lodging)

16. GEM yield trial summary (Contd.)
GEM topcrosses Race Number1
GUAT209:S1308b Tusón 26
GUAT209:S1308d 18
BR52051:S1713 Dente Amarelo 18
Retest 8
GEM Test 5
GEMxGEM 5
UR13010:S13 Dente Branco 3
DKB830:S11a17 Hybrid 2
SCROGP3:N2017 Tusón 1
UR02005:N20 Cateto Sulino 1
UR11002:N0308b Dente Branco 1
1. Number of entries that outperformed the mean of 5 checks. 88 (total)
Germplasm Enhancement of Maize

17. GEM yield trial summary (Contd.)
Handout: GEM 2006 yield trial summary
GEM CD contains
GEM annual report
GEM public cooperators’ reports
GEM lab reports
Presentations
Yield trial data
GEM information –
Germplasm Enhancement of Maize

18. Suggestions for GEM Data Communication
Germplasm Enhancement of Maize
Data Communication: Include ENTRY NUMBERS, PEDIGREES, and PLOT NUMBERS
MS Excel Template on the GEM web site
Data Format: Raw data are required by our database (PRISM)
Feel free to contact Mack Shen for any questions

19. Special Thanks to the Companies That Conducted Yield Trial In-Kind Supports
AgReliant Genetics, LLC
BASF Plant Science Breeding LLC
Beck’s Superior Hybrids, Inc.
Benson Seed Research, LLC
Brodbeck Seeds
FFR Cooperative
Hoegemeyer Hybrids, Inc.
Illinois Foundation Seeds, Inc.
Monsanto Company
Mycogen Seeds
Pannar Genetics, Inc
Pioneer Hi-Bred Int., Inc.
Schillinger Seeds
SEEDirect
Syngenta Seeds, Inc.
Wyffels Hybrids
Germplasm Enhancement of Maize

20. Next Presentation
Germplasm Enhancement of Maize

21. Summary of GEM Releases 2007
Days to
GDU's to
Ear
Plant
1000 k
NIR Data
Pedigree
Pollination
Ht.
Wt (g)
Protein
Oil
Starch
Density
B73 (Check) 80
1645
6.5
3.3
2800
12.1
4.2
69.5
1.268
AR13026:N08b15-016* 76
1546
6.9
3.6
3100
12.6
3.7
69.6
1.313
AR13026:N08b15-086 75
1516
6.1
2.9
3450
11.3
4.0
70.3
1.251
BR51721:N * 81
1672
10.3
3.5
72.6
1.314
BR51721:N * 79
1620
5.9
3.0
3250
10.6
71.3
1.294
BR51721:N ** 82
1701
3350
10.0
71.7
1.286
CASH:N 74
1490
2.7
3050
70.0
1.285
CUBA117:S
6.7
3.4
3000
13.8
3.8
67.4
1.290
CUBA117:S
6.2
2.5
2750
14.3
4.8
67.1
1.332
CUBA117:S * 78
1597
2.0
2600
15.7
5.0
65.0
1.331
CUBA164:S
2150
12.5
4.4
68.2
1.231
* Good Rating for Stewarts Wilt
** Good Rating for Fusarium & Stewarts
Germplasm Enhancement of Maize

22. GEM Recommendations for 2007
Pedigree
Race
Type
AR13026:N08b15-016
Argentina (Cristalino Colorado)
25% Temperate
AR13026:N08b15-086
BR51721:N
Brazil (Dente Amarelo)
25% Tropical
BR51721:N
BR51721:N
CASH:N
USA (Corn Belt Dent)
CUBA117:S
Cuba (Argentino)
CUBA117:S
CUBA117:S
CUBA164:S
Cuba (Mixed Creole)
Germplasm Enhancement of Maize

23. AR13026:N08b15-016 Germplasm Enhancement of Maize
06602 Tester: HC33 (8 Locs)
04533 Tester: SCH-SS (5 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
AR13026:N08b15-016
172.5
17.5
10.0
57.9
4.4
0.7
195.4
19.3
10.1
7.4
1.0
Check Mean
176.7
19.1
9.2
56.8
5.6
0.8
215.3
18.4
11.7
7.9
0.5 CV
11.9
8.4
9.5
4.2
LSD (p=0.05)
19.0
1.5
22.5
Germplasm Enhancement of Maize

24. AR13026:N08b15-086 Germplasm Enhancement of Maize
06602 Tester: HC33 (8 Locs)
04533 Tester: SCH-SS (5 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
AR13026:N08b15-086
178.0
17.0
10.6
58.8
3.9
0.0
203.6
19.8
10.3
4.8
Check Mean
176.7
19.1
9.2
56.8
5.6
0.8
215.3
18.4
11.7
7.9
0.5 CV
11.9
8.4
9.5
4.2
LSD (p=0.05)
19.0
1.5
22.5
1.0
Germplasm Enhancement of Maize

25. BR51721:N2012-098-002 Germplasm Enhancement of Maize
06602 Tester: HC33 (8 Locs)
04135 Tester: PIO-SS2 (5 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
BR51721:N
160.7
18.5
8.7
57.2
3.2
0.8
212.4
26.4
8.3
Check Mean
176.7
19.1
9.2
56.8
5.6
186.5
24.6
7.6 CV
11.9
8.4
15.8
6.9
LSD (p=0.05)
19.0
1.5
33.3
2.3
Germplasm Enhancement of Maize

26. BR51721:N2012-164-002 Germplasm Enhancement of Maize
06602 Tester: HC33 (8 Locs)
04135 Tester: PIO-SS2 (5 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
BR51721:N
162.0
18.7
9.1
56.6
2.9
0.0
196.0
26.6
7.5
Check Mean
176.7
19.1
9.2
56.8
5.6
0.8
186.5
24.6
7.6 CV
11.9
8.4
15.8
6.9
LSD (p=0.05)
19.0
1.5
33.3
2.3
Germplasm Enhancement of Maize

27. BR51721:N2012-397-001 Germplasm Enhancement of Maize
06602 Tester: HC33 (8 Locs)
04135 Tester: PIO-SS2 (5 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
BR51721:N
179.1
17.5
10.4
57.4
4.5
204.2
25.3
8.3
Check Mean
176.7
19.1
9.2
56.8
5.6
0.8
186.5
24.6
7.6 CV
11.9
8.4
15.8
6.9
LSD (p=0.05)
19.0
1.5
33.3
2.3
Germplasm Enhancement of Maize

28. CASH:N1410-018-001 Germplasm Enhancement of Maize
06602 Tester: HC33 (8 Locs)
04535 Tester: GH-SS2 (6 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
CASH:N
171.6
16.8
10.4
56.6
7.7
0.5
216.2
21.7
9.9
6.4
0.6
Check Mean
176.7
19.1
9.2
56.8
5.6
0.8
203.3
23.6
8.6
4.8
0.9 CV
11.9
8.4
9.3
5.7
LSD (p=0.05)
19.0
1.5
20.1
Germplasm Enhancement of Maize

29. 04137 Tester: MON-nSS (4 Locs)
CUBA117:S
06601 Tester: LH287 (8 Locs)
04137 Tester: MON-nSS (4 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
CUBA117:S
192.2
21.7
9.0
56.8
3.2
1.7
221.0
23.6
9.7
0.7
3.5
Check Mean
178.4
19.2
9.4
58.3
3.4
2.1
199.9
20.9
9.9
2.0
7.7 CV
10.1
4.1
9.6
5.5
LSD (p=0.05)
17.2
0.8
25.6
Germplasm Enhancement of Maize

30. 04137 Tester: MON-nSS (4 Locs)
CUBA117:S
06601 Tester: LH287 (8 Locs)
04137 Tester: MON-nSS (4 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
CUBA117:S
181.1
21.0
8.7
57.6
1.8
2.1
212.9
25.0
0.0
Check Mean
178.4
19.2
9.4
58.3
3.4
199.9
20.9
9.9
2.0
7.7 CV
10.1
4.1
9.6
5.5
LSD (p=0.05)
17.2
0.8
25.6
1.7
Germplasm Enhancement of Maize

31. 04137 Tester: MON-nSS (4 Locs)
CUBA117:S
06601 Tester: LH287 (8 Locs)
04137 Tester: MON-nSS (4 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
CUBA117:S
170.8
20.6
8.4
58.4
5.8
2.0
210.5
23.7
9.1
0.3
6.5
Check Mean
178.4
19.2
9.4
58.3
3.4
2.1
199.9
20.9
9.9
7.7 CV
10.1
4.1
9.6
5.5
LSD (p=0.05)
17.2
0.8
25.6
1.7
Germplasm Enhancement of Maize

32. CUBA164:S2012-456-001 Germplasm Enhancement of Maize
06642 Tester: LH287 (6 Locs)
04132 Tester: LH185 (6 Locs)
Pedigree
Yield
Moist
Y/M
TWT SL RL
CUBA164:S
174.7
16.3
10.9
56.9
2.0
1.5
181.5
15.7
11.6
2.2
1.7
Check Mean
178.5
18.5
9.7
57.6
3.2
5.0
204.9
18.3
11.4
4.3
4.5 CV
14.2
6.4
10.8
4.9
LSD (p=0.05)
28.8
20.5
1.0
Germplasm Enhancement of Maize

33. GEM Presentation
Germplasm Enhancement of Maize
The on-going project