GEM Presentation

1
GEM Presentation

• GEM Team
• USDA-ARS NCRPIS GEM
• December 9, 2003

Germplasm Enhancement of Maize
2
GEM Yield Trial Summary

• Experiments 29.
• Replications 191.
• Plots 9000.
• Private cooperators portion 79.5.
• GEM team portion 20.5.

3
GEM Yield Trial Summary

• Handouts A long format with GEM 2003 yield trial
  plans and top 20 entries for each experiment and
  a short format summaries.
• Statistical Parameters mean, CV, F-value, and
  LSD
• Number of lines outperformed the check means 63
  (in 12 experiments)
• GEM yield trial data www.public.iastate.edu/usd
  a-gem.

4
GEM Yield Trial Data Summary

• GEM Lines Entry Numbers1
• UR05071S0415 14
• NEI9004S2818 12
• MDI022N2120 12
• BR51675N0620 8
• FS8B(S)S17b 5
• NEI9008S17a15 2
• AR17056N2035 2
• 3 GEM re-test experiments 8
• 1. Number of entries that outperformed the check
  means.

5
Special Thanks to the Companies That Conducted
Yield Trial In-Kind Supports

• AgReliant Genetics, LLC
• Becks Superior Hybrids, Inc.
• Benson Seed Research, LLC
• FFR Cooperative
• Garst Seed Company
• Golden Harvest Seeds, Inc.
• Hoegemeyer Hybrids, Inc.
• Holdens Foundation Seed, LLC

• Illinois Foundation Seeds, Inc.
• Monsanto Company
• Mycogen Seeds
• National Starch Chemical Co.
• NC Hybrids
• PAU Seeds, Inc.
• Pioneer Hi-Bred Int., Inc.
• Schillinger Seeds
• SEEDirect

6
GEM Data Format

• Data communication has been improved
• Data communication Have both ENTRY NUMBERS and
  PEDIGREES
• Data Format Raw data are required with our
  database (PRISM)
• Additional information for us
• Unusual field condition
• Stress, wind, pests or hail incidents
• Cautioning concerns about data interpretation

7
PRISM Demonstration
The End
Germplasm Enhancement of Maize