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Annual Report on Germplasm Enhancement of Maize - GEM Ames 2012

This report encompasses the various advances and efforts in the germplasm enhancement of maize by GEM Ames in 2012. Highlights include the release of 258 total GEM germplasms, eight new releases from GEM Ames, expansion of allelic diversity with 430 double haploid lines, and comprehensive support for maize pathology and entomology. The report also discusses nursery and isolation block updates, peer-reviewed publications, and cooperator contributions, providing an overview of the collaborative research and outreach initiatives within the maize enhancement programs.

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Annual Report on Germplasm Enhancement of Maize - GEM Ames 2012

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  1. GEM Ames Annual Report GermplasmEnhancement of Maize M. Blanco, F. Engstrom, M. Shen, A. Smelser USDA-ARS NCRPIS GEM - December 5, 2012 -

  2. GEM Releases • 258 total GEM Releases (updated) • 8 GEM-Ames releases for 2012 • 2 University of Wisconsin • W615S (GQS C0 derived) • W616S (AR16026:S1719 derived) Germplasm Enhancement of Maize

  3. Pathology/Entomology Support • GLS, SLB, and Fusarium ear rot (USDA-ARS-PSRU Raleigh, NC) • Aflatoxin (USDA-ARS CHPRRU, MS State) • Diplodia, Head smut, and Fusarium ear rot (DuPont/Pioneer Hi-Bred) • NLB, GLS, and Goss’s Wilt (PSR) • Army Worm/CEW (USDA-ARS-CGBRU Tifton) • Army Worm/CEW (3rd Millennium Genetics) Germplasm Enhancement of Maize

  4. Allelic Diversity(AD) and Double Haploids (DH) Update • 430 DH lines • 252 of 430 DH lines with sufficient seed for distribution (represents 54 races from 13 countries) • 594 rows of allelic diversity for advancing 115 races (from 14 countries) Germplasm Enhancement of Maize

  5. Nursery and Isolations Blocks • 8,700 nursery, and 1,300 isolation block rows at GEM-Ames • Unsucessful pollinations to heat and drought ~30-35% at GEM-Ames • Wide scale heat and drought impacted all US GEM cooperators • Generous in kind support from 5 US companies for winter isolations • Additional nursery support from 4 other US companies in winter nurseries Germplasm Enhancement of Maize

  6. Publications and Outreach(ARS, University, Graduate, and Undergraduate Students) • 13 peer reviewed publications • 9 Abstracts • 8 other (invited presentations, student conferences, etc.) Germplasm Enhancement of Maize

  7. Public Cooperator Reports • Iowa State University- Germplasm Improvement for Starch and Bio-fuel • Texas A&M U.- GEM Germplasm for drought, CEW, and low aflatoxin • Truman State U.- Specialty Starch Germplasm to Optimize Grain Quality & Yield • U. of Wisconsin-Development for Superior Silage, Biofeedstock yield, and composition Germplasm Enhancement of Maize

  8. GEM Field Days • Ames, IA (ARS-NCRPIS GEM Project) • Fargo, ND (North Dakota State University, Marcelo Carena) • Etter, TX (Texas A &M University, WenweiXu) • Beijing, China (Chinese Academy of Agricultural Sciences, Tianyu Wang); 1st International Field Day • Combined total of more than 740 visitors at 4 locations Germplasm Enhancement of Maize

  9. GEM Field Days- CAAS, Beijing, China (Sept. 3 - 9, 2012) Germplasm Enhancement of Maize

  10. GEM Field Days - Ames, IA (Sept. 18, 2012) Germplasm Enhancement of Maize

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