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GEM Ames Annual Report. G ermplasm E nhancement of M aize. M. Blanco, F. Engstrom, M. Shen USDA-ARS NCRPIS GEM - December 11, 2013 -. GEM Releases. 265 T otal GEM Releases (updated) 7 GEM-Ames releases for 2014 7 GEM line waxy conversions

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gem ames annual report

GEM Ames Annual Report

GermplasmEnhancement of Maize

M. Blanco, F. Engstrom, M. Shen

USDA-ARS NCRPIS GEM

- December 11, 2013 -

gem releases
GEM Releases
  • 265 Total GEM Releases (updated)
  • 7 GEM-Ames releases for 2014
  • 7 GEM line waxy conversions
  • 5 Texas A&M Brown Midrib (bmr1) lines derived from GUAT209:N19 x Tx germplasm

Germplasm Enhancement of Maize

pathology evaluatio n
Pathology Evaluation
  • GLS, SLB, and Fusarium Ear Rot (USDA-ARS-PSRU Raleigh, NC)
  • GLS, SLB, Common Rust and Goss’s Wilt (Professional Seed Research)
  • NLB and Diplodia Ear Rot (DuPont Pioneer Hi-Bred, Johnston, IA)
  • Aflatoxin (USDA-ARS CHPRRU, MS State)
  • FusariumEar Rot and Head Smut (DuPont Pioneer Hi-Bred, Woodland, CA)
  • NLB and foliar diseases (Agriculture and Agri-Food, Canada)
  • NLB (MayAgro, Turkey)

Germplasm Enhancement of Maize

entomology evaluation
Entomology Evaluation
  • Army Worm/CEW (USDA-ARS-CGBRU Tifton, GA)
  • Army Worm/CEW (3rd Millennium Genetics, Puerto Rico)
  • Corn Rootworm (USDA-ARS-PGRU, Colombia, MO)
allelic diversity ad and double haploids dh update
Allelic Diversity(AD) and Double Haploids (DH) Update
  • 252 DH lines to be released
  • 24 New DH lines being increased
  • 237 New DH0 (A. Smelser Research)
  • 174 rows of Allelic Diversity for advancing 46 races (from 11 countries)

Germplasm Enhancement of Maize

nursery and yield trials
Nursery and Yield Trials
  • 5,075 Nursery Rows
  • 2,181 Isolation Block Rows
  • 10,334 Yield Trial Plots

Germplasm Enhancement of Maize

2013 gem photoperiod shade house
2013 GEM Photoperiod Shade House

Photo credit: Denise Costich, CIMMYT

two new gem cooperators 2013
Two New GEM Cooperators 2013
  • CRD Advisors, LLC
  • Trimble Genetics, LLC

Germplasm Enhancement of Maize

public cooperator reports
Public Cooperator Reports
  • North Dakota State University (Marcelo Carena)
  • Iowa State University (Jay-lin Jane)
  • Texas A&M University (Wenwei Xu)
publications and outreach ars university graduate and undergraduate students
Publications and Outreach(ARS, University, Graduate, and Undergraduate Students)
  • 11 peer reviewed manuscripts
  • 15 presentations/other outreach
  • Students were involved in much of the above

Germplasm Enhancement of Maize

gem field days
GEM Field Days
  • GEM 20th Anniversary Field Day (Ames, IA)
  • Fargo, ND (North Dakota State University, Marcelo Carena)
  • Etter, TX (Texas A &M University, Wenwei Xu)
  • Beijing, China (Chinese Academy of Agricultural Sciences, Tianyu Wang); 2ndInternational Field Day
  • Combined total of more than 900 visitors at 4 locations

Germplasm Enhancement of Maize