Germplasm Enhancement of Maize

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 GEM 08 Release Lines:

The GEM 08 Release lines were selected based on the two year yield trial data of some lines tested before and re-tested in year 2007 with 2 different testers. You can click on here to download these recommended lines with more information in a MS Excel file.

 

Summary of the 10 GEM Ames Recommended Lines for 2008
                           
          Heterotic      
GEM Code Pedigree Race Type Country Group Cob Color Grain Type Grain Color    
GEMS-0175 BVIR155:S2012-029-001 Criollo 25% Tropical British Virgin Is. SS White Semi-Dent Yellow    
GEMS-0176 CUBA164:S2008c-289-001 Mixed (Creole) 25% Tropical Cuba SS Red & White Semi-Dent Light Yellow    
GEMN-0177 DK888:N11a08a-395-001 Tropical Hybrid 25% Tropical Thailand nSS Red & White Semi-Dent Yellow    
GEMN-0178 DK888:N11a08a-440-001 Tropical Hybrid 25% Tropical Thailand nSS Red & White Dent Dark Yellow    
GEMN-0179 FS8B(T):N11a08c-030-002 Mixed 25% Temperate USA nSS Red Dent Dark Yellow    
GEMS-0180 GUAT209:S1308a-047-001 Tusón 25% Tropical Guatemala SS Red Semi-Dent Yellow    
GEMS-0181 GUAT209:S1308a-068-001 Tusón 25% Tropical Guatemala SS Red & White Semi-Dent Yellow    
GEMS-0182 GUAT209:S1308a-084-001 Tusón 25% Tropical Guatemala SS Red Dent Yellow    
GEMS-0183 GUAT209:S1308a-104-001 Tusón 25% Tropical Guatemala SS Red Semi-Dent Yellow    
GEMS-0184 GUAT209:S1308a-120-001 Tusón 25% Tropical Guatemala SS White Dent Yellow    
 
  2007 Growing Season

NIR Data

Disease

    Days to GDU's to Plant Ear 1000 k 2 year Average (2006-2007)

2007 Data

GEM Code Pedigree Pollination Pollination Ht. (ft) Ht. (ft) Wt (g) Protein Oil Starch Density NLB SLB GLS
  B73 (Check) 70 1502 5.25 2.5 250 12.3 3.8 70.0 1.274 - - -
GEMS-0175 BVIR155:S2012-029-001 71 1528 6 3 280 13.9 4.4 66.8 1.289 - - -
GEMS-0176 CUBA164:S2008c-289-001 73 1578 7 4 320 13.2 4.1 68.3 1.298 - - -
GEMN-0177 DK888:N11a08a-395-001 73 1578 5.5 3.5 295 11.3 3.9 70.8 1.324 R R -
GEMN-0178 DK888:N11a08a-440-001 71 1528 6.5 3.5 415 11.4 4.0 70.5 1.277 - - -
GEMN-0179 FS8B(T):N11a08c-030-002 65 1380 5 2.5 340 12.8 5.2 67.7 1.279 - - -
GEMS-0180 GUAT209:S1308a-047-001 74 1604 5 2.5 250 10.9 3.6 71.6 1.306 R R -
GEMS-0181 GUAT209:S1308a-068-001 72 1555 5 3 275 12.6 4.3 69.1 1.302 - - R
GEMS-0182 GUAT209:S1308a-084-001 70 1502 6 3.5 260 11.1 4.0 70.6 1.288 - R R
GEMS-0183 GUAT209:S1308a-104-001 69 1475 6.5 2.5 255 12.4 3.7 69.9 1.331 - - -
GEMS-0184 GUAT209:S1308a-120-001 71 1528 5.5 2.5 270 11.8 4.6 69.4 1.320 - - -
 
  R=Resistant
  NLB=Northern Leaf Blight
  SLB=Southern Leaf Blight
  GLS=Gray Leaf Spot

NOTE: Seeds are available for GEM cooperators only. Please send a seed request to Dr. Mike Blanco.

We are grateful to our Cooperators for their support!

 


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Contact us | Home | USDA | ARS | NCRPIS | ISU | Corn Breeding | January 24, 2008