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North Carolina GEM Project 2012

North Carolina GEM Project 2012. USDA/ARS: Matthew Krakowsky and Dale Dowden NC State: Major Goodman, A. Wayne Dillard and William Hill Grad Students: Oliver Ott and Jill Recker. Nursery. Approx. 1900 rows plus 800 rows in isolation

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North Carolina GEM Project 2012

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  1. North Carolina GEM Project 2012 USDA/ARS: Matthew Krakowsky and Dale Dowden NC State: Major Goodman, A. Wayne Dillard and William Hill Grad Students: Oliver Ott and Jill Recker

  2. Nursery • Approx. 1900 rows plus 800 rows in isolation • Twelve GEM breeding crosses for S1 development (Four Brazilian accessions, 1 Guatemalean, 1 Thai, 1 Peruvian, 1 US) • Six GEM S1’s for S2 development (CIMMYT and NC inbreds) • Thirty-three new breeding crosses produced (18 GEM x GEM and 15 tropical x GEM) • GEM bulk increases for released lines and potential releases

  3. Yield Trials • Approx. 8400 yield trial plots in NC • Five NC locations: Clayton, Kinston (Caswell and Cunningham farms), Lewiston, Salisbury • Mixed results with low/variable yields at some locations (too much water) • Additional 5100 plots coordinated from Raleigh • Two public, five private company cooperators • Water issues at some locations

  4. Germplasm in trials S2 families derived from GEM breeding crosses GEM released lines Potential new germplasm for breeding crosses

  5. Allelic Diversity • 400 summer nursery rows and 320 winter rows • Thirty-six BC1 families and forty F1s completed in 2013 • Extra effort made to cross late maturing accessions in winter nursery

  6. GEM-Raleigh Cooperators Dupont Pioneer Monsanto Dow Agrosciences University of Tennessee AgReliant Genetics Pannar GEM-Ames

  7. Questions?

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