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Evaluation of GEM Project Yield Trials in North Carolina (2011)

The North Carolina GEM Project conducted extensive yield trials across six locations involving approximately 6,000 plots, supported by both public and private sector cooperators. Results showed mixed outcomes due to varying environmental conditions, including drought and bird impacts affecting yields. The trials evaluated germplasm from GEM breeding crosses, with additional plots coordinated from Raleigh. A nursery of circa 4,000 rows facilitated the development of new breeding lines and allelic diversity. This work aims to enhance crop performance through innovative breeding strategies.

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Evaluation of GEM Project Yield Trials in North Carolina (2011)

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  1. North Carolina GEM Project 2011 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. Field Program – Yield Trials • Approx. 6000 yield trial plots in NC • Five NC locations (Clayton, Kinston (2), Lewiston, Salisbury) • Mixed results with low yields at some locations (drought) • Additional 5000 plots coordinated from Raleigh • Three public, six private company cooperators • Bird issues at a few locations affected data

  3. GEM-Raleigh Yield Plots, 2006-2012

  4. Germplasm in trials • Families derived from GEM breeding crosses • GEM released lines • Tester combinations • GEM breeding crosses • Potential new germplasm for breeding crosses

  5. Nursery • Approx 4000 rows plus 1100 rows in isolation in 2011 • GEM Breeding crosses for S1 development • GEM S1’s for S2 development • Allelic Diversity • GEM x GEM crosses • GEM bulk increases for released lines and potential releases • New breeding cross development

  6. Questions?

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