University of Arkansas:
- Initial RIL population: AGS2000 x Pioneer 26R61, 178 RILs
- 4 HIFs derived from F5
University of California – Davis:
Population 1
- Initial population: Berkut x RAC875, 75 F6 RILS
- 2 HIF families derived from F5 and F5:6 RILs for number of spikelets per spike
Population 2
- Initial population: Berkut x RAC875, 75 F6 RILS
- 7 HIF families derived from F5
Colorado State University:
- Initial Population: Platte x CO940610, 226 F6 RILs
- HIF Families derived from F6
Cornell University:
- Initial population: W7984 x Opata, 90 F6:F9 RILS
- Currently have 21 HIF families derived from initial 90 F6:F9 RILS (Will be pared down to ~ 3 HIFs)
University of Idaho:
- Initial population for QTL identification: UI Platinum x SY Capstone, 111 DH lines.
- QTL validation and HIF selection population: 300 RIL lines derived from the same cross: UI Platinum x SY Capstone
- 5 HIF families derived from F5 for spikelet number per spike
- 4 HIF families derived from F5 for productive tiller number.
Kansas State University – USDA:
Population 1:
- Initial population: Overley x Jagger mutant, 276 F5 RILS
Population 2:
- Initial population: Jagger x Jagger mutant, 272 F5 RILS
Michigan State University:
- Initial population: KS05HW14 × Ae. Tauschii (TA1615, TA1617, TA1642, TA1718, TA10171, TA1662 and TA10187)
- DNAM Population 1,189 RILs, 18 sub-families, 407 BC2F4 RILs used for yield testing
- HIFs derived from BC2F5: 4 for 2DS QTL, 4 for 2DL QTL
University of Minnesota:
- Initial population: MN99394-1 x MN98550-5, 139 F6:9 RILs
- 2 HIF families
Montana State University:
- Initial Populations: Reeder/Conan, McNeal/Thatcher, and Reeder/McNeal
- Validation Populations: Reeder/Choteau, Vida/McNeal, and Reeder/Hank
*in all cases Reeder or Vida high ETN donor parent
- 5 HIF families derived
North Carolina State-USDA:
Population 1
- Initial population: Massey x MPV57, 122 RILs
- HIF families derived from F5
Population 2
- Initial population: MVP57 X LA95135, 358 RILs
North Dakota State University:
Population 1:
Initial: CNN x CNN(WI 3A), 223 RICLs, 3A QTL
Population 2:
Initial: Ben x PI 41205, 200 RILs, 2B QTL
Oklahoma State University:
- Initial population: Yangmai18 X CItr17600, 186 F2 lines generated.
- Initial population: Duster x Billings, 260 DH lines and 192 F2 lines.
South Dakota State University:
- Initial population: KS05HW14 × Ae. Tauschii (TA1615, TA1617, TA1642, TA1718, TA10171, TA1662 and TA10187)
- DNAM Population 1,189 RILs, 18 sub-families, 407 BC2F4 RILs used for yield testing
- 3 HIF families derived from BC2F5
Texas A&M Project:
- Initial population: CO960293-2 x TAM111, 217 F5:7 RILs
- 4 HIF families derived from two F5:7RILs for TKW
Washington State University:
- Initial population: Kelse/Scarlet, 300 F5 RIL.
- Currently 1 HIF derived from F3 identified.