Data available for sorghum:
Casa, A.M., G.H. Pressoir, P.J. Brown., S.E. Mitchell, W.L. Rooney, M.R. Tuinstra, C.D. Franks, and S. Kresovich (2008) Community resources and strategies for association mapping in sorghum. Crop Sci. 48:30-40. pdf
In combination with your specific phenotype data collected on the US panel, the information in the supplementary tables (specifically the kinship(K) and population structure (Q) matrices) can be used for performing association analyses to identify regions of the genome associated with particular phenotypes.
Association panel genotypes (.xls 457kb)
Supplementary_Table_1. (.xls 148kb) Sorghum bicolor accessions evaluated in this study.
Supplementary_Table_2. (.xls 41kb) Information on Sorghum bicolor SSRs
Supplementary_Table_3. (.xls 107kb) Membership assignment matrix for nine subpopulations (Q9).
Supplementary_Table_4. (.xls 114kb) Membership assignment matrix for ten subpopulations (Q10).
Supplementary_Table_5. (.xls 1.9Mb) Relative kinship matrix (K).
Supplementary_Table_6. (.xls 2.6Mb) Relative kinship matrix (K')