List of varieties used in the study.

Transition: variety cultivated in transitional zone between lowland and upland. Ind_Gc = cluster of indica from Guinea. Ind_Gh = cluster of indica from Ghana. Jap_GbGh = cluster of japonica from Guinea Bissau and Ghana. Jap_SL = cluster of japonica from Sierra Leone. Glab_LowerCoast = cluster of glaberrima from Lower Guinea Coast. Glab_UpperCoast = cluster of glaberrima from Upper Guinea Coast.