Bambara groundnut ( Vigna subterranea (L.) Verdc.) is a highly nutritious legume crop supporting sustainable food systems in arid and semi-arid agroecologies. However, modern varieties with high yield and desirable product profiles are yet to be bred in sub-Saharan Africa (SSA). Therefore, this study aimed to determine the combining ability effects and gene action in Bambara groundnut for yield and related traits to identify t...