The study evaluated 30 white-, purple- and black-kernel supersweet maize inbred lines and 30 testcrosses made from 15 of them. Soluble solids, pericarp thickness and anthocyanin content were mainly under additive gene action, whereas fresh ear yield depended mainly on dominance effects. One elite parent was identified for each kernel color: Wh24 (white), P19 (purple) and B14 (black).
Source: Journal of Crop Science and Biotechnology; published online 1 September 2026