Fig. 1

The main phenotypic differences between parent cultivars. a the seed lotus cultivar ‘Mantianxing’ used as female parent was planted in field in fast-growing stage; b the rhizome cultivar ‘Juwuba’ used as male parent was planted in field in fast-growing stage; c, d, e and f is the flower, fruit, seed and rhizome of ‘Mantianxing’, respectively; g, h, i and j is the flower, fruit, seed and rhizome of Juwuba, respectively