Fig. 1From: Creating a novel petal regeneration system for function identification of colour gene of grape hyacinthIn vitro petal regeneration of grape hyacinth. Young and mature inflorescence of grape hyacinth (a), flower bud during the colour-turning period of flower organ induction (b, c), the explants swelled and turned green (d), callus formation (e), flower petal primordia formation (f), a break in the colour of regenerated petals (g), fully pigmented regenerated petals (h), petal-like structures (i). Scale bar in a: 0.5 cm, Scale bar in b–i: 100 μmBack to article page