Functional analysis of FLOWERING LOCUS T orthologs from spring orchid (Cymbidium goeringii Rchb. f.) that regulates the vegetative to reproductive transition

► FT cDNA was isolated and characterized in spring orchid for the first time. ► CgFT was expressed more in young flower buds than in mature flowers in spring orchid. ► CgFT upregulate expression of LFY, AP1, FUL and SEP1 to promote flowering in vitro.