Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12864-020-6726-6/MediaObjects/12864_2020_6726_Fig1_HTML.png)
Supplementary light experiment. a NL represents the control group (no light, no flowering); b L0 represents the no-flowering stage in the light-treated group; c L1 represents the flower bud stage under light treatment; d L2 represents one-week post-bud stage under light treatment; e flowering of pitaya plants induced by light treatment in the winter season. The red cycle indicated the sampling position on plant