Supporting Information

The following Supporting Information is available for this article:
Figure S1 Morphology and linear regression analysis of different floret primordia.
Figure S2 Correlation among biological replicates.
Figure S3 The number of spikelets per spike (a) and fertile floret primordia per spikelet (b).
Figure S4 The ontology terms relate to flower development.
Figure S5 The ontology terms relate to light (photoperiod and light quality) responses.
Figure S6 The ontology terms relate to hormone metabolism.
Figure S7 The ontology terms relate to carbohydrate metabolism.
Figure S8 The number of functional DEGs involved in flower development (red), light response (yellow), hormone metabolism (green), and carbohydrate metabolism (blue) in LW versus SW.
Figure S9 Expression profiles of genes involved in long photoperiod-accelerated flowering.
Figure S10 The expression profiles of highly expressed DEGs involved in flower development in LR versus LW.
Figure S11 The expression levels of genes encoding phytochromes under three regimens.
Table S1 Composition of Hoagland’s nutrient solution.
Table S2 Characteristics of three light regimens.
Table S3 Hub DEGs labeled in LR versus LW.
Table S4 Hub DEGs involved in flower development in LRversus LW.
Dataset S1 List of differentially expressed genes (DEGs) in LWversus SW.
Dataset S2 List of differentially expressed genes (DEGs) in LRversus LW.