The progresses of florigen research make it very clear that florigen can be used to regulate flowering time.
近几年有关开花素研究的突破性进展使利用开花素基因进行花期调控成为可能。
参考来源 - 外源开花素基因FT对洋桔梗的转化及育种研究N（名词） the hypothetical plant hormone that induces flowering, thought to be synthesized in the leaves as a photoperiodic response and transmitted to the flower buds 促花激素