Florigen, or the flowering hormone, has been sought by many researchers. 许多研究者都在寻找成花素或开花激素。
Florigen, they say, is the protein produced by a gene called Flowering locus T, or FT. 专家认为，在两种远缘植物上发现相同的“促花素”，表明所有植物的机理是一样的。
The stimulus can be transferred from one plant to another by grafting, but attempts to isolate florigen have so far been unsuccessful. 该刺激物可通过嫁接从一个植株转移到另一植株，但目前还没有成功分离出成花激素。
Florigen (flowering hormone) A hypothetical plant hormone that has been postulated to account for the transfer of the photoperiod stimulus from the leaves to the apex where flowering is induced. 成花激素：一种假定的植物激素，该假设用来解释来自于叶中，在茎端诱导成花的光周期刺激物质的转运。
florigen, or the flowering hormone, has been sought by many researchers 许多研究者都在寻找成花素或开花激素。
