florigenic
■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。
■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。
■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。