Science. 1966 Feb 4;151(3710):587-8. doi: 10.1126/science.151.3710.587.
Kinetin (6-furfurylaminopurine) is generally considered to be relatively immobile within plants. Kinetin labeled with (14)C was applied to the stumps of decapitated bean plants, with or without simultaneous application of indoleacetic acid. Significantly greater amounts of kinetin moved downwards in the stem in the presence of added indoleacetic acid than in its absence.
激动素（6-糠基氨基嘌呤）通常被认为在植物体内相对不移动。用（14）C 标记的激动素被应用于去顶的豆科植物的残茬上，同时或不同时应用吲哚乙酸。在添加吲哚乙酸的情况下，激动素在茎中向下移动的量明显大于没有添加吲哚乙酸的情况。
