植物,目前已兴盛到植物,称为植物激素(Plish hormone),也有称为植物生长调治剂( Plish growth regulthroughoutor),如零落酸、赤霉素等。
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受到这样前景的鼓舞,他们付出了双倍的努力,而且制定了一系列新策略比如说有关植物激素的,有关两次嫁接的等等,就是为了称为第一个达到这个目标的人。
Galvanized by the prospect, they are doubling their efforts and devising a raft of new strategies involving natural growth hormones, double grafting and more, to become the first to reach that goal.
自1930S起,研究人员就了解到生长旺盛的植物顶梢会释放出一种被称为茁长素的激素。
Researchers have known since the nineteen thirties that the actively growing tip of a plant releases a hormone called auxin.
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