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多效唑(PP333)是近年来研制出的一种新的植物生长调节剂,它抑制果树枝梢生长的作用比B9(丁酰肼)强,持续时间亦较长。为了探索多效唑在不同类型苹果树上的应用可能性,我们从1985年开始进行试验,现将结果简报如下。
Paclobutrazol (PP333) is a new plant growth regulator developed in recent years. It inhibits the growth of fruit shoots stronger than that of B9 (butyro hydrazide) and lasts longer. In order to explore the application of paclobutrazol in different types of apple trees, we started the experiment in 1985 and the results are summarized as follows.