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在田间条件下,应用多效唑(pp_(333))1000ppm、1500ppm、2000ppm、2500ppm对大旺山楂幼树处理结果表明:多效唑显著的抑制了新梢加长生长,缩短了节间长度,减小了树冠体积。使新梢停止生长期提前一个半月。叶片的叶绿素含量明显增加。
Under field conditions, the effect of paclobutrazol (pp_ (333)) 1000ppm, 1500ppm, 2000ppm and 2500ppm on Hawthorn seedlings showed that paclobutrazol significantly inhibited the shoot growth, shorten the internode length and reduced the crown volume. The new shoot to stop growing one and a half months earlier. Leaf chlorophyll content increased significantly.