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高梁种子经不同浓度的多效唑浸种处理，其幼苗高度和叶片长度明显低于对照，而根冠比和叶绿素含量明显高于对照，根长与对照基本相近。表明用不同浓度的多效唑浸种均可不同程度地矮化高粱幼苗植株，提高抗倒伏能力．
Sorghum seed soaked with different concentrations of paclobutrazol treatment seedling height and leaf length was significantly lower than the control, while the root-shoot ratio and chlorophyll content was significantly higher than the control, root length and control were similar. The results showed that seed soaking with different concentrations of paclobutrazol could dwarf the sorghum seedlings to varying degrees and improve the lodging resistance.