[目的]研究圆齿野鸦椿种子内含物的成分及作用.[方法]以圆齿野鸦椿种子为材料,对其内含物进行提取、分离,并进行白莱籽萌发试验.[结果]不同时期采集的圆齿野鸦椿种子的内、外种皮及胚含有不同种类及浓度的萌发抑制剂.[结论]圆齿野鸦椿种子外种皮、内种皮及胚中抑制萌发物质的存在是引起其休眠的原因之一.%[Objective] The research aimed to study the components and functions of inner substances of Euscaphis konishii Hayata. [ Method ] Taken the seeds of E. Konishii Hayata for materials, and its inner substances were extracted and separated. Then the seed germination tests of cabbage were carried out. [ Result]The results showed that there are different kinds and different concentrations of inner inhibitors existed in outer coat, inner coat and endosperm of seeds of E. Konishii Hayata. [ Conclusion ] It is one of the reason that caused the dormancy of E. Konishii Hayata for the existence of inhibitors of germination existed in outer coat, inner coat and endosperm.
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