文献类型： 外文期刊
作者： Shao, C.;Liu, J. Y.;Zhang, S. N.;Zhang, Y. Y.
作者机构：
期刊名称： SEED SCIENCE AND TECHNOLOGY
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： The aims of this work were to investigate seed dormancy of Trillium kamtschaticum from the aspect of inhibitory substances, and to test the biological activities of these substances and their roles in seed dormancy. The presence of inhibitory substances in dormant T. kamtschaticum seeds was demonstrated by preparing seed extracts using ethyl acetate, methanol or distilled water and by testing their inhibitory effects on Chinese cabbage (Brassica pekinensis) seeds. The methanol and water extracts significantly inhibited radicle and hypocotyl length of Chinese cabbage seeds however the ethyl acetate extract did not. The results indicate that the inhibitory substances are polar compounds. The inhibitory substance could be extracted from intact seeds of T. kamtschaticum using distilled water at 45 degrees C. Soaking seeds in warm water prior to stratification significantly accelerated germination of T. kamtschaticum seeds.
分类号： S5
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