中国中药杂志

2009, v.34(01) 26-29

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川泽泻种子形态和发芽特性研究
Studies on shapes and germination characters of Alisma plantago-aquatica seeds

张静;杨文钰;陈兴福;刘卫国;张树平;舒友海;
ZHANG Jing,YANG Wenyu,CHEN Xinfu,LIU Weiguo,ZHANG Shuping,SHU Youhai (Crop Culture & Tillage Science,Sichuan Agriculture University,Ya’an 625014,China)

摘要(Abstract):

目的:研究川泽泻种子形态和发芽特性的差异。方法:采集4个川泽泻地方种,测定其种子净度、千粒重、含水量、生活力和发芽率,研究不同温度对其发芽率的影响。并进一步研究其种子长度、宽度的相关性,以及千粒重、生活力与发芽率之间的相关性。结果:4个川泽泻地方种种子的外观形态和各种物理特性指标都存在显著差异,其中彭山县的种子最大,其长、宽分别为1.882,1.455mm,千粒重、生活力、发芽率均最高,分别为0.4308g,86%,82%。雅安的种子净度最高,含水量最低,依次为92.3%,12.1%。不同温度对其种子的萌发也存在显著差异,不同产地的川泽泻种子发芽率在30℃下均最高。川泽泻种子长度与宽度呈极显著正相关,千粒重分别与其生活力、发芽率均呈显著正相关,用溴麝香草酚蓝法(BTB)法测定的种子生活力与发芽率呈极显著正相关。结论:彭山的种子质量最高,都江堰的次之,五通桥区的最低,这为泽泻的生长发育及栽培生产提供一定的依据。
Objective :To explore the differences of the shapes of seeds and germination characters of Alisma plantago-aquatica. Method:The seeds were collected from four regions in Sichuan province,characters of the seeds′ appearance were observed. The purification,weights per thousand seeds,content of moisture,seed vigor and different germination rates of A. plantago-aquatica were measured. The germination rates of the seeds were determined under different temperature treatments. Result:It was markedly varied in shapes of the seeds,rates of germination and all quality characters of the four local species. The seeds from Pengshan showed the best quality,the weights per thousand,the seed vigor and germination rate were 0.430 8 g,6% and 82%,respectively,and the size of the seed,its width and length were 1.882,1.455 mm,respectively. The length was positively correlated with the width,and so did the weights per thousand seeds with the seed vigor and germination rates. The rate of seed vigor was positively correlated with the rate of germination. Results indicated that temperature had affected the germination of the seed. Conclusion:The seed from Pengshan was the best. The result of this study provides scientific evidences for identification,growth and cultivation of A. plantago-aquatica.

关键词(KeyWords): 川泽泻;种子形态;发芽特性
Alisma plantago-aquatica;shape of seed;germination characters

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作者(Author): 张静;杨文钰;陈兴福;刘卫国;张树平;舒友海;
ZHANG Jing,YANG Wenyu,CHEN Xinfu,LIU Weiguo,ZHANG Shuping,SHU Youhai (Crop Culture & Tillage Science,Sichuan Agriculture University,Ya’an 625014,China)

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