穿心莲种子质量分级标准研究

摘要

[目的]制定穿心莲(Andrographis paniculata)种子质量分级标准.[方法]测定不同来源的穿心莲种子净度、千粒重、水分和发芽率等指标,使用SPSS软件,对千粒重、发芽率数据进行K-均值聚类分析,制定分级标准.[结果]以发芽率为主,综合水分、千粒重及净度4个指标初步制定了穿心莲种子质量分级标准,把穿心莲种子质量等级分为3个等级.[结论]该研究制定的质量分级标准具有生产实用性,可作为穿心莲种子的质量控制标准.%[Objective] To set up a quality grading standard of Andrographis paniculata seeds. [ Method] Seeds samples from different producing areas were tested on respects of quality, such as purity, 1 000-grain weight, moiature content and germination rate, etc.The statistical software SPSS was used to perform the K-means clustering on experimental data. [Result] A three grafte quality standard of Andrographis paniculata seeds was preliminarily set up mainly based on germination rate combining moisture content, 1 000-grain weight,and purity. [Conclusion] The established grading standard was of practical value and could be used as quality control standards for Andrographis paniculate seeds.