为确定菘蓝种子萌发的适宜条件，将果实在清水中浸泡5 h后剥去果皮，然后将种子置于不同温度、发芽床和光照条件下进行发芽，统计发芽率、发芽势和发芽指数。结果表明，适宜于菘蓝种子发芽温度范围较广，在温度为15～30 ℃时种子发芽率差异不显著，最高可达97.25%，但其发芽势差异显著，以20 ℃最高。纸上和砂上的种子发芽率分别为93.25%和94.50%，与纸间和砂间差异显著。黑暗和光照条件下种子发芽率和发芽势无明显差异。将种子置于纸上，20 ℃黑暗条件是菘蓝种子适宜的发芽方法。发芽势和发芽率的统计时间，初次统计为第2天，末次统计为第5天。

In order to determine the suitable conditions for germination of Isatis indigotica Fort.， the seeds were soaked in clear water for 5 hours and then peeled. The seeds were placed in different temperatures， germination beds and light conditions for germination. The germination rate， germination potential and germination index were calculated. The results showed that suitable for the germination temperature range of the seed was wide， and the germination rate of the seeds was not significantly different between 15～30 ℃， the highest was 97.25%， but the germination potential of the seeds was significantly different， up to 20 ℃. The germination rate of seeds on paper and sand was 93.25% and 94.50%， respectively， which were significantly different from that between paper and sand. There was no significant difference in germination rate and germination power between dark and light conditions. Placing the seeds on paper under dark condition of 20 ℃ is a suitable method for germination of r Isatis indigotica. seeds. The statistical time of germination potential and germination rate was the second day in the first statistics and the fifth day in the last statistics.

S567.21

国家中药材产业技术体系种子种苗扩繁与生产技术岗位项目(9998602179908)；甘肃省中药质量与标准研究重点实验室开放基金资助项目(ZYZL16-006)。