SHI Yan-cai,ZOU Rong,WEI Ji-qing,et al.Study on Germination Characteristics of Polygala fallax Hemsl.Seeds[J].Northern Horticulture,2013,37(19):159-161.
黄花倒水莲种子萌发特性研究
- Title:
- Study on Germination Characteristics of Polygala fallax Hemsl.Seeds
- 文章编号:
- 1001-0009（2013）19-0159-03
- Keywords:
- Polygala fallax Hemsl.; seed; germination; temperature; soaking time
- 分类号:
- S 567
- 文献标志码:
- A
- 摘要:
- 以黄花倒水莲种子为试材，研究了温度、光照、发芽基质、成熟度、晾晒时间、GA3浸种浓度对其发芽率的影响。结果表明：不同温度下发芽率大小顺序依次为25℃＞20℃＞20/30℃＞30℃；适宜温度条件下，光照和种子附属物对种子发芽率影响较小；基本成熟的种子发芽率最高；随着晾晒时间加长，发芽率呈降低趋势；GA3浸种6 h能提高种子的发芽率，延长浸种时间，种子发芽率急剧下降。黄花倒水莲种子最佳发芽条件为温度25℃、光照、发芽基质黄泥；100 mg/L的GA3浸种6 h效果较好；种子基本成熟时就应采收，阴干后及时保存或播种。
- Abstract:
- Taking Polygala fallax Hemsl.seeds as materials，the effect of temperature(20℃,25℃,25/30℃,30℃) and light，germination substrate，maturity of seeds,drying time,gibberellin soaking concentration on the germination rate of it were studied.The results showed that the trend of the germination rate increased was 25℃＞20℃＞20/30℃＞30℃.The light and appurtenances had limited effect on the germination of the seed.The germination of the seeds reached the maximal when the seed was maturity.The germination of the seeds increased after 100 mg/L gibberellin treated 6 hours and decreased when the soaking time was from 6 to 24 hours.The optimal condition for the germination of Polygala fallax Hemsl.seeds was as follow：germination substrate loess，temperature 25℃ under light.The seed should be harvested and saved in time.
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备注/Memo
第一作者简介：史艳财（1984-），男，山西孝义人，硕士，现主要从事药用植物与分子生物学等研究工作。E-mail:shiyancainan@163.com.