SU Yanbin,LIU Lujiang,QI Deming,et al.Study on Seed Germination Characteristics of Sedum aizoon[J].Northern Horticulture,2016,40(19):168-170.[doi:10.11937/bfyy.201619042]
景天三七种子萌发特性研究
- Title:
- Study on Seed Germination Characteristics of Sedum aizoon
- Keywords:
- Sedum aizoon; seed germination; germination rate
- 文献标志码:
- A
- 摘要:
- 以景天三七（Sedum aizoon）种子为试材，研究了光照、温度及不同发芽床条件等3个因素对景天三七种子萌发的影响。结果表明：景天三七种子萌发对光照不敏感，为光中性种子；温度是影响其种子萌发的重要生态因子，综合发芽率、发芽势、发芽指数得出其萌发最适温度为25 ℃,发芽率为92.8%。滤纸床和土床培养条件下，景天三七发芽率没有显著差异。但与滤纸床相比，土床可以显著提高其种子发芽速率和发芽整齐度。该研究结果对于了解景天三七种子萌发特性，指导其工厂化育苗提供了理论依据。
- Abstract:
- The seeds of Sedum aizoon were used as material，the effect of light，temperature and bed conditions on the seed germination of Sedum aizoon were studied.The results showed that seed germination of Sedum aizoon was not sensitive to light，referred as light neutral seeds.Temperature was the important ecological affecting factor for seed germination of Sedum aizoon and the optimum temperature was 25 ℃ considering germination rate，germination potential，germination index，with germination rate of 92.8%.There was no significant difference for Sedum aizoon seed germination rate between soil bed and filter paper bed.However，compared to filter paper bed，soil bed could improve the seed germination speed and uniformity significantly.This study provided a theoretical basis for understanding the germination characteristics and guiding the factory nursery of Sedum aizoon.
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备注/Memo
第一作者简介：苏彦宾（1984-），男，河北石家庄人，博士，技术员，现主要从事景观园艺研究开发等工作。E-mail:suyanbin_223@126.com.责任作者：刘鲁江（1965-），男，黑龙江牡丹江人，博士，农艺师，现主要从事设施园艺技术和现代都市农业研发及推广等工作。E-mail：401690835@qq.com.基金项目：国家现代农业大宗蔬菜产业技术体系资助项目（CARS-25-D-04）。