HE Shu-ling,MA Ling-fa,YANG Jing-jun,et al.Effects of Different Concentrations of Urea Solution on Seed Germination of Rhodiola algida var.tangutica[J].Northern Horticulture,2013,37(03):173-175.
不同浓度尿素对唐古特红景天种子萌发的影响
- Title:
- Effects of Different Concentrations of Urea Solution on Seed Germination of Rhodiola algida var.tangutica
- 文章编号:
- 1001-0009(2013)03-0173-03
- Keywords:
- Rhodiola algida var.tangutica; urea solution; seed germination; germination rate; germination energy; germination index
- 分类号:
- S 567.23+9
- 文献标志码:
- A
- 摘要:
- 以唐古特红景天为试材，采用随机区组设计，研究了不同浓度的尿素对藏药唐古特红景天种子发芽率、发芽势和发芽指数的影响，以期探寻唐古特红景天育苗最佳的尿素施肥量，为唐古特红景天的人工栽培提供理论依据。结果表明：尿素溶液对唐古特红景天种子的萌发有显著影响，浓度为0.3 g/L的尿素溶液能极显著促进唐古特红景天种子的发芽率、发芽势和发芽指数等指标；浓度高于0.3 g/L时，对唐古特红景天种子的萌发有抑制作用。
- Abstract:
- Taking Rhodiola algida var. tangutica as material, using single factor randomized block，the effects of urea solution with different conlentrations on seed germination of the seeds of Rhodiola algida var.tangutica were studied，and germination rate，germination energy and germination index were determined.The results showed that urea solution had significant effects on seed germination of Rhodiola algida var.tangutica,when nitrogen content was 0.3 g/L，urea solution had improved respectively their seed germination rate，germination energy，germination index and other indicators.When nitrogen content was increased to more than 0.3 g/L，seed germination was obviously inhaibited.
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备注/Memo
第一作者简介：何淑玲(1975-)，女，陇西人，硕士，讲师，现主要从事藏中药材栽培等研究工作。E-mail：heshuling2010@163.com.