ZHANG Lei,LI Yong-jie,WANG Ya-ru,et al.Effect of Seawater Stress on Scutellaria barbata Seed Germination[J].Northern Horticulture,2013,37(13):69-72.
海水胁迫对半枝莲种子萌发的影响
- Title:
- Effect of Seawater Stress on Scutellaria barbata Seed Germination
- 文章编号:
- 1001-0009（2013）13-0069-04
- Keywords:
- Scutellaria barbata D.; seed germination; seawater stress
- 分类号:
- Q 94578
- 文献标志码:
- A
- 摘要:
- 以半枝莲种子为试材，研究比较了0%、1%、5%、10%、15%、20%、30%不同浓度梯度的海水胁迫对半枝莲种子萌发和生长状况的影响，分析半枝莲对盐碱的耐受性。结果表明：半枝莲种子萌发的各项指标随海水浓度的升高均有不同程度的降低。海水浓度在15%以下时，半枝莲种子的发芽率和发芽指数均与对照组无差异；发芽势在海水浓度为1%时与对照无差异；简化活力指数、茎叶及幼根长在海水浓度为30%时，与对照组相比仍未表现出明显差异；且较低浓度的海水可以刺激半枝莲茎叶、幼根的生长。说明半枝莲种子对低浓度海水具有一定的耐受性。
- Abstract:
- Taking Scutellaria barbata D.seeds as test materials,the effects of different concentrations of seawater （0%,1%,5%,10%,15%,20%,30%） on Scutellaria barbata D.seeds germination and growth were tested，and the saline alkali tolerance of Scutellaria barbata D.was studied.The results showed that all indexes in the examinations were degraded to varying degrees with seawater concentration increased.Seed germination，germination index within 15% seawater concentration，germination potential within 1% seawater concentration，simplified vigor index，seedling length and root length within 30% seawater concentration were found no significant difference compared with the control.And low seawater concentrations could stimulate the seedling length and root length.Results suggested that the tolerance of low seawater concentrations were observed in Scutellaria barbata D.
参考文献/References:
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备注/Memo
第一作者简介：张雷（1980-），男，江苏连云港人，硕士，实验师，现主要从事植物学教学与研究工作。E-mail：yutian0927@126.com.