HAN Xue.Effect of Exogenous Salicylic Acid on Seeds Germination of the Tagetespatula L. Under Salt Stress[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(02):91-92.[doi:10.11942/j.issn1002-2767.2016.02.0091]
外源水杨酸对盐胁迫下孔雀草种子萌发的影响
- Title:
- Effect of Exogenous Salicylic Acid on Seeds Germination of the Tagetespatula L. Under Salt Stress
- 文章编号:
- 1002-2767（2016）02-0091-02
- Keywords:
- salicylic acid; Tagetespatula L.; salt injury; seed germination
- 分类号:
- S68
- 文献标志码:
- A
- 摘要:
- 为明确外源水杨酸（SA）对孔雀草耐盐性的影响，用不同浓度SA处理盐胁迫下的孔雀草种子，记录种子萌发率，探讨外源水杨酸对盐胁迫下孔雀草种子萌发的影响。结果表明：5 g·L-1NaCl盐溶液处理后，显著降低孔雀草种子的发芽势、发芽率、发芽指数以及芽长。在盐胁迫条件下，随着SA浓度的增加，孔雀草种子发芽势、发芽率、发芽指数以及芽长均呈现先升后降的趋势，且以0.5 g·L-1SA达最大值。NaCl盐胁迫抑制孔雀草种子萌发，而添加适宜浓度的SA能缓解盐胁迫作用，以0.5 g·L-1SA效果最好。
- Abstract:
- In order to clear the the effect of exogenous salicylic acid (SA) on the Tagetespatula L. seeds germination under salt stress,the effect of different concentrations of SA on seeds germination under salt stress was studied,and the seed germination rate was recorded.The results showed that 5 g·L-1 salt solution significantly reduced the germination potential,germination rate,germination index and long shootsd.The results showed that under salt stress conditions,with the increasomg of concentration of SA,the germination potential,germination rate,germination index and long shoots were increased first and then decreased,and 0.5 g·L-1 SA could make them reached maximum.NaCl salt stress inhibited the germination,and adding the appropriate concentration of SA could alleviate salt stress,so 0.5 g·L -1 SA was the best.
参考文献/References:
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备注/Memo
韩雪(1981-)，女，山东省寿光市人，硕士，讲师，从事园林植物造景、园林景观设计方面的研究工作。