YANG Yang,PU Chunjuan,WEI Minghui,et al.Effects of Salt Stress on the Growth and Chicoric Acid Content of Taraxacum officinale[J].Northern Horticulture,2026,(1):70-78.[doi:10.11937/bfyy.20252071]
盐胁迫对药用蒲公英生长及菊苣酸含量的影响
- Title:
- Effects of Salt Stress on the Growth and Chicoric Acid Content of Taraxacum officinale
- 文章编号:
- 1001-0009(2026)01-0070-09
- Keywords:
- Taraxacum officinale; salt stress; seed germination; chicoric acid
- 分类号:
- S853.75
- 文献标志码:
- A
- 摘要:
- 以药用蒲公英为试材,采用种子萌发试验及水培法,研究了盐胁迫对蒲公英种子萌发、幼苗生长及菊苣酸含量的影响,并对盐胁迫条件下促进蒲公英种子发芽方法进行初探,以期为药用蒲公英在盐碱地的规模化栽培提供参考依据。结果表明:浓度为0.3%、0.5%、0.7%的盐溶液对蒲公英种子萌发与幼苗生长有显著的抑制作用;在不同程度的盐胁迫条件下,赤霉素对蒲公英种子萌发的促进作用均最好;蒲公英中菊苣酸含量随盐浓度的升高而升高,表明适度盐胁迫对蒲公英中菊苣酸的积累有促进作用。
- Abstract:
- Taking Taraxacum officinale as the test material,seed germination experiments and hydroponic methods were used to study the effects of salt stress on dandelion seed germination,seedling growth,and chicory acid content.The methods for promoting dandelion seed germination under salt stress conditions were also explored,in order to provide reference for the large-scale cultivation of T.officinale in saline alkali land.The results showed that salt solutions at concentrations of 0.3%,0.5%,and 0.7% significantly inhibited seed germination and seedling growth of T.officinale.Under different levels of salt stress,gibberellin showed the most pronounced promoting effect on seed germination.Furthermore,the chicoric acid content of T.officinale increased with rising salt concentrations,suggesting that moderate salt stress could promote the accumulation of chicoric acid.
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备注/Memo
第一作者简介:杨阳(2001-),女,硕士研究生,研究方向为中药资源开发与综合利用。E-mail:202410926@njucm.edu.cn.责任作者:严辉(1980-),男,博士,教授,博士生导师,现主要从事中药资源评价与产品开发等研究工作。E-mail:yanhui@njucm.edu.cn.基金项目:财政部和农业农村部:国家现代农业产业技术体系资助项目(CARS-21);中央本级重大增减支资助项目(2060302)。收稿日期:2025-06-05