WANG Chunmei,YANG Xiaoxu,ZHANG Taifeng,et al.Effects of Exogenous Allantoin on the Physiological Characteristics of Phaseolus vulgaris Seeds Under Salt Stress[J].Northern Horticulture,2025,(20):42-48.[doi:10.11937/bfyy.20251338]
外源尿囊素对盐胁迫下菜豆种子生理特性的影响
- Title:
- Effects of Exogenous Allantoin on the Physiological Characteristics of Phaseolus vulgaris Seeds Under Salt Stress
- 文章编号:
- 1001-0009(2025)20-0042-07
- Keywords:
- Phaseolus vulgaris; salt stress; allantoin; seed germination
- 分类号:
- S 643.1
- 文献标志码:
- A
- 摘要:
- 以菜豆品种‘P16028’为试材，采用水培萌发的方法，设定清水对照（CK）、盐胁迫（T1）和盐胁迫下添加尿囊素（T6）3个处理，统计种子发芽率、发芽势、发芽指数并测定生理指标，研究了尿囊素对盐胁迫下菜豆种子萌发的缓释效应，以期为提高菜豆在盐胁迫环境下的生长和适应能力提供参考依据。结果表明：在100 mmol·L-1 NaCl模拟的盐胁迫环境中，菜豆种子的萌发遭受明显的抑制，6 mmol·L-1尿囊素浸种处理有效缓解菜豆种子的发芽率、发芽势、发芽指数的降低，提高抗氧化酶活性，增加渗透调节物质含量，降低丙二醛（MDA）含量和超氧阴离子（O·2）产生速率。
- Abstract:
- Taking the Phaseolus vulgaris variety ‘P16028’ as the experimental materials，the hydroponic germination method was used to set up three groups of treatments,water (CK)，salt stress (T1)，and addition of allantoin under salt stress (T6)，to count the seed germination rate，germination potential，and germination indexes，as well as to determine the physiological indexes.The slow-release effect of allantoin on Phaseolus vulgaris seed germination under salt stress was researched,in order to provide reference for increasing Phaseolus vulgaris development and adaptability in salt-stressed environments.The results showed that in the salt stress environment simulated by 100 mmol·L-1 NaCl，the germination of Phaseolus vulgaris seeds suffered significant inhibition，and the 6 mmol·L-1 allantoin immersion treatment effectively alleviated the germination rate，germination potential，and germination index of Phaseolus vulgaris seeds，increased the activity of antioxidant enzymes，increased the content of osmotic regulating substances，and reduced the content of malondialdehyde (MDA) and the production of superoxide anion (O·2).
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备注/Memo
第一作者简介：王春梅（2001-），女，硕士研究生，研究方向为菜豆遗传育种与生物技术。E-mail:296077669@qq.com.责任作者：冯国军（1966-），男，博士，研究员，现主要从事蔬菜遗传育种与生物技术等研究工作。E-mail:feng998@126.com．基金项目：黑龙江省自然科学基金优秀青年基金资助项目（YQ2024C046）；黑龙江省油豆角协同创新推广体系资助项目。收稿日期：2025-04-10