不同钙镉化学计量关系对辣椒生理生化影响研究

doi:10.16088/j.issn.1001-6600.2025031402

广西师范大学学报（自然科学版） ›› 2026, Vol. 44 ›› Issue (1): 143-155.doi: 10.16088/j.issn.1001-6600.2025031402

不同钙镉化学计量关系对辣椒生理生化影响研究

颜秋晓^1,2, 魏福晓^1,2, 林绍霞^1,2, 姜阳明^1,2, 邓廷飞^1,2, 王道平^1,2*, 黄冬福³

1.贵州省天然产物研究中心,贵州贵阳 550014;
2.贵州医科大学中药功效成分发掘与利用全国重点实验室, 贵州贵阳 550014;
3.贵州省辣椒研究所,贵州贵阳 550025

收稿日期:2025-03-14 修回日期:2025-05-13 出版日期:2026-01-05 发布日期:2026-01-26
通讯作者: 王道平(1979—),男,贵州遵义人,贵州省天然产物研究中心副研究员。E-mail:Wdp-7897@aliyun.com
作者简介:颜秋晓(1989—),女,贵州毕节人,贵州省天然产物研究中心助理研究员,博士。E-mail: yanqxecho@sina.com
基金资助:
贵州省科技计划项目(黔科合基础-ZK〔2022〕一般299,黔科合基础-ZK〔2022〕一般221);贵州省科技厅中央引导地方科技发展专项(黔科合中引地〔2023〕26号)

Effects of Different Calcium and Cadmium Stoichiometric Relationships on Physiology and Biochemistry in Capsicum annuum L.

YAN Qiuxiao^1,2, WEI Fuxiao^1,2, LIN Shaoxia^1,2, JIANG Yangming^1,2, DENG Tingfei^1,2, WANG Daoping^1,2*, HUANG Dongfu³

1. Guizhou Natural Products Research Center, Guiyang Guizhou 550014, China;
2. National Key Laboratory of Discovery and Utilisation of Efficacy Components of Traditional Chinese Medicine, Guizhou Medical University, Guiyang Guizhou 550014, China;
3. Guizhou Provincial Chilli Research Institute, Guiyang Guizhou 550025, China

Received:2025-03-14 Revised:2025-05-13 Online:2026-01-05 Published:2026-01-26

摘要/Abstract

摘要： 为探索在富钙和高镉背景下,碳酸盐岩地区土壤中不同Ca/Cd比例关系对植物Cd吸收蓄积及其生理生化特征的影响和Ca调控辣椒Cd胁迫的解毒机制,本文采用区域性模拟盆栽试验,分析不同Ca/Cd比对辣椒Cd蓄积特征、生理生化特征的影响。结果表明:Cd协迫下随着辣椒生长,不同Ca/Cd处理对辣椒生长速率影响差异逐渐明显,Ca的增加,叶片光合作用、根活力和生物量显著提高。Ca/Cd比增加促进根系对Cd富集,减少其向茎和叶中转移;同时促进Ca向叶中蓄积,增加了叶中Ca/Cd比,显著增加了抗氧化酶活性(SOD、POD和CAT活性分别增加17%~69%、16%~268%和9%~136%)和脯氨酸含量,而丙二醛和蛋白质羰基含量显著降低。综上,Ca通过增强根对Cd的固定,减少Cd向地上部分的转移过程,并通过增强辣椒的生长发育和抗胁迫能力来调控辣椒Cd耐受性,且这种解毒机制与不同Ca/Cd化学计量密切相关。

关键词: 钙镉比, 辣椒, 镉富集, 生理生化响应, 解毒机制

Abstract: In order to explore the influence mechanism of different Ca/Cd ratios in soil on plant Cd absorption and accumulation and its physiological and biochemical characteristics in carbonate areas with high Ca and Cd background. In this study, the Cd accumulation characteristics, physiological and biochemical characteristics of Capsicum annuum L. (capsicum) were discussed based on different ratios of Ca/Cd in production substrates by using regional simulated pot experiments. The results showed that with the continuous growth of capsicum, the effects of different Ca/Cd treatments on the growth rate of capsicum were gradually obvious, and the photosynthesis, root activity and biomass were significantly improved. The increase of Ca/Cd ratio in the substrate promoted Cd accumulation in roots, reduced Cd transfer to stems and leaves, At the same time, it promoted the accumulation of Ca in leaves, increased the Ca/Cd ratio in leaves, promoted the antioxidant enzyme activity (SOD, POD, and CAT activities increased by 17%-69%, 16%-268%, and 9%-136%, respectively) and proline content of leaves, and the malondialdehyde and protein carbonyls were significantly reduced. In conclusion, Ca regulates Cd tolerance in capsicum by enhancing Cd fixation by roots, reducing the transfer process of Cd to aerial parts, and enhancing growth and development and stress resistance, and this detoxification mechanism is closely related to different Ca/Cd stoichiometry.

Key words: Ca/Cd ratios, Capsicum annuum L., Cd enrichment, physiological and biochemical response, detoxification mechanism

中图分类号: S641.3

颜秋晓, 魏福晓, 林绍霞, 姜阳明, 邓廷飞, 王道平, 黄冬福. 不同钙镉化学计量关系对辣椒生理生化影响研究[J]. 广西师范大学学报（自然科学版）, 2026, 44(1): 143-155.

YAN Qiuxiao, WEI Fuxiao, LIN Shaoxia, JIANG Yangming, DENG Tingfei, WANG Daoping, HUANG Dongfu. Effects of Different Calcium and Cadmium Stoichiometric Relationships on Physiology and Biochemistry in Capsicum annuum L.[J]. Journal of Guangxi Normal University(Natural Science Edition), 2026, 44(1): 143-155.

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不同钙镉化学计量关系对辣椒生理生化影响研究

Effects of Different Calcium and Cadmium Stoichiometric Relationships on Physiology and Biochemistry in Capsicum annuum L.

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