[1]赵兴梅,胡宇聪,谢琪琪,等.硫酸亚铁对六价铬[Cr(Ⅵ)]污染条件下水稻幼苗生长的影响[J].江苏农业学报,2025,(12):2307-2314.[doi:doi:10.3969/j.issn.1000-4440.2025.11.003]
　ZHAO Xingmei,HU Yucong,XIE Qiqi,et al.Effects of ferrous sulfate on the growth of rice seedlings under Cr(Ⅵ) pollution conditions[J].,2025,(12):2307-2314.[doi:doi:10.3969/j.issn.1000-4440.2025.11.003]
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硫酸亚铁对六价铬[Cr(Ⅵ)]污染条件下水稻幼苗生长的影响()

江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2025年12期
页码:
2307-2314
栏目:
遗传育种·生理生化
出版日期:
2025-12-31

文章信息/Info

Title:
Effects of ferrous sulfate on the growth of rice seedlings under Cr(Ⅵ) pollution conditions
作者:
赵兴梅; 胡宇聪; 谢琪琪; 张云华; 鲁洪娟
(农田生态保育与污染防控安徽省重点实验室/安徽农业大学资源与环境学院,安徽合肥230036)
Author(s):
ZHAO Xingmei; HU Yucong; XIE Qiqi; ZHANG Yunhua; LU Hongjuan
(Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention/School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China)
关键词:
六价铬; 硫酸亚铁; 水稻幼苗; 酶
Keywords:
hexavalent chromium; ferrous sulfate; rice seedlings; enzyme
分类号:
S511
DOI:
doi:10.3969/j.issn.1000-4440.2025.11.003
文献标志码:
A
摘要:
为探究硫酸亚铁对六价铬[Cr(Ⅵ)]污染条件下水稻幼苗铬吸收、积累的影响,采用土壤盆栽的方法,基于同一重铬酸钾(K2Cr2O7)含量基础上添加不同含量梯度的FeSO4·7H2O,共设置6个处理[分别为CK(FeSO4·7H2O添加量为0 mg/kg)、T1(FeSO4·7H2O添加量为40 mg/kg)、T2(FeSO4·7H2O添加量为80 mg/kg)、T3(FeSO4·7H2O添加量为120 mg/kg)、T4(FeSO4·7H2O添加量为160 mg/kg)、T5(FeSO4·7H2O添加量为200 mg/kg)],研究FeSO4·7H2O对铬污染条件下水稻幼苗的生长、铬吸收状况及抗氧化系统的影响。结果表明,T3处理、T5处理茎叶鲜重和根系鲜重显著高于CK(P<0.05)；添加FeSO4·7H2O后,水稻地上部和根系的铬含量显著下降(P<0.05)。FeSO4·7H2O可以显著降低土壤Cr(Ⅵ)含量 (P<0.05)；此外,施用适量FeSO4·7H2O能有效提高土壤脲酶和土壤过氧化氢酶的活性以及水稻过氧化物酶(POD)和谷胱甘肽S转移酶(GST)的活性。总之,施用适量硫酸亚铁能够提高水稻抗氧化酶的活性,增强水稻对铬胁迫的耐受性,增加水稻幼苗的生物量,减少土壤和水稻中Cr(Ⅵ)的含量,减轻Cr(Ⅵ)对水稻的毒害作用。
Abstract:
In order to explore the effect of ferrous sulfate on the absorption and accumulation of chromium in rice seedlings under Cr(Ⅵ) pollution conditions, the method of soil potting was adopted. Based on the same potassium dichromate (K2Cr2O7) content, different content gradients of FeSO4·7H2O were added. A total of six treatments were set up, namely CK (with an addition of FeSO4·7H2O of 0 mg/kg), T1 (with an addition of FeSO4·7H2O of 40 mg/kg), T2 (with an addition of FeSO4·7H2O of 80 mg/kg), and T3 (with an addition of FeSO4·7H2O of 120 mg/kg), T4 (with an addition of FeSO4·7H2O of 160 mg/kg), and T5 (with an addition of FeSO4·7H2O of 200 mg/kg), to investigate the influence of FeSO4·7H2O on the growth, chromium uptake and the antioxidant system of rice seedlings under chromium stress. The results showed that the fresh weights of stems, leaves and roots in treatments T3 and T5 were significantly higher than those in CK(P<0.05). After the addition of FeSO4·7H2O, the chromium content in the aboveground and root systems of rice decreased significantly (P<0.05). Addition of FeSO4·7H2O could significantly reduce the Cr(Ⅵ) content in soil (P<0.05). In addition, the application of an appropriate amount of FeSO4·7H2O could effectively enhance the activities of soil urease and soil catalase, as well as the activities of rice peroxidase (POD) and glutathione S-transferase (GST). In conclusion, the application of appropriate ferrous sulfate can enhance the activity of antioxidant enzymes in rice, strengthen its resistance to chromium stress, increase the biomass of rice seedlings, reduce the content of Cr(Ⅵ) in the soil and rice, and alleviate the toxic effects of Cr(Ⅵ) on rice.

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备注/Memo

备注/Memo:
收稿日期：2025-01-24基金项目：国家重点研发计划项目(2023YFD2302900)；2021、2022淮南市耕地质量等级更新评价项目(KJ2021553)作者简介：赵兴梅(2001-),女,安徽合肥人,硕士研究生,从事重金属污染修复方面的研究。(E-mail)3335227153@qq.com通讯作者：鲁洪娟,(E-mail)hjlu@ahau.edu.cn
更新日期/Last Update: 2026-01-20