Effects of Selenium on the Physiological Characteristics and Chromium Uptake of Eggplant Under Chromium Stress

LIU Xiaojuan; CHENG Bin; ZHAO Ruifen; HUA Xiaozan; WANG Sen; WANG Zhao; REN Zhebin

doi:10.13870/j.cnki.stbcxb.2019.04.050

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Effects of Selenium on the Physiological Characteristics and Chromium Uptake of Eggplant Under Chromium Stress

更新时间：2025-03-12

- Effects of Selenium on the Physiological Characteristics and Chromium Uptake of Eggplant Under Chromium Stress
- Vol. 33, Issue 4, Pages: 357-363(2019)
- 作者机构：
  
  1. 山西大学生物工程学院,太原,030006
  2. 山西省农业科学院农业环境与资源研究所,太原,030031
  3. 山西省农业科学院果树研究所,太原,030031
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2019.04.050
  CLC： S3
- Published：2019
- 稿件说明：
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LIU Xiaojuan, CHENG Bin, ZHAO Ruifen, et al. Effects of Selenium on the Physiological Characteristics and Chromium Uptake of Eggplant Under Chromium Stress[J]. 2019, 33(4): 357-363.
DOI：

LIU Xiaojuan, CHENG Bin, ZHAO Ruifen, et al. Effects of Selenium on the Physiological Characteristics and Chromium Uptake of Eggplant Under Chromium Stress[J]. 2019, 33(4): 357-363. DOI： 10.13870/j.cnki.stbcxb.2019.04.050.

摘要

为探讨硒对茄子中铬胁迫的缓解作用，采用土培盆栽方式，研究了不同铬胁迫水平下，施加不同浓度的硒对茄子生长、生理特性及铬吸收的影响。结果表明，随着铬浓度增加，单一铬处理植株生长明显受到抑制，铬毒害表现为株高、根长、根、茎、叶干重及叶绿素含量受抑制。随着铬浓度的增加，叶片中的叶绿素和可溶性蛋白呈下降趋势，丙二醛（MDA）含量呈上升趋势，超氧化物歧化酶（SOD）、过氧化物酶（POD）和过氧化氢酶（CAT）活性呈先上升后下降的趋势。铬硒混合处理结果表明硒有减轻茄子铬毒害的作用，不同浓度的铬胁迫下，施加不同浓度的硒缓解效果不同，10，20，40，80 mg/kg的铬处理下，分别施用12，24，48，48 mg/kg的硒缓解效果较好，茄子的株高、根长、生物量均有所增加，叶绿素含量、可溶性蛋白含量显著提高，丙二醛含量和植株体内铬的积累降低。

Abstract

To investigate the alleviation of selenium (Se) on the chromium (Cr) toxicity in eggplant

the effects of different concentration of Se on the growth

physiological characteristics and Cr uptake by eggplant under different Cr stress levels were studied by pot experiments. The results showed that with the treatment of single Cr

the plant growth was significantly inhibited with the increase of Cr concentration. The Cr toxicity showed that the plant height

root length

shoot and dry weight and chlorophyll content were inhibited. With the increase of Cr concentrations

the chlorophyll and soluble protein in leaves showed a downward trend

and the content of malondialdehyde (MDA) increased

the activities of superoxide dismutase (SOD)

peroxidase (POD) and catalase (CAT) increased first and then decreased. The results of Cr-Se mixed treatment showed that Se could alleviate the Cr toxicity of eggplant. Under different concentrations of Cr stress

Se applied with different concentrations showed different alleviation effects. Studies showed that under the treatment of 10

40 and 80 mg/kg Cr

the good alleviation effects could be obtained when applied with 12

48 and 48 mg/kg Se respectively. The plant height

root length and biomass of eggplant increased

chlorophyll and soluble protein contents increased significantly

MDA and Cr accumulation in plant decreased.

关键词

Keywords

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