Biochemical-physiological responses of Reseda lutea, Epilobium dodonaei, and Gentianella ciliata to stress in an open pit of an abandoned iron mine.

IF 3.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Adisa Parić, Edina Muratović, Senad Murtić, Mirel Subašić, Fatima Pustahija
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Abstract

The photosynthetic pigments, antioxidant properties, and heavy metal content in Reseda lutea, Epilobium dodonaei, and Gentianella ciliata were examined in response to stress in the open pit of an abandoned iron mine. The soils were shallow, alkaline, and severely deficient in phosphorus, potassium, and humus. Heavy metal concentrations in the rhizospheres followed the order Fe > Mn > Pb > Zn > Cu > Ni > Cr > Cd for all three species, with Cu, Zn, and Pb exceeding the limits established by Bosnian legislation. The results indicated that the bioelements Cu, Zn, and Mn were within permissible limits set by FAO/WHO. Epilobium dodonaei acted as a Cd accumulator. The highest content of photosynthetic pigments was observed in this species. Positive correlations were detected between Cr and total phenolics, Cr and total flavonoids in E. dodonaei, Pb and total phenolic acids in G. ciliata. Negative correlations were noted between Zn and total phenolic acids in R. lutea, and Fe and total phenolics in E. dodonaei. Increased total proline and DPPH concentrations were associated with heightened Fe levels in E. dodonaei. These findings suggest that the species analyzed employ distinct defense mechanisms, enabling them to effectively adapt to stress.

废铁矿露天坑中黄斑草、铁皮绒螯虾和纤毛龙胆对胁迫的生化生理响应
在某废弃铁矿露天采场中,研究了黄檀(Reseda lutea)、dodonaeb Epilobium dodonaei)和龙胆(gentiella ciliata)光合色素、抗氧化性能和重金属含量对胁迫的响应。土壤浅,呈碱性,严重缺乏磷、钾和腐殖质。三种植物根际重金属浓度依次为Fe > Mn > Pb > Zn > Cu > Ni > Cr > Cd,其中Cu、Zn和Pb均超过波斯尼亚立法规定的限值。结果表明,生物元素Cu、Zn、Mn均在FAO/WHO标准允许范围内。dodonaei Epilobium dodonaei具有Cd蓄能器的作用。其光合色素含量最高。金银花中Cr与总酚类物质、Cr与总黄酮、纤毛中Pb与总酚酸呈正相关。黄叶参中Zn与总酚酸呈显著负相关,黄颡鱼中Fe与总酚酸呈显著负相关。总脯氨酸和DPPH浓度升高与多纳氏e.d odonaei体内铁水平升高有关。这些发现表明,所分析的物种采用独特的防御机制,使它们能够有效地适应压力。
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来源期刊
International Journal of Phytoremediation
International Journal of Phytoremediation 环境科学-环境科学
CiteScore
7.60
自引率
5.40%
发文量
145
审稿时长
3.4 months
期刊介绍: The International Journal of Phytoremediation (IJP) is the first journal devoted to the publication of laboratory and field research describing the use of plant systems to solve environmental problems by enabling the remediation of soil, water, and air quality and by restoring ecosystem services in managed landscapes. Traditional phytoremediation has largely focused on soil and groundwater clean-up of hazardous contaminants. Phytotechnology expands this umbrella to include many of the natural resource management challenges we face in cities, on farms, and other landscapes more integrated with daily public activities. Wetlands that treat wastewater, rain gardens that treat stormwater, poplar tree plantings that contain pollutants, urban tree canopies that treat air pollution, and specialized plants that treat decommissioned mine sites are just a few examples of phytotechnologies.
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