盐胁迫条件下日本葡萄干对硝酸盐和铅的吸收能力评价

IF 2.1 4区 生物学 Q2 Agricultural and Biological Sciences Caryologia Pub Date : 2023-04-28 DOI:10.36253/caryologia-1827
S. M. Hosseini, S. KalateJari, M. Kafi, B. Motesharezadeh
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引用次数: 0

摘要

重金属污染是人类活动带来的一个重要挑战,这种压力在盐度下会减少。本研究的目的是研究在盐胁迫(0为对照,3和6 dSm-1)下,日本葡萄干对硝酸盐(0、30和60 mg -1)和铅(0、300和600 mg -1)的吸收能力。结果表明,在铅和盐胁迫条件下,所研究的植株继续吸收硝酸盐和钾。虽然植物对Na和Cl的吸收是一种防御机制,但K/Na比和K含量分别从1增加到6和从1.8增加到5%。在300 mg Pb污染水平和3 dSm-1盐度水平下的生理反应最为适宜,在这些HMs和盐度水平下,丙二醛(MDA)的合成和酶活性均有所增加。结果表明,在实验条件下,所研究物种能够吸收中等浓度的Pb (34.1 ~ 71mg kg-1)。因此,研究人员可以考虑其对环境中某些污染物的净化潜力进行进一步研究。
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Assessment of the absorption ability of nitrate and lead by japanese raisin under salt stress conditions
Heavy metals pollution is an important challenge that was cussed by human activity, this stress decreases under salinity. The aim of this study was to investigate the ability of Japanese raisin in the absorption of nitrate (0, 30, and 60 mgL-1) and lead (0, 300, and 600 mgL-1) under salinity stress (0 as control and 3 and 6 dSm-1). Results showed that the studied plant continued to uptake nitrate and potassium under stress conditions of Pb and salinity. Although Na and Cl uptake were observed as a defense mechanism in the plant, the K/Na ratio, and K content increased from 1 to 6 and from 1.8 to 5%, respectively. Also, the most appropriate physiological responses were observed at treatments under contamination level of 300 mg Pb and salinity level of 3 dSm-1, so that the synthesis of malondialdehyde (MDA) and enzymatic activity increased at these levels of HMs and salinity. Based on the results, the studied species were able to uptake moderate concentrations of Pb (34.1-71mg kg-1) under experimental conditions. Hence, its potential for the clean-up of some contaminants in the environment can be considered by researchers for further research.
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来源期刊
Caryologia
Caryologia 生物-遗传学
CiteScore
1.60
自引率
23.80%
发文量
26
审稿时长
12 months
期刊介绍: Caryologia is devoted to the publication of original papers, and occasionally of reviews, about plant, animal and human karyological, cytological, cytogenetic, embryological and ultrastructural studies. Articles about the structure, the organization and the biological events relating to DNA and chromatin organization in eukaryotic cells are considered. Caryologia has a strong tradition in plant and animal cytosystematics and in cytotoxicology. Bioinformatics articles may be considered, but only if they have an emphasis on the relationship between the nucleus and cytoplasm and/or the structural organization of the eukaryotic cell.
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