Evaluation of Zn Uptake by Helianthus annuus, in a Tropical Climate, Using Different Phytoremediation Strategies.

IF 2.7 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Bulletin of Environmental Contamination and Toxicology Pub Date : 2024-09-06 DOI:10.1007/s00128-024-03947-1

Angela Iaffe, Claudio Fernando Mahler, Ricardo Erthal Santelli, Bernardo Ferreira Braz, Cassiano Augusto Rolim Bernardino, Renata Coura Borges

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Abstract

Phytoremediation is a rapidly expanding process due to its technical and economic viability. The objective of this work was to evaluate the phytoremediation potential of Helianthus annuus in three cultivation media: artificially contaminated Catalão soil, hydroponics and roadside soil. In hydroponics, ZnCl₂ doses 0.32 mgL^- 1, 29.94 mgL^- 1, 60.06 mgL^- 1, 119.94 mgL^- 1 were used. While in the artificially contaminated soil, the doses were 0 mgkg^- 1, 299 mgkg^- 1, 599 mgkg^- 1, 1498 mgkg^- 1. Physiological analyzes made it possible to demonstrate that treatments T3 and T4, with the highest concentrations of the metal, inhibited growth and promoted darkening of the roots. The highest Zn contents occurred in the aerial part. The results indicated that Helianthus annuus was classified as hyperaccumulator due to its ability to accumulate high levels of Zn mainly in artificially contaminated soil.

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在热带气候条件下采用不同的植物修复策略评估鹅掌楸对锌的吸收。

植物修复因其技术和经济可行性而迅速发展。这项工作的目的是评估桔梗在三种栽培介质（人工污染的卡塔朗土壤、水培和路边土壤）中的植物修复潜力。在水培法中，使用的氯化锌剂量分别为 0.32 毫克/升- 1、29.94 毫克/升- 1、60.06 毫克/升- 1 和 119.94 毫克/升- 1。而在人工污染的土壤中，使用的剂量分别为 0 毫克/千克-1、299 毫克/千克-1、599 毫克/千克-1 和 1498 毫克/千克-1。生理学分析表明，金属含量最高的处理 T3 和 T4 抑制了植物的生长，并促进根系变黑。气生部分的锌含量最高。结果表明，由于褐花天竺葵能够主要在人工污染的土壤中积累高浓度的锌，因此被归类为高积累植物。

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来源期刊

Bulletin of Environmental Contamination and Toxicology 环境科学-毒理学

CiteScore

5.60

自引率

3.70%

发文量

230

审稿时长

1.7 months

期刊介绍： The Bulletin of Environmental Contamination and Toxicology(BECT) is a peer-reviewed journal that offers rapid review and publication. Accepted submissions will be presented as clear, concise reports of current research for a readership concerned with environmental contamination and toxicology. Scientific quality and clarity are paramount.