醋酸钙增强了蜈蚣草的抗旱性和砷积累

IF 3.6 4区环境科学与生态学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY

Environmental Pollutants and Bioavailability Pub Date : 2022-12-27 DOI:10.1080/26395940.2022.2161947

Guosheng Wang, Zhen Wang, Fei Zhao, Junxiu Chen, Yanshan Chen

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引用次数: 2

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Calcium acetate enhances both drought tolerance and arsenic accumulation in Pteris vittata

ABSTRACT Pteris vittata, the first discovered arsenic (As) hyperaccumulator, has great potential in As-contaminated soil remediation. However, as a fern, it is sensitive to water deficiency. In this study, acetic acid and calcium acetate were added to As-contaminated soils in pots to investigate their effects on the drought tolerance, growth and As remediation efficiency of P. vittata. Comparing with the plants pretreated with municipal drinking water, plants pretreated with 20 mM acetic acid or calcium acetate solutions exhibited strikingly increased drought tolerance. In addition, 20 mM calcium acetate significantly increased shoot As concentration by 165% and the total shoot As amount by 55.1%, probably due to the elevated soil pH and a subsequent 14.2% increase of soil available As. Taken together, this study demonstrates that the appropriate application of calcium acetate can enhance both drought tolerance and As accumulation in P. vittata, which is of significance for the phytoremediation.

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来源期刊

Environmental Pollutants and Bioavailability Chemical Engineering-Chemical Health and Safety

CiteScore

4.30

自引率

3.00%

发文量

审稿时长

13 weeks

期刊介绍： Environmental Pollutants & Bioavailability is a peer-reviewed open access forum for insights on the chemical aspects of pollutants in the environment and biota, and their impacts on the uptake of the substances by living organisms. Topics include the occurrence, distribution, transport, transformation, transfer, fate, and effects of environmental pollutants, as well as their impact on living organisms. Substances of interests include heavy metals, persistent organic pollutants, and emerging contaminants, such as engineered nanomaterials, as well as pharmaceuticals and personal-care products as pollutants.