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Plant growth regulators-assisted phytoextraction

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Biologia Plantarum

Abstract

Plant growth regulators (PRG)-assisted phytoremediation is a technique that could enhance the yield of heavy metal accumulation in plant tissues. So far, a small number of experiments have helped identify three groups of plant hormones that may be useful for this purpose: auxins, cytokinins, and gibberellins. Studies have shown that these hormones positively affect the degree of accumulation of metallic impurities and improve the growth and stress resistance of plants. This review summarizes the present knowledge about PGRs’ impact on phytoextraction yield.

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Abbreviations

ABA:

abscisic acid

BAP:

6-benzylaminopurine

EDDS:

ethylenediamine-N,N′-disuccinic acid

EDTA:

ethylenediaminetetraacetic acid

GA3 :

gibberellic acid

IAA:

indole-3-acetic acid

IBA:

indole-3-butyric acid

JA:

jasmonic acid

NAA:

naphthylacetic acid

NLMMOA:

natural low molecular mass organic acids

NTA:

nitrilotriacetic acid

PAA:

phenylacetic acid

PGR:

plant growth regulators

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  1. Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, PL-20290, Lublin, Poland

    P. Bulak, A. Walkiewicz & M. Brzezińska

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  1. P. Bulak
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  2. A. Walkiewicz
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Correspondence to P. Bulak.

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Acknowledgments: The authors would like to thank an anonymous reviewer for valuable comments and for the work he has put into creating the review. This paper was partly financed from the funds of the National Centre for Research and Development in Poland in the frame of the project: Knowledge Hub FACCE JPI “Modelling European Agriculture with Climate Change for Food Security” (MACSUR, P162).

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Bulak, P., Walkiewicz, A. & Brzezińska, M. Plant growth regulators-assisted phytoextraction. Biol Plant 58, 1–8 (2014). https://doi.org/10.1007/s10535-013-0382-5

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