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HPLC-DAD-MS identification and quantification of phenolic components in japanese knotweed and american pokeweed extracts and their phytotoxic effect on seed germination [Elektronski vir]Mikulič Petkovšek, Maja ...We performed a detailed HPLC-MSn analysis of the phenolic compounds from the extracts of two invasive alien plant species (IAPS): Japanese knotweed (Fallopia japonica (Houtt.) Ronse Decr.) and ... American pokeweed (Phytolacca americana L.). The major phenolic groups were hydroxycinnamic acids and flavanols in Japanese knotweed (J. knotweed) and flavonols, hydroxycinnamic acids, and stilbenes in American pokeweed (A. pokeweed). We investigated the influence of solvent type and extraction time on the extraction efficiency of the phenolic compounds. The solvent 80% methanol had a higher polyphenolic extraction efficiency than water, since 14.5 times more flavonols and 2.3 times more stilbenes were extracted from J. knotweed and 5.2 times more flavonols and 2.6 times more stilbenes were extracted from A. pokeweed. In contrast, with water, we obtained a 52% higher hydroxycinnamic acids (HCA) content from J. knotweed. Hydroxycinnamic acids were best extracted in water after 24 h, flavanols after 12 h, stilbenes between 12 and 24 h, and flavonol glycosides after 48 h of extraction. We also tested the allelopathic effect of the aqueous extract of A. pokeweed and J. knotweed on seed germination and shoot and root growth of perennial ryegrass. The results showed that the water extract of J. knotweed resulted in 38 to 48% lower seed germination of perennial ryegrass, and the extract of A. pokeweed resulted in 83 to 90% lower seed germination. The phytotoxic effect of the extract of J. knotweed and A. pokeweed was also reflected in a characteristic reduced growth of shoots and roots of perennial ryegrass. The phytotoxic action of IAPS could also be applied for beneficial purposes, since this would be an effective strategy for their control and a reduction of their spread in the environment.Source: [Elektronski vir]. - ISSN 2223-7747 (Vol. 11, iss. 22, art. 3053, 2022, 16 str.)Type of material - e-article ; adult, seriousPublish date - 2022Language - englishCOBISS.SI-ID - 132510979
Author
Mikulič Petkovšek, Maja |
Veberič, Robert |
Hudina, Metka, 1968- |
Mišič, Eva
Topics
invasive alien plant species |
Japanese knotweed |
American pokeweed |
phenolic compounds |
HPLC-MS |
phytotoxic effect |
germination |
invazivne tujerodne rastlinske vrste |
japonski dresnik |
ameriški pokeweed |
Fallopia japonica |
Phytolacca americana |
fenolne spojine |
fitotoksični učinek |
kalitev
Author | Mikulič Petkovšek, Maja ... |
Title | HPLC-DAD-MS identification and quantification of phenolic components in japanese knotweed and american pokeweed extracts and their phytotoxic effect on seed germination [Elektronski vir] |
Publication date | 2022-11-11 |
COBISS.SI-ID | 132510979 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Hortikultura | P4-0013-2015 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Link |
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https://www.mdpi.com/2223-7747/11/22/3053 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=142963 |
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Mikulič Petkovšek, Maja | 23631 |
Veberič, Robert | 20165 |
Hudina, Metka, 1968- | 14033 |
Mišič, Eva |
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