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The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants

The study concerned dissipation of metazachlor and clomazone, herbicides widely used in rapeseed (Brassica napus L. subsp. napus) protection, applied to the clay soil under field and laboratory conditions. Furthermore, the uptake of these pesticide from soil by rapeseed plants was investigated under...

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Autores principales: Szpyrka, Ewa, Słowik-Borowiec, Magdalena, Książek, Paulina, Zwolak, Aneta, Podbielska, Magdalena
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7048729/
https://www.ncbi.nlm.nih.gov/pubmed/32111959
http://dx.doi.org/10.1038/s41598-020-60720-0
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author Szpyrka, Ewa
Słowik-Borowiec, Magdalena
Książek, Paulina
Zwolak, Aneta
Podbielska, Magdalena
author_facet Szpyrka, Ewa
Słowik-Borowiec, Magdalena
Książek, Paulina
Zwolak, Aneta
Podbielska, Magdalena
author_sort Szpyrka, Ewa
collection PubMed
description The study concerned dissipation of metazachlor and clomazone, herbicides widely used in rapeseed (Brassica napus L. subsp. napus) protection, applied to the clay soil under field and laboratory conditions. Furthermore, the uptake of these pesticide from soil by rapeseed plants was investigated under field conditions. An additional aim of this work was to modify the QuEChERS method for the determination of metazachlor and clomazone in the plant material. Analytical procedures for metazachlor and clomazone qualification and quantification in rapeseed plants and soil were developed, using gas chromatography with an micro electron capture detector (GC-μECD) and a mass detector (GC-MS/MS QqQ) as confirmation. Dissipation kinetics of herbicide residues in soil were described as first-order equations. The analytical performance was very satisfactory and confirmed that the methods meet the requirements of the European Commission. In the conducted field experiments it was found that dissipation of clomazone and metazachlor in clay soil follows first-order kinetics (R(2) between 0.964 and 0.978), and half-lives were 9.5 days and 10.2 days for clomazone and metazachlor, respectively. Under laboratory conditions, dissipation of clomazone and metazachlor in soil also follows first-order kinetics (R(2) between 0.937 and 0.938), and half-lives were 8.8 days and 5.7 days for clomazone and metazachlor, respectively. Residues of both herbicides in rape plants 22 days after application of herbicides were below the maximum residue levels for Brassica plants. Metazachlor and clomazone dissipate very fast in clay soil and their uptake by rape plants is very low.
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spelling pubmed-70487292020-03-05 The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants Szpyrka, Ewa Słowik-Borowiec, Magdalena Książek, Paulina Zwolak, Aneta Podbielska, Magdalena Sci Rep Article The study concerned dissipation of metazachlor and clomazone, herbicides widely used in rapeseed (Brassica napus L. subsp. napus) protection, applied to the clay soil under field and laboratory conditions. Furthermore, the uptake of these pesticide from soil by rapeseed plants was investigated under field conditions. An additional aim of this work was to modify the QuEChERS method for the determination of metazachlor and clomazone in the plant material. Analytical procedures for metazachlor and clomazone qualification and quantification in rapeseed plants and soil were developed, using gas chromatography with an micro electron capture detector (GC-μECD) and a mass detector (GC-MS/MS QqQ) as confirmation. Dissipation kinetics of herbicide residues in soil were described as first-order equations. The analytical performance was very satisfactory and confirmed that the methods meet the requirements of the European Commission. In the conducted field experiments it was found that dissipation of clomazone and metazachlor in clay soil follows first-order kinetics (R(2) between 0.964 and 0.978), and half-lives were 9.5 days and 10.2 days for clomazone and metazachlor, respectively. Under laboratory conditions, dissipation of clomazone and metazachlor in soil also follows first-order kinetics (R(2) between 0.937 and 0.938), and half-lives were 8.8 days and 5.7 days for clomazone and metazachlor, respectively. Residues of both herbicides in rape plants 22 days after application of herbicides were below the maximum residue levels for Brassica plants. Metazachlor and clomazone dissipate very fast in clay soil and their uptake by rape plants is very low. Nature Publishing Group UK 2020-02-28 /pmc/articles/PMC7048729/ /pubmed/32111959 http://dx.doi.org/10.1038/s41598-020-60720-0 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Szpyrka, Ewa
Słowik-Borowiec, Magdalena
Książek, Paulina
Zwolak, Aneta
Podbielska, Magdalena
The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants
title The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants
title_full The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants
title_fullStr The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants
title_full_unstemmed The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants
title_short The difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants
title_sort difference in dissipation of clomazone and metazachlor in soil under field and laboratory conditions and their uptake by plants
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7048729/
https://www.ncbi.nlm.nih.gov/pubmed/32111959
http://dx.doi.org/10.1038/s41598-020-60720-0
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