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Copper uptake kinetics in hydroponically-grown durum wheat (Triticum turgidum durum L.) as compared with soil's ability to supply copper

This study investigated (a) net Cu uptake kinetics in durum wheat (Triticum turgidum durum L.) exposed to free Cu2+ activities in solution ranging from 0.4 to 2,420 nM and (b) the relative importance of plant uptake and soil's ability to supply Cu2+ to the roots. Plant Cu flux showed a hyperbolic sh... Full description

Journal Title: Plant and soil 2010, Vol.331 (1/2), p.91-104
Main Author: Bravin, Matthieu N
Other Authors: Le Merrer, Bastien , Denaix, Laurence , Schneider, André , Hinsinger, Philippe
Format: Electronic Article Electronic Article
Language: English
Subjects:
aos
fao
org
Publisher: Dordrecht: Springer
ID: ISSN: 0032-079X
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recordid: cdi_hal_primary_oai_HAL_hal_02658167v1
title: Copper uptake kinetics in hydroponically-grown durum wheat (Triticum turgidum durum L.) as compared with soil's ability to supply copper
format: Article
creator:
  • Bravin, Matthieu N
  • Le Merrer, Bastien
  • Denaix, Laurence
  • Schneider, André
  • Hinsinger, Philippe
subjects:
  • Acid soils
  • Agricultural soils
  • Agronomy. Soil science and plant productions
  • agrovoc
  • aims
  • Analysis
  • Animal, plant and microbial ecology
  • aos
  • beverages
  • Bioavailability
  • Biological and medical sciences
  • Biomedical and Life Sciences
  • c_1868
  • c_7958
  • Calcareous soils
  • Chimie et physique du sol
  • Copper
  • croissance et développement
  • Cuivre
  • Durum wheat
  • Ecology
  • fao
  • food
  • Fundamental and applied biological sciences. Psychology
  • General agronomy. Plant production
  • http
  • Hydroponics
  • Kinetics
  • Life Sciences
  • org
  • Physiologie végétale
  • Plant biology
  • Plant Physiology
  • Plant roots
  • Plant Sciences
  • Plants
  • Regular Article
  • Soil contamination
  • Soil pollution
  • Soil science
  • Soil Science & Conservation
  • Soil-plant relationships. Soil fertility
  • Soil-plant relationships. Soil fertility. Fertilization. Amendments
  • Triticum turgidum
  • Vegetal Biology
  • Wheat
  • Wheat soils
ispartof: Plant and soil, 2010, Vol.331 (1/2), p.91-104
description: This study investigated (a) net Cu uptake kinetics in durum wheat (Triticum turgidum durum L.) exposed to free Cu2+ activities in solution ranging from 0.4 to 2,420 nM and (b) the relative importance of plant uptake and soil's ability to supply Cu2+ to the roots. Plant Cu flux showed a hyperbolic shape, enabling to estimate the Michaelis–Menten kinetic parameters (Fmax and KM) for durum wheat. Plant Cu flux was then compared with soil Cu flux as assessed by the Diffusive Gradient in Thin film technique on seven soil samples. This comparison suggested that the rate-limiting process of Cu bioavailability to durum wheat would be plant uptake kinetics in most contaminated soils with the exception of moderately contaminated, calcareous soils. However, theoretical considerations targeted soil's ability to supply Cu as the rate-limiting process in most soils for Cu (hyper-) accumulator plants with requirement larger than that of common crop species.
language: eng
source:
identifier: ISSN: 0032-079X
fulltext: no_fulltext
issn:
  • 0032-079X
  • 1573-5036
url: Link


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titleCopper uptake kinetics in hydroponically-grown durum wheat (Triticum turgidum durum L.) as compared with soil's ability to supply copper
creatorBravin, Matthieu N ; Le Merrer, Bastien ; Denaix, Laurence ; Schneider, André ; Hinsinger, Philippe
creatorcontribBravin, Matthieu N ; Le Merrer, Bastien ; Denaix, Laurence ; Schneider, André ; Hinsinger, Philippe
descriptionThis study investigated (a) net Cu uptake kinetics in durum wheat (Triticum turgidum durum L.) exposed to free Cu2+ activities in solution ranging from 0.4 to 2,420 nM and (b) the relative importance of plant uptake and soil's ability to supply Cu2+ to the roots. Plant Cu flux showed a hyperbolic shape, enabling to estimate the Michaelis–Menten kinetic parameters (Fmax and KM) for durum wheat. Plant Cu flux was then compared with soil Cu flux as assessed by the Diffusive Gradient in Thin film technique on seven soil samples. This comparison suggested that the rate-limiting process of Cu bioavailability to durum wheat would be plant uptake kinetics in most contaminated soils with the exception of moderately contaminated, calcareous soils. However, theoretical considerations targeted soil's ability to supply Cu as the rate-limiting process in most soils for Cu (hyper-) accumulator plants with requirement larger than that of common crop species.
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languageeng
publisherDordrecht: Springer
subjectAcid soils ; Agricultural soils ; Agronomy. Soil science and plant productions ; agrovoc ; aims ; Analysis ; Animal, plant and microbial ecology ; aos ; beverages ; Bioavailability ; Biological and medical sciences ; Biomedical and Life Sciences ; c_1868 ; c_7958 ; Calcareous soils ; Chimie et physique du sol ; Copper ; croissance et développement ; Cuivre ; Durum wheat ; Ecology ; fao ; food ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; http ; Hydroponics ; Kinetics ; Life Sciences ; org ; Physiologie végétale ; Plant biology ; Plant Physiology ; Plant roots ; Plant Sciences ; Plants ; Regular Article ; Soil contamination ; Soil pollution ; Soil science ; Soil Science & Conservation ; Soil-plant relationships. Soil fertility ; Soil-plant relationships. Soil fertility. Fertilization. Amendments ; Triticum turgidum ; Vegetal Biology ; Wheat ; Wheat soils
ispartofPlant and soil, 2010, Vol.331 (1/2), p.91-104
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descriptionThis study investigated (a) net Cu uptake kinetics in durum wheat (Triticum turgidum durum L.) exposed to free Cu2+ activities in solution ranging from 0.4 to 2,420 nM and (b) the relative importance of plant uptake and soil's ability to supply Cu2+ to the roots. Plant Cu flux showed a hyperbolic shape, enabling to estimate the Michaelis–Menten kinetic parameters (Fmax and KM) for durum wheat. Plant Cu flux was then compared with soil Cu flux as assessed by the Diffusive Gradient in Thin film technique on seven soil samples. This comparison suggested that the rate-limiting process of Cu bioavailability to durum wheat would be plant uptake kinetics in most contaminated soils with the exception of moderately contaminated, calcareous soils. However, theoretical considerations targeted soil's ability to supply Cu as the rate-limiting process in most soils for Cu (hyper-) accumulator plants with requirement larger than that of common crop species.
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9Bioavailability
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32Plant Physiology
33Plant roots
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36Regular Article
37Soil contamination
38Soil pollution
39Soil science
40Soil Science & Conservation
41Soil-plant relationships. Soil fertility
42Soil-plant relationships. Soil fertility. Fertilization. Amendments
43Triticum turgidum
44Vegetal Biology
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titleCopper uptake kinetics in hydroponically-grown durum wheat (Triticum turgidum durum L.) as compared with soil's ability to supply copper
authorBravin, Matthieu N ; Le Merrer, Bastien ; Denaix, Laurence ; Schneider, André ; Hinsinger, Philippe
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41Soil-plant relationships. Soil fertility
42Soil-plant relationships. Soil fertility. Fertilization. Amendments
43Triticum turgidum
44Vegetal Biology
45Wheat
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1Le Merrer, Bastien
2Denaix, Laurence
3Schneider, André
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atitleCopper uptake kinetics in hydroponically-grown durum wheat (Triticum turgidum durum L.) as compared with soil's ability to supply copper
jtitlePlant and soil
stitlePlant Soil
date2010-06-01
risdate2010
volume331
issue1/2
spage91
epage104
pages91-104
issn0032-079X
eissn1573-5036
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abstractThis study investigated (a) net Cu uptake kinetics in durum wheat (Triticum turgidum durum L.) exposed to free Cu2+ activities in solution ranging from 0.4 to 2,420 nM and (b) the relative importance of plant uptake and soil's ability to supply Cu2+ to the roots. Plant Cu flux showed a hyperbolic shape, enabling to estimate the Michaelis–Menten kinetic parameters (Fmax and KM) for durum wheat. Plant Cu flux was then compared with soil Cu flux as assessed by the Diffusive Gradient in Thin film technique on seven soil samples. This comparison suggested that the rate-limiting process of Cu bioavailability to durum wheat would be plant uptake kinetics in most contaminated soils with the exception of moderately contaminated, calcareous soils. However, theoretical considerations targeted soil's ability to supply Cu as the rate-limiting process in most soils for Cu (hyper-) accumulator plants with requirement larger than that of common crop species.
copDordrecht
pubSpringer
doi10.1007/s11104-009-0235-3
orcididhttps://orcid.org/0000-0001-5458-1259