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  • Different glyphosate phytotoxicity of seeds and seedlings of selected plant species.

    Author(s) : Piotrowicz-Cieślak, A. I.Adomas, B.Michalczyk, D. J.

    Author Affiliation : Department of Plant Physiology and Biotechnology, University of Warmia and Mazury, Oczapowskiego 1A, 10-719 Olsztyn, Poland.

    Author Email : acieslak@uwm.edu.pl

    Journal article : Polish Journal of Environmental Studies 2010 Vol.19 No.1 pp.123-129 ref.32

    Abstract : The aim of this study was to compare the physiological responses of six plant species (popular crops or plants recommended as indicators of soil pollution) to a wide range of glyphosateglyphosateSubject Category: Chemicals and Chemical Groups
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    concentrations (0, 1, 3, 7, 10, 40, 80, 120, 180, 240, 400, 750, 1000, 1500, 1700 and 2000 µM). Percent germination, root length, seedling dry mass and myo-inositolmyo-inositolSubject Category: Chemicals and Chemical Groups
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    content, as well as seedling leachate electroconductivity, were determined in Lepidium sativumlepidium sativumSubject Category: Organism Names
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    , Sinapis albasinapis albaSubject Category: Organism Names
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    , Sorghum saccharatum, Brassica napusbrassica napusSubject Category: Organism Names
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    , Lupinus luteuslupinus luteusSubject Category: Organism Names
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    and Avena sativaavena sativaSubject Category: Organism Names
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    . Percent seed germinationseed germinationSubject Category: Natural Processes
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    , seedling dry mass and electroconductivity of seedling leachates were not clearly affected by the herbicide and could not be used as indicators of its phytotoxicityphytotoxicitySubject Category: Properties
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    . An metabolite induced by abiotic stresses in many plants, myo-Inositol, was very strongly stimulated by glyphosate at doses above 10 or 40 µM, depending on plant species. The sensitivity of analyzed plants to glyphosate, as manifested by root length, differed clearly. In Avena sativa the relationship between root length and glyphosate concentration was fairly linear over a wide range of herbicide doses (up to 240-400 µM). The most distinct drop in root growth at low herbicide doses was visible in Sorghum saccharatum. The results show that a mild stress affecting root length may not clearly modify seedling myo-inositol levels, that respond distinctly to stronger stresses. Not all indicator plantsindicator plantsSubject Category: Organism Groups
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    are equally suitable for analysis of biological activity of glyphosate residues. Sorghum saccharatum seems particularly sensitive.

    ISSN : 1230-1485

    URL : http://www.pjoes.com

    Record Number : 20103100845

    Publisher : HARD Publishing Company

    Location of publication : Olsztyn 5

    Country of publication : Poland

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : Avena sativaavena sativaSubject Category: Organism Names
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    , Brassica napusbrassica napusSubject Category: Organism Names
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    , BrassicalesbrassicalesSubject Category: Organism Names
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    , Lepidium sativumlepidium sativumSubject Category: Organism Names
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    , Lupinus luteuslupinus luteusSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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    , Sinapis albasinapis albaSubject Category: Organism Names
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    , SorghumsorghumSubject Category: Organism Names
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    , Sorghum bicolorsorghum bicolorSubject Category: Organism Names
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    Descriptor(s) : application ratesapplication ratesSubject Category: Properties
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    , cresscressSubject Category: Commodities and Products
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    , electrical conductivityelectrical conductivitySubject Category: Properties
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    , glyphosateglyphosateSubject Category: Chemicals and Chemical Groups
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    , herbicidesherbicidesSubject Category: Chemicals and Chemical Groups
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    , indicator plantsindicator plantsSubject Category: Organism Groups
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    , indicator speciesindicator speciesSubject Category: Organism Groups
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    , mustardmustardSubject Category: Commodities and Products
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    , myo-inositolmyo-inositolSubject Category: Chemicals and Chemical Groups
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    , oatsoatsSubject Category: Commodities and Products
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    , phytotoxicityphytotoxicitySubject Category: Properties
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    , rootsrootsSubject Category: Anatomical and Morphological Structures
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    , seed germinationseed germinationSubject Category: Natural Processes
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    , seedlingsseedlingsSubject Category: Miscellaneous
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    , seedsseedsSubject Category: Anatomical and Morphological Structures
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    , stressstressSubject Category: Miscellaneous
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    , stress responsestress responseSubject Category: Miscellaneous
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    , sweet sorghumsweet sorghumSubject Category: Commodities and Products
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    , wild relativeswild relativesSubject Category: Organism Groups
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    Identifier(s) : Capparales, indicator organisms, inositol, meso-inositol, plant indicators, Sorghum bicolor subsp. bicolor, Sorghum saccharatum, sugar sorghum, weedicides, weedkillers, white mustard

    Broader term(s) : AvenaavenaSubject Category: Organism Names
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    , PoaceaepoaceaeSubject Category: Organism Names
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    , PoalespoalesSubject Category: Organism Names
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    , commelinidscommelinidsSubject Category: Organism Names
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    , monocotyledonsmonocotyledonsSubject Category: Organism Names
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    , angiospermsangiospermsSubject Category: Organism Names
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    , SpermatophytaspermatophytaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , BrassicabrassicaSubject Category: Organism Names
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    , BrassicaceaebrassicaceaeSubject Category: Organism Names
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    , BrassicalesbrassicalesSubject Category: Organism Names
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    , eudicotseudicotsSubject Category: Organism Names
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    , LepidiumlepidiumSubject Category: Organism Names
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    , LupinuslupinusSubject Category: Organism Names
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    , PapilionoideaepapilionoideaeSubject Category: Organism Names
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    , FabaceaefabaceaeSubject Category: Organism Names
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    , FabalesfabalesSubject Category: Organism Names
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    , SinapissinapisSubject Category: Organism Names
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    , SorghumsorghumSubject Category: Organism Names
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