Combined pollution effects of Cu and benzotriazole in rice (Oryza sativa L.) verified by split-root experiment

Ran, Chunmei, Liu, Rubin, Li, Ke, Wang, Chenye, Pu, Jian, Sun, Hongwen and Wang, Lei, (2023). Combined pollution effects of Cu and benzotriazole in rice (Oryza sativa L.) verified by split-root experiment. Environmental Science and Pollution Research, 30 91997-92006

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  • Sub-type Journal article
    Author Ran, Chunmei
    Liu, Rubin
    Li, Ke
    Wang, Chenye
    Pu, Jian
    Sun, Hongwen
    Wang, Lei
    Title Combined pollution effects of Cu and benzotriazole in rice (Oryza sativa L.) verified by split-root experiment
    Appearing in Environmental Science and Pollution Research
    Volume 30
    Publication Date 2023-07-22
    Place of Publication Berlin & Heidelberg
    Publisher Springer-Verlag GmbH Germany
    Start page 91997
    End page 92006
    Language eng
    Abstract Although the combined effect of organic ligands and heavy metals in the environment on plants have been frequently reported, their complexed interaction in plants and the physiological effects remain to be revealed. Metal complexing agent benzotriazole (BTR) has extensive environmental pollution. In this study, root-splitting experiments were designed to identify the in vivo and in vitro effects of BTR on the accumulation and translocation of Cu in rice (Oryza sativa L.), and the concentrations and translocation factor (TF) of Cu and BTR in different parts of rice were measured. In the in vitro interaction treatments, low BTR concentrations enhanced Cu uptake and lateral transport in rice, while higher levels of BTR’s exposure (i.e., ≥ 100 μM) resulted in opposite effects. Differently, significant increase in the lateral transport of Cu and vertical translocation of BTR in rice presented in the in vivo interaction treatments. TF of Cu from root A to root B (TFRA-RB) increased from 0.05 to 0.272 with the BTR concentration increasing from 0 to 100 μM, and higher TF of BTR from root to shoot (TFR-S), ranging from 1.00 to 1.75, compared with single BTR exposure treatments was observed. The phytotoxicity of BTR expressed by the catalase activity was significantly alleviated by the in vivo accumulated Cu in rice.
    UNBIS Thesaurus COPPER
    Keyword Benzotriazole
    Combined pollution effects
    Rice
    Root-splitting
    Copyright Holder The Author(s), under exclusive licence to Springer-Verlag GmbH Germany
    Copyright Year 2023
    Copyright type All rights reserved
    DOI 10.1007/s11356-023-28695-3
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    Created: Fri, 12 Jan 2024, 16:19:32 JST by Hanna Takemoto on behalf of UNU IAS