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Article

Phytotoxicity of Tires Evaluated in Simulated Conditions

1
Department of Applied and Landscape Ecology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
2
Department of Plant Biology, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
3
Institute of Civil Engineering, Warsaw University of Life Sciences–SGGW, Nowoursynowska 159, 02 776 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Dimitrios Komilis
Received: 11 April 2021 / Revised: 16 May 2021 / Accepted: 25 May 2021 / Published: 27 May 2021
Illegal dumps and landfills with disposed of tires are a fact of today, which should not be neglected as they represent a great ecological burden for the environment, affect the surrounding nature and disturb the landscape. This research was focused on testing the phytotoxicity of aqueous leachates from the fractions of tires in two sets of experiments—to simulate laboratory conditions (tire leaching in distilled water) and natural conditions (tire leaching in water from a recipient) using the Phytotoxkit testing kit (kit for the establishment of inhibition/stimulation effect on the root development) and the watercress test of phytotoxicity (biological method for the assessment of leachate phytotoxicity). Plants whose seeds were selected for the test were watercress (Lepidium sativum L.) and white mustard (Sinapis alba L.). The aqueous leachate was tested for 38 weeks. During the experiment, physical and chemical parameters were measured at intervals of 14 days by the testing instrument HACH TEST KIT: electric conductivity (EC), amount of dissolved oxygen (LDO) and pH. Results of root growth inhibition (IR) on the seeds of Lepidium sativum L. and Sinapis alba L. exhibited values ranging from 11.73% to 47.74% in the tested samples. Results of germination index (GI) on the seeds of Lepidium sativum L. exhibited values below 66% in the tested samples, which indicated the leachate phytotoxicity. In spite of the fact that similar studies are tackling the acute toxicity of leachates from tires (particularly to algae, embryos and animals), this research brings complementary information in testing the acute phytotoxicity of tire leachates to higher plants. View Full-Text
Keywords: leachate; root growth inhibition; germination index; Lepidium sativum L.; Sinapis alba L.; watercress test leachate; root growth inhibition; germination index; Lepidium sativum L.; Sinapis alba L.; watercress test
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MDPI and ACS Style

Šourková, M.; Adamcová, D.; Winkler, J.; Vaverková, M.D. Phytotoxicity of Tires Evaluated in Simulated Conditions. Environments 2021, 8, 49. https://0-doi-org.brum.beds.ac.uk/10.3390/environments8060049

AMA Style

Šourková M, Adamcová D, Winkler J, Vaverková MD. Phytotoxicity of Tires Evaluated in Simulated Conditions. Environments. 2021; 8(6):49. https://0-doi-org.brum.beds.ac.uk/10.3390/environments8060049

Chicago/Turabian Style

Šourková, Markéta, Dana Adamcová, Jan Winkler, and Magdalena D. Vaverková 2021. "Phytotoxicity of Tires Evaluated in Simulated Conditions" Environments 8, no. 6: 49. https://0-doi-org.brum.beds.ac.uk/10.3390/environments8060049

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