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- W2897899343 abstract "Biopesticides are increasingly being used to replace synthetic pesticides for pest control. This change raises concern for its environmental impacts, especially on non-target organisms. In this study, the ecotoxicological effects of a potential nematicide from Spanish populations of Artemisia absinthium (var. Candial) were evaluated on freshwater and aquatic non-target organisms. The study focused on the aqueous extract (hydrolate), the principal component of which ((-) -(Z) -2,6-dimethylocta-5,7-diene-2,3-diol) is responsible for its nematicidal effect. Until now, the hydrolate has been considered a byproduct of the process used to obtain essential oils, and there are no studies on its ecotoxicity from any plant with biopesticide properties. Our results indicated that A. absinthium hydrolate caused acute toxicity for non-target organisms at dilutions as low as 0.2%. The sensitivity of the organisms, from the most to the least sensitive, was: Daphnia magna (LC50 = 0,236%) > Vibrio fisheri (LC50 = 1,85%) > Chlamydomonas reinhardtii (LC50 = 16,49). Moreover, the A. absinthium organic extract was highly toxic to D. magna (LC50 = 0,093 mg/L). A. absinthium hydrolate toxicity was also tested on a natural river microbial community. Bacterial growth was not affected; the physiology of the community was only slightly modified, namely through an increased ability to degrade different substrates, mainly carbohydrates. This study provides for the first time an exhaustive assessment of the environmental exposure of a plant-derived biopesticide and shows that these products may cause a broad range of toxicity on non-target aquatic organisms." @default.
- W2897899343 created "2018-10-26" @default.
- W2897899343 creator A5000128797 @default.
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- W2897899343 creator A5031822216 @default.
- W2897899343 creator A5070675517 @default.
- W2897899343 creator A5073226378 @default.
- W2897899343 date "2019-02-01" @default.
- W2897899343 modified "2023-10-18" @default.
- W2897899343 title "Ecotoxicity of a novel biopesticide from Artemisia absinthium on non-target aquatic organisms" @default.
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- W2897899343 doi "https://doi.org/10.1016/j.chemosphere.2018.09.071" @default.
- W2897899343 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30366267" @default.
- W2897899343 hasPublicationYear "2019" @default.
- W2897899343 type Work @default.