Toxicity of Nettle Slurry on Two Free Living Nematodes
DOI:
https://doi.org/10.35588/rivar.v10i31.6173Keywords:
nettle slurry, free-living nematodes, ecotoxicity, biopreparation, Caenorhabditis elegansAbstract
Biopreparations represent an important alternative to the use of synthetic agrochemicals. Among them, nettle slurry (Urtica sp.) is used as a biostimulant and in the control of pests and diseases. However, there is no information on its effects on non-target organisms of the agroecosystem. The objective of this work was to study the lethal effects of different dilutions of nettle slurry on the free-living model nematodes Caenorhabditis elegans and Panagrellus redivivus (key organisms in the soil structure). Five toxicity bioassays were carried out in a liquid medium on C. elegans and one on P. redivivus. Three nettle slurries with different processing conditions and storage times were used. The slurry proved to have lethal effects on C. elegans individuals depending on the dilution of exposure. The information obtained on the ecotoxicity of biopreparations can contribute to the optimization of horticultural practices.
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