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Avoidance behavior of Eisenia fetida and Metaphire posthuma towards two different pesticides, acephate and atrazine

Datta, S and Singh, J and Singh, J and Singh, S and Singh, S (2021) Avoidance behavior of Eisenia fetida and Metaphire posthuma towards two different pesticides, acephate and atrazine. In: Chemosphere, 278 .

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Official URL: https://doi.org/10.1016/j.chemosphere.2021.130476


The avoidance behavior is regarded as the method that provides first hand information about the behavior of an organism in the presence of contaminants in the soil. Very little data is found in literature regarding the effect of pesticides on tropical earthworms. Two pesticides, acephate and atrazine which are widely used in Indian tropical area were investigated for their avoidance behavior on standard species, E. fetida (ISO 2007) and on a tropical species, M. posthuma. The avoidance tests are rarely replicated on tropical species, M. posthuma in comparison to standard species, E. fetida or E. andrei. The standard avoidance test (ISO 2007) was taken into consideration for two different species of earthworm. Significant difference in the distribution of earthworms in the control and test soils was found depicting that soil composition plays a vital role in affecting the distribution of worms. The results also show higher sensitivity of E. fetida in comparison to M. posthuma in terms of avoidance response for both the pesticides. For risk assessment, the soil types and indigenous soil species of earthworms must be taken into consideration for evaluation of soil contamination. Avoidance tests forms the basis to study the molecular mechanisms underlying the receptor proteins responsible for the process of chemesthesis in annelids. © 2021 Elsevier Ltd

Item Type: Journal Article
Publication: Chemosphere
Publisher: Elsevier Ltd
Additional Information: The copyright for this article belongs to Elsevier Ltd.
Keywords: Herbicides; Risk assessment; Soil pollution; Tropics, Artificial soils; Avoidance; Avoidance behaviour; Avoidance tests; Chemosensation; Earthworm; Eisenia fetida; High sensitivity; Soil composition; Tropical species, Soils, annelid; atrazine; avoidance reaction; concentration (composition); earthworm; organophosphorus pesticide; pesticide; soil pollution, India, Annelida; Eisenia fetida; Metaphire posthuma, acephate; atrazine; pesticide; phosphoramidic acid derivative; phosphorothioic acid derivative, analysis; animal; avoidance behavior; Oligochaeta; soil; soil pollutant; toxicity, Animals; Atrazine; Avoidance Learning; Oligochaeta; Organothiophosphorus Compounds; Pesticides; Phosphoramides; Soil; Soil Pollutants
Department/Centre: Division of Interdisciplinary Sciences > Interdisciplinary Centre for Water Research
Date Deposited: 21 Feb 2023 03:09
Last Modified: 21 Feb 2023 03:09
URI: https://eprints.iisc.ac.in/id/eprint/80507

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