Abstract
The benzoxazolinone BOA and the degradation products APO, AAPO and HPAA, as well as four structure related compounds to BOA, were tested for their lethal and sublethal effects on the collembola Folsomia candida and on the carabid beetle Poecilus cupreus applying validated standard laboratory methods. According to the results of the recommended risk assessment for plant protection products (EPPO, 2003), BOA and its structure related compounds carbendazim, benoxacor and benazolin (and additionally the formulated product Cresopur®) were classified as low risk compounds for both test organisms. Phosalone was of high risk for F. candida. APO, AAPO and HPAA were of medium risk for F. candida, but were rated as low risk compounds for P. cupreus at the tested rates of about 2 mg/kg substrate. However, as the BOA degradation products have been found to occur at field rates below 0.2 mg/kg substrate or are often even not detectable, it is assumed that their potential risk for both non-target soil organisms in the field will be acceptable.
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Acknowledgments
The research described in this abstract was performed as part of the project “FATEALLCHEM – Fate and Toxicity of Allelochemicals (natural plant toxins) in Relation to Environment and Consumer”. The project was carried out with financial support from the Commission of the European Communities under the Work Programme Quality of Life, Contract No. QLK5-CT-2001-01967, and from the Agency for Health and Food Safety, Institute for Plant Health, Vienna, Austria. We gratefully acknowledge the technical assistance of H. Hausdorf.
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Coja, T., Idinger, J. & Blümel, S. Effects of the Benzoxazolinone BOA, Selected Degradation Products and Structure Related Pesticides on Soil Organisms. Ecotoxicology 15, 61–72 (2006). https://doi.org/10.1007/s10646-005-0042-4
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DOI: https://doi.org/10.1007/s10646-005-0042-4