Abstract
Studies on the degradation of quintozene in vegetables and soils of gardeners
In the Federal Republic of Germany the application of quintozene containing pesticides was allowed at vegetables and flowers with some restrictions until 1973. This is the reason why now, in 1976, soils of gardeners and green-houses are contaminated with quintozene (PCNB), hexachlorobenzene (HCB) and pentachloroaniline (PCA). PCA residues are generally found in higher concentrations than the HCB and PCNB residues. Plants, especially leaves and root vegetables, which are cultivated on those soils can be contaminated with HCB, PCNB and PCA residues originating from the soil. The extent of PCA-residues was unknown until now because PCA residues could not be measured by some known analytical methods. Therefore, PCA-tolerances could not yet be established.
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Häfner, M. Über den Abbau von Quintozen in Gemüsekulturen und gärtnerisch genutzten Erden (Teil 1). Anz. Schadlingskde., Pflanzenschutz, Umweltschutz 49, 177–183 (1976). https://doi.org/10.1007/BF01984583
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DOI: https://doi.org/10.1007/BF01984583