A survey of warning colours of pesticides

Annette Thierauf, Wolfgang Weinmann, Volker Auwaerter, Benedikt Vennemann, Michael Bohnert

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)


    Pesticides are used to protect plants all over the world. Their increasing specificity has been due to utilization of differences in biochemical processes, and has been accompanied by lower human toxicity. Nevertheless cases of poisoning are still observed. While certain toxic substances are provided with characteristic dyes or pigments to facilitate easy identification, no overview of pesticide colors exists. The lack of available product information prompted us to explore the colors and dyes of pesticides registered in Germany, most of which are commercially available worldwide. A compilation of the colors and odors of 207 pesticide products is presented. While some of the substances can be identified by their physical characteristics, in other cases, the range of possibilities can be narrowed by their nature and color.

    Original languageEnglish
    Pages (from-to)307-313
    Number of pages7
    JournalForensic Science, Medicine and Pathology
    Issue number4
    Publication statusPublished - Dec 2010


    • Forensic science
    • Pesticides
    • Warning colors
    • Dyes
    • Odor
    • Poisoning


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