[Epicutaneous testing with plant protective and pest control agents (pesticides)]

A catalogue concerning adequate concentrations of pesticides for use in patch testing is presented. These recommendations are based on author's experiences also utilizing case reports both of the GDR and of the international literature. In particular case reports are mentioned on contact dermatitis due to Metham-sodium, Dazomet, Zineb and Maneb, Benomyl, Captan, Propachlor, Phenmedipham, 2,4-D and 2,4,5-T, Dichlorvos, Parathionmethyl, Trichlorfon. The recommended patch test concentrations should be made a subject for discussion and further investigations.