EN
Studies on the decay of folpet, triadimenol and tetraconazole residues in apple fruits after their application against diseases were carried out. The studies were carried out in apple orchard situated in Budziwój the district of Rzeszów. According to test 1 the level of detected residues of folpet, triadimenol and tetraconazole directly after the treatments were respectively: 1.22±0.608; 0.065±0.22 and 0.067±0.023 mg/kg. The results of test 2 revealed that the folpet and triadimenol residues amounted to 1.671±0.430 and 0.082±0.012 mg/kg. In test 3 the detected level of tetraconazole was 0.034±0.007 mg/kg. On the basic of obtained results concerning the period of fungicide residue decay, it can be stated that fungicides containing folpet, triadimenol and tetraconazole used in apple orchards to protect apple fruits (intended for baby food production) against fungal diseases should be applied not later than 2 months before harvest.