Trabe Anti-Mildew Fungicide is a concentrated, highly effective organic fungicide against Oomycete fungal pathogens that cause leaf diseases ( mildew ). After application, the active ingredient adheres to the waxy layer and tissues of the leaves . In the event of subsequent rain, the product is not washed away , so re-application is not necessary . effective against: powdery mildew * ( oidium *) active ingredient: 250 g/l mandipropamide (23.40% w/w) volume: 8 ml