Mefenoxam 2 AQ Fungicide is formulated to provide systemic control of root and stem diseases caused by Pythium and Phytophthora spp. as well as foliar diseases such as downy mildew. It features a water-based formula with low odor and it can provide protection for up to 3 weeks. Mefenoxam 2 AQ makes an excellent tank mix partner with most other fungicides.