Drenza – Dimethomorph 50% WP
Drenza is a fungicide manufactured by MaxxGro Agrology Limited, containing Dimethomorph 50% as a wettable powder (WP) formulation. It is used for the control of Late blight in potato. Dimethomorph is a cinnamic acid amide fungicide that acts on the cell wall formation of oomycete pathogens, and is also registered for downy mildew control in grapes.
As a wettable powder, Drenza is mixed with water before spray application. The product is intended for use strictly as per the approved crop, disease, dose and timing recommendations on the product label for potato.
| CROP | Common Name of Pest | Dosage / Acre | Dilution in Water (L/acre) | Waiting Period (Days) |
| Grapes | Downy mildew | 202 g A.I.
405 g formulation |
304 | 25 |
| Potato | Late blight | 202 g A.I.
405 g formulation |
304 | 16 |
- Contains Dimethomorph 50% as the active ingredient
- Formulated as a Wettable Powder (WP)
- Fungicide category product for disease management
- Registered use in potato, among other listed crops
- Controls late blight
- Cell-wall-formation-inhibiting mode of action against oomycetes
Dimethomorph is a cinnamic acid amide (CAA) fungicide that disrupts cell wall formation in oomycete pathogens by interfering with cellulose synthase activity, preventing normal spore germination and hyphal growth. Dimethomorph is classified under FRAC Group 40 (CAA fungicides), and is specifically effective against oomycete pathogens such as those causing late blight and downy mildew.
Drenza (Dimethomorph 50% WP) is mixed with the recommended volume of water and applied as a foliar spray in potato, using standard knapsack or boom sprayers, following the approved product label.
- Use strictly as per the directions on the approved product label
- Wear appropriate personal protective equipment during mixing and spraying
- Avoid spray drift onto sensitive or non-target crops
- Keep out of reach of children and away from food, feed, and water sources
- Store in a cool, dry place in original packaging
