
Penconazole (Oil-in-Water Emulsion 20%)
Product Name: Penconazole (Oil-in-Water Emulsion 20%) Formulation: Penconazole 20% EW Trade Name: Topas
Product Name: Penconazole (Oil-in-Water Emulsion 20%)
Formulation: Penconazole 20% EW
Trade Name: Topas
Group: Triazole
Mode of Action: Inhibits ergosterol biosynthesis, essential for fungal cell membrane formation.
WHO Toxicity Class: II (Toxic and harmful)
Type: Systemic fungicide with protective and curative effects
Pre-harvest Interval (PHI): 14 days
| Crop | Disease | Rate & Application Method |
| Grapes | Powdery Mildew | 125 ml per 1000 liters of water |
Application Management:
- Penconazole is absorbed through the leaves and translocated throughout the plant.
- Its systemic activity allows it to penetrate tissues and eliminate pathogens effectively.
- Despite low application rates, it provides excellent control of powdery mildew and other fungal diseases.
Compatibility:
Compatible with most insecticides and fungicides, including Captan and Sulfur.



