Classification:
Fungicide
Formulation:
Dimethomorph 80% WDG (Water Dispersible Granule)
CAS NO:
110488-70-5
USAGE:
Systemic fungicide for controlling Oomycete diseases including late blight
(Phytophthora infestans), downy mildew (Plasmopara viticola), and other
Peronosporales in grapes, potatoes, tomatoes, cucurbits, and vegetables.
Pack size:
100g, 500g, 1kg, 5kg, 25kg/drum, or as required
| Crop | Target Disease | Dosage (80% WDG) | Application Timing | Remarks |
|---|---|---|---|---|
| Grapes | Downy mildew | 250-300 g/ha | Pre-bloom to fruit set | 1) REI: 48 hrs 2) Max 3 applications/season |
| Potatoes | Late blight | 300-400 g/ha | First symptoms or preventive | 7-10 day intervals |
| Tomatoes | Phytophthora blight | 200-300 g/ha | Early disease development | PHI: 3 days |
| Cucurbits | Downy mildew | 250-350 g/ha | First true leaf stage | Tank-mix with protectant fungicides |
| Vegetables | Peronosporales | 200-250 g/ha | Preventive or curative | Alternate with non-related fungicides |
Mode of Action:
-Inhibits cell wall biosynthesis (cellulose synthase)
-Disrupts mycelial growth and sporulation
-Locally systemic with translaminar movement
-Dual action: Protective and curative
Benefits:
-Highly effective against resistant strains
-Long residual activity (10-14 days)
-Rainfast within 2 hours after application
-Low risk of phytotoxicity when used as directed
Precautions:
-PPE: Coveralls, gloves, respirator (APF ≥20)
-Do not apply during temperature inversion
-Tank mix with 0.1% non-ionic surfactant
-Storage: Keep dry at 0°C to 35°C
Environmental Hazards:
-Toxic to aquatic invertebrates
-Do not apply near water bodies
-Moderately persistent (soil half-life 20-40 days)
-Low bee toxicity (LD50 >100μg/bee)