Cuprous Oxide 86.2% WP
Classification:
Fungicide
Formulation:
Cuprous Oxide 86.2% WP (Wettable Powder)
CAS NO:
1317-39-1
USAGE:
Protective contact fungicide with broad-spectrum activity against fungal and
bacterial diseases in fruits, vegetables, cereals, and ornamental plants. Highly
effective against downy mildew, early blight, late blight, anthracnose,
bacterial spot, and citrus canker.
Pack size:
500g, 1kg, 5kg, 25kg/drum, or as required
Direction for Use
| Crop | Target Diseases | Dosage (86.2% WP) | Application Timing | Remarks |
|---|---|---|---|---|
| Tomato | Early blight, Late blight | 2.5-3.5 kg/ha | Preventive spray at 7-10 day intervals | 1) REI: 48 hrs 2) Max 3 applications/season |
| Grapes | Downy mildew | 3.0-4.0 kg/ha | Before flowering and after fruit set | Do not apply during flowering |
| Citrus | Citrus canker, Melanose | 0.3% solution | Spring flush and after rains | PHI: 21 days |
| Potato | Late blight | 3.0-3.5 kg/ha | At disease onset and repeat every 10 days | Use with protectant clothing |
| Coffee | Coffee berry disease | 0.25-0.5% solution | Pre-flowering and berry formation | Avoid spraying in direct sunlight |
Product Details
Mode of Action:
-Multi-site contact activity
-Disrupts fungal cell membranes
-Inhibits spore germination and mycelial growth
-Releases copper ions upon hydration
Benefits:
-Broad-spectrum disease control
-Low risk of resistance development
-Compatible with most pesticides (except alkaline products)
-Provides micronutrient copper to plants
Precautions:
-PPE: Nitrile gloves, respirator, full coveralls
-Do not apply during hot weather (>30°C)
-Maintain 15-day interval with sulfur products
-Storage: Keep in dry place below 35°C
Environmental Hazards:
-Toxic to aquatic life (LC50 fish: 0.5 mg/L)
-Avoid runoff to water bodies
-Moderate persistence in soil (half-life 20-50 days)
-Low toxicity to bees when dry