Metiram 70% WDG Fungicide (CAS 9006-42-2) | Broad-Spectrum Agricultural Fungicide for Crop Protection
A broad-spectrum contact fungicide for durable disease prevention in fruits, vegetables, and field crops
Product Overview
Metiram 70% WDG is a water-dispersible granular formulation of the multi-site contact fungicide metiram, a dithiocarbamate compound. Designed for preventive disease management, it disrupts fungal enzyme systems through multiple modes of action, reducing resistance risks. Ideal for integrated pest management (IPM) programs, it protects crops like potatoes, grapes, tomatoes, and apples from devastating foliar and fruit diseases.
Features & Benefits
Multi-Site Action: Targets multiple fungal metabolic pathways, minimizing resistance development.
Rainfast Protection: Forms a protective film resistant to wash-off, ensuring lasting efficacy.
Low Dust Formula: Advanced granule technology reduces operator exposure and environmental drift.
Crop Safety: Gentle on plants while maintaining robust disease suppression.
Flexible Timing: Effective when applied preventively or at early infection stages.
Applications
Target Crops
Fruits: Grapes (downy mildew), apples (scab), citrus
Vegetables: Potatoes/tomatoes (early/late blight), cucurbits (powdery mildew)
Field Crops: Coffee (leaf rust), ornamental plants
Diseases Controlled
Downy mildew (Plasmopara viticola)
Early blight (Alternaria solani)
Late blight (Phytophthora infestans)
Anthracnose (Colletotrichum spp.)
Application Guidelines
Timing: Apply at 7–14-day intervals depending on disease pressure.
Method: Use high-volume sprayers for thorough canopy coverage.
Compatibility: Mixes with most fungicides (avoid alkaline products).
Technical Specifications
Active Ingredient: Metiram (70% w/w)
Formulation: Water-dispersible granules (WDG)
Physical Properties:
Appearance: Yellowish-brown granules
Dispersibility: ≥90% in CIPAC water (WHO standard)
pH Stability: Effective in water pH 5–8
Shelf Life: 2 years in unopened packaging
Usage Instructions
| Parameter | Recommendation |
|---|---|
| Dose | 1.5–3.0 kg/ha (adjust for crop/disease) |
| Water Volume | 500–1000 L/ha (ensure full coverage) |
| Mixing Protocol | 1. Pre-mix in small water volume. <br>2. Add to spray tank under agitation. <br>3. Maintain agitation until application. |
Safety & Compliance
PPE Requirements: Gloves, goggles, respirator, and protective clothing during handling.
Re-Entry Interval (REI): 24 hours after application.
Storage: Keep in a cool, dry place (<30°C); avoid direct sunlight.
Environmental Note: Toxic to aquatic life-do not contaminate waterways.
Performance Data
Field Trials: 85–92% efficacy against grape downy mildew in EU trials (2023).
Cost Savings: Reduces spray cycles by 30% compared to single-site fungicides.
User Testimonial: "Metiram 70% WDG cut our potato blight losses by 60% this season." – Farm Manager, Netherlands
FAQ
Q: Can Metiram be used in organic farming?
A: No-it is a synthetic fungicide but fits conventional and IPM programs.
Q: What is the maximum number of applications per season?
A: Follow local regulations; typically 3–4 applications with anti-resistance rotations.
Q: How does it perform under high humidity?
A: Superior adhesion prevents wash-off and maintains efficacy in wet conditions.
Related Solutions
Companion Products: Azoxystrobin 250 SC (systemic boost)
Resistance Management: Rotate with fungicides from FRAC groups 11 or 3.
Full IPM Kits: Combine with adjuvants or biofungicides for enhanced protection.
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