Prochloraz + Thiophanate-methyl
Prochloraz + Thiophanate-methyl: The Comprehensive Fungicide Solution
Prochloraz + Thiophanate-methyl is a powerful fungicide combination that provides broad-spectrum control against various fungal diseases in crops. This synergistic formulation offers both protective and curative action against pathogens.
Key Features
- Dual-action formula combining systemic and contact activity
- Excellent resistance management properties
- Wide application range across multiple crops
- Long-lasting residual protection
- Compatible with integrated pest management programs
Technical Specifications
| Parameter | Specification |
|---|---|
| Active Ingredients | Prochloraz 25% + Thiophanate-methyl 25% |
| Formulation Type | Wettable Powder (WP) |
| Mode of Action | Inhibition of ergosterol biosynthesis (Prochloraz) and disruption of cell division (Thiophanate-methyl) |
| Application Rate | 500-750 g/ha depending on crop and disease pressure |
| PHI (Pre-Harvest Interval) | 7-14 days depending on crop |
| Re-entry Period | 12 hours |
Target Diseases
- Powdery mildew in cereals and fruits
- Leaf spot diseases in various crops
- Botrytis in grapes and vegetables
- Fusarium head blight in wheat
- Anthracnose in fruits and vegetables
Prochloraz + Thiophanate-methyl FAQ
1. What crops can Prochloraz + Thiophanate-methyl be used on?
Prochloraz + Thiophanate-methyl is registered for use on a wide range of crops including wheat, barley, grapes, bananas, citrus fruits, vegetables, and ornamentals. Always check the product label for specific crop registrations in your region.
2. How does Prochloraz + Thiophanate-methyl work against fungal diseases?
The combination works through two distinct modes of action: Prochloraz inhibits ergosterol biosynthesis in fungal cell membranes, while Thiophanate-methyl interferes with fungal cell division. This dual action makes Prochloraz + Thiophanate-methyl effective against a broad spectrum of pathogens and helps manage resistance development.
3. What is the recommended application timing for Prochloraz + Thiophanate-methyl?
For best results, Prochloraz + Thiophanate-methyl should be applied preventatively or at the first signs of disease. Application intervals typically range from 7-14 days depending on disease pressure and environmental conditions. Always follow label recommendations for specific crops.
Application Guidelines
| Crop | Disease | Rate (g/ha) | Water Volume (L/ha) |
|---|---|---|---|
| Wheat | Powdery mildew, Septoria | 500-600 | 200-300 |
| Grapes | Botrytis, Powdery mildew | 600-750 | 500-1000 |
| Bananas | Sigatoka leaf spot | 500-600 | 500-800 |
| Citrus | Melanose, Anthracnose | 500-600 | 1000-1500 |
Safety and Handling
- Wear protective clothing, gloves and eye protection during handling
- Do not eat, drink or smoke while using the product
- Wash hands thoroughly after use
- Store in original container in a cool, dry place
- Keep away from food, feed and drinking water
Additional Prochloraz + Thiophanate-methyl FAQ
4. What is the shelf life of Prochloraz + Thiophanate-methyl?
When stored properly in original packaging at temperatures below 30°C and protected from moisture, Prochloraz + Thiophanate-methyl typically has a shelf life of 2 years from the date of manufacture. Always check the expiration date on the product label.
5. Can Prochloraz + Thiophanate-methyl be mixed with other pesticides?
Prochloraz + Thiophanate-methyl can be tank-mixed with many commonly used insecticides and fungicides, but compatibility should always be tested in a small container first. Avoid mixing with highly alkaline products (pH>8) as this may reduce efficacy.
6. Are there any resistance management recommendations for Prochloraz + Thiophanate-methyl?
To minimize resistance risks, limit Prochloraz + Thiophanate-methyl applications to 2-3 per season and rotate with fungicides having different modes of action. Incorporate cultural control methods and monitor fields for signs of reduced efficacy.
Environmental Considerations
- Do not apply near water bodies or wetlands
- Observe buffer zones indicated on the label
- Avoid application during windy conditions
- Do not contaminate water sources when cleaning equipment
Additional Technical Information
| Property | Prochloraz | Thiophanate-methyl |
|---|---|---|
| Chemical Class | Imidazole | Benzimidazole |
| Solubility in Water (mg/L) | 34.4 (20°C) | 26.6 (20°C) |
| Vapor Pressure (mPa) | 0.15 (25°C) | 0.009 (20°C) |
| Half-life in Soil (Days) | 20-40 | 7-14 |
For optimal results with Prochloraz + Thiophanate-methyl, follow all label instructions regarding application rates, timing, and safety precautions. This powerful fungicide combination can significantly improve disease control when used as part of an integrated crop management program.
