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.

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