Mask-Metalaxyal 35% Wp
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Mask Fungicide by Nichino (Metalaxyl 35% WS) - Systemic Seed Treatment
The ultimate shield for Maize, Sorghum, and Bajra seeds against Downy Mildew and Soil-Borne Diseases.
Nichino Mask is a specialized systemic fungicide formulated as a 35% WS (Water Dispersible Powder for Slurry). Unlike common sprays, this is engineered specifically to coat seeds and drench nursery soil. It creates a protective "mask" around your crop, eliminating fungal threats like Downy Mildew, White Rust, and Pythium (Damping-off) right from the germination stage.
Best For: Farmers looking to prevent "Green Ear" in Bajra, "Crazy Top" in Maize, and seedling rotting in vegetable nurseries.
Why Choose This Product? Key Benefits
- ⏱️Rapid Systemic Uptake: Absorbed quickly by seeds and roots, moving upward to protect new leaves as they grow.
- ?️Complete Seed Defense: Forms a sterile zone around the seed, killing soil-borne fungi before they can penetrate.
- ⏳Long-Lasting Protection: Provides immunity during the critical seedling stage for up to 6 weeks.
- ?️Dual Action Power: Works as both a preventive shield and a curative medicine for early-stage infections.
- ?Japanese Quality Assurance: Manufactured by Nichino India, ensuring high purity and effective disease control.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Mask |
| Technical Name | Metalaxyl 35% WS |
| IRAC MoA Code | Group 4 (Phenylamides) |
| Chemical Group | Acylalanine |
| Formulation | WS (Water Dispersible Powder for Slurry) |
| Toxicity Label | Blue Triangle (Moderately Toxic) |
How It Works: Mode of Action
Mask works by inhibiting protein synthesis in the fungus. It targets RNA Polymerase I, effectively starving the fungus and stopping it from growing.
- Absorption: The active ingredient (Metalaxyl) penetrates the seed coat or root system.
- Translocation: It moves upward (acropetally) through the plant's water vessels (xylem).
- Eradication: It halts the growth of fungal mycelium and prevents spore formation from within the plant tissues.
Note: Because it moves upward, it protects new leaves but does not move downward to roots if sprayed on leaves.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Maize & Sorghum | Downy Mildew, Brown Stripe Downy Mildew |
| Pearl Millet (Bajra) | Downy Mildew (Green Ear Disease) |
| Mustard & Sunflower | White Rust, Downy Mildew |
| Vegetable Nurseries | Damping-Off (Pythium/Phytophthora) |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per 100Kg Seed" for accurate results. This product is a seed dresser, not a foliar spray.
Dosage Recommendations (Seed Treatment & Soil Drench)
| Crop / Use | Dose (g / 100kg Seed) | Water (L / 100kg Seed) | Dose (g / Litre Water) | PHI (Days) |
|---|---|---|---|---|
| Maize | 700g | 0.75 - 1.0 L | Slurry Mix | NA |
| Bajra / Sorghum / Mustard | 600g | 0.75 - 1.0 L | Slurry Mix | NA |
| Nursery (Soil Drench) | - | Saturate Soil | 1.0g - 1.5g | NA |
*PHI = Pre-Harvest Interval: Not applicable for seed treatment as application occurs at sowing. For nursery drench, ensure safety intervals if transplanting immediately.
How to Apply: Best Practices
- Timing: Treat seeds 24 hours before sowing for best adherence.
- Mixing (Slurry Method): Mix the required quantity of Mask with a small amount of water to make a paste (slurry). Pour this over the seed heap and mix manually (wearing gloves) or use a seed treating drum.
- Coverage: Ensure every seed is uniformly coated. Dry seeds in the shade; avoid direct sunlight immediately after treatment.
- Safety: Always wear PPE (gloves, mask, goggles). Inhalation of the powder can be harmful. Wash hands thoroughly after use.
Frequently Asked Questions
1. Can I use Mask as a foliar spray?
No. Mask is a 35% WS formulation designed for seed treatment. For spraying, you should use WP formulations. Using this for spray may clog nozzles and reduce efficacy.
2. What is the difference between Metalaxyl and Metalaxyl-M?
Mask uses Metalaxyl (racemic). Metalaxyl-M is a purified form that requires half the dosage. However, Mask provides a cost-effective, high-load solution trusted by farmers for years.
3. Does it control Powdery Mildew?
No. Mask is specific to Oomycetes (Downy Mildew, White Rust, Pythium). It does not control Powdery Mildew or Rusts.
4. Can I mix this with other chemicals?
Yes, for resistance management, it is often recommended to not rely solely on Metalaxyl. If used in a drench, it can be compatible with contact fungicides like Mancozeb, but always check compatibility first.
5. What is the shelf life of the product?
The product has a shelf life of 2 years when stored in a cool, dry place away from direct sunlight and moisture.
Safety & Disclaimer
Always read and follow the instructions on the official product label. The information provided here is for guidance only. Use personal protective equipment (PPE) during application.