Odin Fungicide (Dimethomorph 50% WP) - Expert Downy Mildew & Blight Control
Stop fungal attacks instantly with Coromandel’s advanced specialist for Grapes and Potatoes.
Odin (Dimethomorph 50% WP) is a powerful systemic fungicide designed specifically to fight Oomycete diseases like Downy Mildew and Late Blight. Unlike generic sprays, Odin attacks the fungus at its cellular level, stopping it from building its walls.
[Image of downy mildew on grape leaf]Why farmers trust Odin: It doesn't just protect the leaf surface; it penetrates deep inside (translaminar action) to kill hidden fungus and stops the disease from spreading to healthy plants.
Why Choose This Product? Key Benefits
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Curative "Kick-Back" Action: Stops the disease even if infection has already started (within 24-48 hours).
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Stops Disease Spread (Anti-Sporulant): Prevents the fungus from producing spores, acting like a shield for the rest of your crop.
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Long-Lasting Protection: Stays active in the plant system, reducing the number of sprays required per season.
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Rainfast & Weatherproof: Excellent adherence to leaves, making it perfect for use during cloudy and humid monsoon weather.
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Translaminar Movement: Penetrates the leaf from top to bottom, killing fungus hiding on the underside of the leaf.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Odin |
| Technical Name | Dimethomorph 50% WP |
| IRAC MoA Code | Group 40 (CAA Fungicide) |
| Chemical Group | Cinnamic Acid Amide (Morpholine) |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Blue Triangle (Moderately Toxic) |
How It Works: Mode of Action
[Image of fungal cell wall destruction mechanism]Odin works differently from older fungicides. It specifically targets the "skeleton" of the fungus.
- Cell Wall Collapse: Odin inhibits the synthesis of cellulose and phospholipids. Without these, the fungal cell wall cannot form, causing the fungus to burst and die.
- Reproduction Block: It is a potent anti-sporulant. It stops the fungus from creating spores, which cuts the lifecycle of diseases like Late Blight instantly.
- Deep Reach: Once sprayed, it enters the leaf tissue (translaminar) to protect both the upper and lower surfaces, ensuring no spot is left untreated.
Note: This unique action makes it an excellent partner for resistance management when rotated with contact fungicides like Mancozeb.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Grapes | Downy Mildew (Plasmopara viticola) |
| Potato | Late Blight (Phytophthora infestans) |
| Tomato | Late Blight |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Grapes | 400 - 500 g | 300 - 400 L | 1.5 g | 30 - 35 |
| Potato | 400 g | 300 L | 1.5 g | 16 - 21 |
| Tomato | 400 g | 300 L | 1.5 g | 21 |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
- Timing: Apply primarily as a preventative spray when weather conditions (cloudy, humid) favor blight/mildew. If disease appears, apply immediately to stop sporulation.
- Mixing: Since this is a Wettable Powder (WP), premix the required dose in a small bucket of water to form a slurry before adding it to the main spray tank.
- Coverage: Ensure the spray reaches the undersides of the leaves where Downy Mildew spores hide. Use sufficient water volume (300L+ per acre).
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Do not mix with highly alkaline products like Bordeaux mixture.
Frequently Asked Questions
1. Does Odin cure Downy Mildew after infection?
Yes, Odin has curative properties. It can stop the disease development if applied within 24 to 48 hours of infection, making it a great "rescue" spray.
2. Can I mix Odin with other fungicides?
Yes, Odin is highly compatible with contact fungicides like Mancozeb. In fact, a tank mix of Odin + Mancozeb is the industry standard for preventing resistance.
3. Is it safe for export grapes?
Yes, Dimethomorph is widely accepted, but you must strictly follow the Pre-Harvest Interval (PHI) of roughly 30-35 days to meet residue limits for the EU and other markets.
4. Does Odin control Powdery Mildew?
No. Odin is a specialist for Oomycetes (Downy Mildew and Blights). For Powdery Mildew, you should use products like Propiconazole or Sulfur.
5. What is the rainfastness of Odin?
Odin becomes rainfast relatively quickly once the spray dries on the leaf (usually 2-3 hours), thanks to its ability to penetrate the leaf tissue.
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.
