Cryonil Fungicide (Myclobutanil 10% WP)
The Ultimate Systemic Solution for Powdery Mildew and Scab
Cryonil by Crystal Crop Protection is a powerful systemic fungicide designed to save your Apple, Grape, and Chilli crops. Powered by Myclobutanil 10% WP, it doesn't just protect the plant surface; it penetrates deep to cure infections from the inside out. Whether you are fighting Apple Scab in the hills or Powdery Mildew in the plains, Cryonil offers a cost-effective and reliable defense.
Why Choose Cryonil? Key Benefits
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96-Hour Kick-Back Action: Stops fungal infections even if sprayed up to 4 days after the disease starts.
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Systemic Protection: Moves upward in the plant to protect new leaves and shoots that grow after spraying.
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Short Harvest Wait: Safe to harvest Chillies just 3 days after application, ensuring your supply chain never stops.
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Rainfast in 1-2 Hours: Quickly absorbs into the leaf, so it won't wash off during sudden monsoon showers.
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Crop Safety: The Wettable Powder (WP) formulation is gentle on plants and poses a low risk of burning (phytotoxicity).
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Cryonil |
| Technical Name | Myclobutanil 10% WP |
| IRAC MoA Code | Group 3 (DMI Fungicide) |
| Chemical Group | Triazole |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Blue Triangle (Moderately Toxic) |
How It Works: Mode of Action
- Penetration: After spraying, Cryonil rapidly enters the plant system through the leaves and travels via the xylem (water channels).
- Target Inhibition: It targets the fungal enzyme C14-demethylase, which is responsible for building the fungus's cell walls.
- Fungal Collapse: By blocking the production of Ergosterol (essential for cell structure), the fungal cell membranes become leaky and collapse, killing the disease.
This mechanism works on both preventing new infections and curing existing ones hidden inside the leaf tissue.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Apple | Scab (Venturia inaequalis) |
| Grapes | Powdery Mildew (Uncinula necator) |
| Chilli | Powdery Mildew, Leaf Spot, & Die-back (Fruit Rot) |
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) |
|---|---|---|---|---|
| Apple | Tree Basis Application | ~10 L / Tree | 0.4 g / Litre | 21 Days |
| Grapes | 100 - 200 g | 500 - 1000 L | 0.4 g / Litre | 15 Days |
| Chilli | 150 - 200 g | 500 L | 0.4 g / Litre | 3 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Note: Since Cryonil is a powder, doses are in grams (g).
How to Apply: Best Practices
- Timing: Apply protectively or within 96 hours of expected infection (like after rain). For Apples, spray between Silver Tip to Petal Fall stages.
- Mixing: This is a wettable powder. First, mix the required quantity in a small amount of water to make a smooth paste (slurry), then add it to the main tank.
- Coverage: Ensure thorough coverage. The systemic action helps, but good spraying technique is key for diseases like Powdery Mildew on leaf undersides.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid spraying during the hottest part of the day.
Frequently Asked Questions
1. Is Cryonil compatible with other chemicals?
Yes, it is generally compatible with common insecticides and fungicides like Mancozeb. Always perform a small jar test before mixing full tanks.
2. Can I use Cryonil during rains?
Yes, Cryonil becomes "rainfast" within 1 to 2 hours of spraying. If it rains 2 hours after you spray, you do not need to respray.
3. What is the shelf life of the product?
When stored in a cool, dry place in its original sealed packaging, Cryonil retains its efficacy for 2 years from the date of manufacture.
4. Does it cure disease after spots appear?
Cryonil is a "curative" fungicide, meaning it can kill the fungus inside the leaf up to 96 hours after infection. However, for best results, spray as soon as you suspect disease.
5. How do I prevent resistance building up?
Do not spray Cryonil more than two times in a row. Rotate it with fungicides from other groups (like Mancozeb or Sulphur) to keep it effective for years.
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.
