Corteva AgriscienceFungicides
Karathane Gold
Fungicide
Karathane Gold is a powerful fungicide from Corteva Agriscience that protects crops from powdery mildew and fungal infections, promoting vigorous plant growth and improved productivity.
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Karathane Gold
FungicidesKarathane Gold Fungicide (Meptyldinocap 35.7% EC)
The Specialist Solution for Powdery Mildew and Mite Suppression in Grapes, Mangoes, and Chilies.
Karathane Gold is a powerful, contact-based fungicide developed by Corteva Agriscience. It is specifically designed to control Powdery Mildew (Erysiphales) effectively, even when other products fail due to cold weather. Unlike older chemistries, it uses Meptyldinocap, a safer and more precise active ingredient that eradicates fungus on leaves, fruits, and woody stems.
Best For: Farmers looking for a "cleanup" spray that works in low temperatures and helps prevent resistance buildup in high-value crops.
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8 topicsWhy farmers choose itWhy Choose This Product? Key Benefits
- ⏱️ Curative & Eradicant Action: It doesn't just protect; it stops active disease. It effectively burns off existing fungal growth (mycelium) on contact.
- ?️ Resistance Fighter: An ideal rotation partner. It kills fungal spores that have become resistant to systemic fungicides (like Azoles), resetting your crop's protection.
- ⏳ Woody Part Sanitation: Unique ability to sanitize woody stems and canes, destroying overwintering fungus to ensure a disease-free start for the next season.
- ?️ Cold Weather Expert: Unlike Sulfur, which requires heat to work, Karathane Gold remains highly effective during cool winters and early mornings.
- ? Dual Action (Mite Control): While primarily a fungicide, it possesses significant acaricidal properties, suppressing Mite populations alongside Powdery Mildew.
Product scienceTechnical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Karathane Gold |
| Technical Name | Meptyldinocap 35.7% EC |
| IRAC MoA Code | FRAC Group 29 (Uncouplers) |
| Chemical Group | Dinitrophenol |
| Formulation | EC (Emulsifiable Concentrate) |
| Toxicity Label | Blue Label (Moderately Toxic) |
Product scienceHow It Works: Mode of Action
Karathane Gold works by disrupting the energy balance of the fungal cell (Uncoupling of Oxidative Phosphorylation).
- Contact & Absorption: The spray lands on the leaf and sticks to the fungal body and waxy cuticle.
- Energy Blockade: Meptyldinocap enters the fungal mitochondria (the power plant of the cell) and causes a "short circuit" in energy production.
- Rapid Death: Unable to produce ATP (energy), the fungus cannot grow, breathe, or feed, leading to rapid cell collapse and death.
Since this is a physical disruption of energy, it is very difficult for fungi to develop resistance against it.
Useful detailsTarget Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Grapes | Powdery Mildew ( Erysiphe necator ) & Mites |
| Mango | Powdery Mildew ( Oidium mangiferae ) |
| Chili / Pepper | Powdery Mildew ( Leveillula taurica ) & Mites |
How to applyDosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results.
How to applyDosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Grapes | 137 ml | 200 L | 0.7 ml | 21 Days |
| Chili | 137 ml | 200 L | 0.7 ml | 5 - 7 Days |
| Mango | Varies by tree size | High Volume | 0.7 ml | -- |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
Useful detailsHow to Apply: Best Practices
- Timing: Apply as a preventive spray or at the first sign of white powdery patches. Ideal for cool weather conditions when sulfur is ineffective.
- Mixing: Fill the spray tank with half the required water, add the measured Karathane Gold, and mix well. Do not mix with oil-based formulations to avoid leaf burn.
- Coverage: This is a contact fungicide. Ensure thorough coverage of leaves (top and bottom), fruit bunches, and woody stems for best results.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid spraying near water bodies.
Use with careSafety & 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.
Frequently Asked Questions
1. Is Karathane Gold better than Sulfur?
Yes, specifically in cold weather (winter). Sulfur requires temperatures above 20°C to work effectively, whereas Karathane Gold works chemically and is effective even in low temperatures.
2. Does it kill mites?
Yes. While registered as a fungicide, the active ingredient Meptyldinocap disrupts the energy of mites as well, providing excellent suppression of Red and Yellow mites.
3. Can I spray this on Mango flowers?
Yes, it is highly effective for protecting Mango panicles (flowers) from Powdery Mildew, which causes flower abortion. Use at 0.7ml per liter of water.
4. Is it safe for export grapes?
Yes, provided the PHI of 21 days is strictly followed. The US EPA has established import tolerances for Meptyldinocap on grapes.
5. What is the difference between Dinocap and Karathane Gold?
Karathane Gold uses Meptyldinocap, a purified isomer. Unlike the old Dinocap, Meptyldinocap is non-teratogenic (does not cause birth defects), making it significantly safer for users and the environment.
Agricultural-use productsAlways follow the product label and local agricultural guidance.
Genuine pack details
- Brands
- Corteva Agriscience
- Categories
- Fungicides
- Pack
- 100 ml, 140 ml, 250 ml
- Delivery
- Delivery
- Refund & cancellation
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Size100 ml, 250 ml, 140 ml
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Shipping and taxes are calculated at checkout.
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