
Miraculan Plant Growth Regulator
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Miraculan Plant Growth Regulator (Triacontanol 0.05% EC) by Corteva
Unlock your crop's hidden genetic potential with the original metabolic booster.
Farming today faces many challenges, from stuck yields to unpredictable weather. Miraculan (now by Corteva Agriscience) is not just another tonic; it is a scientifically proven metabolic enhancer. Unlike standard hormones that force growth, Miraculan works naturally by improving your plant's ability to eat, drink, and breathe.
[Image of healthy cotton crop field]
Based on the active ingredient 1-Triacontanol, this product bridges the gap between what your crop should yield and what it actually yields. Whether you are growing Cotton, Paddy, or Chilli, Miraculan helps plants handle stress and fill fruits heavier and faster.
Why Choose This Product? Key Benefits
- ⏱️Rapid Absorption (EC Formula): Unlike water-based competitors, Miraculan’s unique solvent system penetrates the leaf's waxy layer instantly, ensuring no wastage.
- ?️Stress Shield: Helps plants survive heat and mild drought by regulating water channels (Aquaporins) in the cells.
- ⏳Stops Flower & Fruit Drop: Strengthens the connection between the branch and the fruit (pedicel), significantly reducing shedding in Cotton and Chilli.
- ?️The "Greening" Effect: Boosts Chlorophyll production and photosynthesis, making leaves visibly greener and more efficient at making food.
- ?Better Fertilizer Use: Acts as a "metabolic pump," helping the plant absorb Nitrogen and other nutrients from the soil much faster.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Miraculan |
| Technical Name | Triacontanol 0.05% EC min. |
| IRAC MoA Code | Metabolic Enhancer (PGR) |
| Chemical Group | Saturated Long-Chain Aliphatic Alcohol |
| Formulation | Emulsifiable Concentrate (EC) |
| Toxicity Label | Generally Safe (Use standard PPE) |
How It Works: Mode of Action
Miraculan works by triggering a natural "secondary messenger" system inside the plant called TRIM. This signal travels rapidly from the leaves to the roots.
[Image of plant stomata function]
- Photosynthesis Boost (RuBisCO): It activates the genes responsible for RuBisCO, the enzyme that captures Carbon Dioxide. This allows the plant to make more sugar and starch for growth.
- Water Management (Aquaporins): It opens up "water channels" in the cell membranes. This keeps the plant cells hydrated and turgid, even when the soil is slightly dry.
- Nutrient Pumping: It alters the cell membrane permeability, allowing roots to suck up mineral ions (like Nitrogen) more efficiently and convert them into proteins.
Result: A plant that is greener, stronger, and filling fruits faster.
Target Crops & Pests
| Crop | Target Issue / Goal |
|---|---|
| Cotton | Square dropping, Boll shedding, and small boll size. |
| Rice (Paddy) | Poor tillering, empty grains (chaffiness), and cold stress. |
| Chilli & Tomato | Flower drop, uneven fruit size, and poor color development. |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Overdosing does not give better results and may cause leaf curling.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Cotton | 250 - 300 ml | 150 - 200 L | 1.5 ml | Label Std* |
| Rice | 250 ml | 150 L | 1.5 ml | Label Std* |
| Vegetables (Chilli/Tomato) | 200 - 250 ml | 150 L | 1.25 - 1.5 ml | Label Std* |
*PHI = As Miraculan is a metabolic enhancer, refer to the local product label for specific Pre-Harvest Intervals. Generally considered safe when used as directed.
How to Apply: Best Practices
- Timing: Apply during the cooler parts of the day (morning or late afternoon). Avoid spraying if the temperature is above 35°C to prevent solvent burn.
- Mixing: Compatible with most pesticides and foliar fertilizers (like NPK 19:19:19). Do not mix with highly alkaline products like Bordeaux mixture.
- Coverage: Ensure full coverage of the foliage. The "EC" formulation helps the liquid stick, but good coverage ensures the "TRIM" signal is sent effectively.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Flammable – keep away from open flame.
Frequently Asked Questions
1. What is the difference between Miraculan and Vipul?
Miraculan is an EC (solvent-based) formulation, which penetrates waxy leaves (like Cotton) better. Vipul is often a water-based (EW) formulation. Miraculan is often preferred for its rapid absorption.
2. Can I use Miraculan during drought?
Yes. Applying Miraculan before severe stress helps the plant manage water better by regulating cell water channels (aquaporins), keeping the plant turgid longer.
3. When should I spray it on Cotton?
For best results, spray 3 times: at Square Formation (45 Days), Peak Flowering (65 Days), and Boll Development (90 Days).
4. Does it help with Potato size?
Yes. Spraying at the "bulking stage" (50-55 days) helps move sugars from the leaves down to the tubers, increasing size and weight.
5. Is it safe to mix with 19:19:19 fertilizer?
Yes, it is highly synergistic. Miraculan opens cell membranes, helping the plant absorb the sprayed NPK fertilizer much faster.
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.


