Coragen
Coragen (FMC) is a trusted insecticide that provides effective and extended pest control, supporting healthier plants, better crop quality, and sustainable farm productivity.
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Coragen Insecticide (Chlorantraniliprole 18.5% SC): Complete Crop Protection Guide
Discover why Coragen® is the trusted choice for Indian farmers to control Stem Borers, Leaf Folders, and Fall Armyworms effectively.
Farming today faces tough challenges, from resistant pests to unpredictable weather. Coragen (Chlorantraniliprole 18.5% SC) by FMC is a revolutionary insecticide designed to solve these problems. Unlike older chemicals that harm the environment, Coragen targets specific muscle receptors in pests, stopping them from feeding within minutes.
Best For: Farmers seeking long-duration control (up to 3 weeks) in Rice, Sugarcane, Cotton, and Vegetables with a safety profile that protects beneficial insects.
Why Choose Coragen? Key Benefits
- ⏱️Rapid Action: Pests stop feeding within minutes of ingestion, preventing crop damage immediately.
- ?️Long-Lasting Protection: A single spray provides coverage for 2 to 3 weeks, reducing the need for frequent re-spraying.
- ⏳Controls Resistant Pests: Highly effective against larvae that have developed resistance to older chemicals like pyrethroids.
- ?️Excellent Rainfastness: The spray dries quickly and binds to the leaf; rain occurring 2 hours after application will not wash it away.
- ?Green Label Safety: Safe for beneficial insects, farmers, and the environment when used as directed (Green/Blue Triangle).
Technical Specifications & Chemistry
| Parameter | Details |
|---|---|
| Brand Name | Coragen® |
| Technical Name | Chlorantraniliprole 18.5% w/w SC |
| IRAC MoA Code | Group 28 (Ryanodine Receptor Modulator) |
| Chemical Group | Anthranilic Diamide |
| Formulation | Suspension Concentrate (SC) - White Fluid |
| Toxicity Label | Green or Blue Triangle (Slightly/Moderately Toxic) |
How It Works: Mode of Action
Coragen works differently from traditional poisons. It targets the insect's muscular system directly.
- Activation: When the larva eats the treated leaf, the chemical activates the ryanodine receptors in its muscles.
- Calcium Release: This causes an uncontrolled release of stored calcium, leading to immediate muscle paralysis.
- Result: The insect enters a "feeding stop" almost instantly, becomes lethargic, and dies from starvation within 1-3 days.
Note: Because mammals (humans) have different receptors, this chemical is highly selective and safe for us.
Target Crops & Effective Control
| Crop | Target Pest(s) |
|---|---|
| Paddy (Rice) | Yellow Stem Borer, Rice Leaf Folder |
| Sugarcane | Termites, Early Shoot Borer, Top Borer |
| Vegetables (Tomato, Brinjal, Okra) | Fruit Borer (Helicoverpa), Shoot Borer, Diamondback Moth |
| Maize & Cotton | Fall Armyworm (FAW), American Bollworm, Spotted Bollworm |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Do not under-dose, as this causes resistance.
Standard Dosage Table (Per Acre)
| Crop | Dose (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days)* |
|---|---|---|---|---|
| Rice / Paddy | 60 ml | 200 L | 0.3 ml | 47 Days |
| Vegetables (Tomato/Brinjal) | 60 ml | 200 L | 0.3 ml | 3 Days |
| Sugarcane (Termites) | 250 ml (Drenching) | 400+ L | 0.6 ml | 208 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting to ensure produce is safe for consumption.
How to Apply: Best Practices
- Timing: Apply at the egg-hatching stage or early instar larval stage for maximum kill. Do not wait for severe damage. [Image of Yellow Stem Borer lifecycle]
- Mixing: Shake the bottle well before use. Perform a "jar test" before mixing with other chemicals. DO NOT mix with alkaline substances like Bordeaux mixture.
- Coverage: Use a Hollow Cone nozzle for foliar sprays to ensure fine mist coverage reaches deep into the canopy.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid spraying directly on foraging bees.
Frequently Asked Questions
1. Is Coragen safe for honeybees?
Yes, it has low toxicity to bees once the spray has dried. Avoid spraying during active foraging hours (mid-day).
2. Can I mix Coragen with fungicides?
It is generally compatible with common fungicides like Propiconazole or Hexaconazole. However, avoid high-alkaline mixtures (lime/sulfur).
3. How fast does it become rainfast?
Coragen becomes rainfast in approximately 2 hours. If it rains after this period, you do not need to re-spray.
4. Does it control Fall Armyworm (FAW) in Maize?
Yes, it is highly effective against FAW. For Maize, direct the nozzle into the whorl where the larva resides.
5. How do I identify a fake Coragen bottle?
Look for the I-ZAR holographic security seal on the packaging to verify authenticity, as counterfeits are common in the market.
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.
