
Yuri Lambdacyhalothrin 4.9%CS
Yuri by IFFCO, containing Lambda-Cyhalothrin 4.9% CS, is an advanced insecticide that effectively controls a wide range of sucking and chewing insects, ensuring stronger and pest-free crops.
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IFFCO-MC Yuri Insecticide (Lambda-cyhalothrin 4.9% CS)
Advanced Capsule Suspension Technology for Long-Lasting Pest Control
Yuri is a premium insecticide brought to you by IFFCO-MC, a joint venture between Indian Farmers Fertiliser Cooperative and Mitsubishi Corporation, Japan. It features advanced Japanese technology in a 4.9% Capsule Suspension (CS) formulation.
Unlike older liquid sprays, Yuri uses micro-encapsulation technology. The active ingredient is locked inside tiny protective shells that release the medicine slowly. This ensures effective control against Bollworms, Stem Borers, and Leaf Folders in crops like Cotton, Paddy, and Vegetables. It provides a powerful "knockdown" effect while remaining safe for the crop.
Why Choose This Product? Key Benefits
- ⏱️Rapid Knockdown Action: Instantly paralyzes pests upon contact, stopping crop damage immediately.
- ?️UV Protection Technology: Contains Titanium Dioxide ($TiO_2$) to protect the medicine from sunlight degradation, ensuring it works longer on the field.
- ⏳Extended Residual Control: The "Smart Release" capsules open slowly over time or when a pest walks on them, providing protection for days after spraying.
- ?️Excellent Rainfastness: The formulation sticks firmly to leaves. It remains effective even if it rains approximately 6 hours after application.
- ?Cost-Effective & Crop Safe: Reduced risk of leaf burn (phytotoxicity) compared to EC formulations and offers a high Return on Investment (ROI) for farmers.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Yuri |
| Technical Name | Lambda-cyhalothrin 4.9% CS |
| IRAC MoA Code | Group 3A (Sodium Channel Modulators) |
| Chemical Group | Synthetic Pyrethroid (Type II) |
| Formulation | Capsule Suspension (CS) |
| Toxicity Label | Blue Label (Moderately Toxic) |
How It Works: Mode of Action
Yuri works through a dual-action mechanism: Contact and Stomach action. It targets the nervous system of the insect.
- Exposure: The pest touches the sprayed leaf or eats the treated plant parts. The microcapsules burst, releasing the active ingredient.
- Nerve Disruption: The chemical binds to the sodium channels in the insect's nerves, keeping them open. This causes uncontrolled nerve impulses.
- Paralysis & Death: The insect initially becomes hyperactive (tremors), then stops feeding, becomes paralyzed, and eventually dies.
Bonus: It also has a strong repellent effect, discouraging pests from laying eggs on the crop.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Cotton | Bollworm Complex (American, Spotted, Pink Bollworm), Jassids, Thrips |
| Paddy (Rice) | Stem Borer, Leaf Folder, Green Leaf Hopper, Gall Midge |
| Vegetables (Brinjal, Okra, Tomato) | Shoot & Fruit Borer, Fruit Borer |
| Soybean, Chilli, Grapes | Stem Fly, Semilooper, Thrips, Flea Beetle |
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 (ml / Acre) | Water (L / Acre) | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Cotton | 500 ml | 500 L | 1 ml | 21 |
| Paddy | 250 - 300 ml | 500 L | 0.5 - 0.6 ml | 15 |
| Brinjal / Okra / Tomato | 300 ml | 500 L | 0.6 ml | 5 |
| Chilli | 500 ml | 500 L | 1 ml | 5 |
| Soybean | 300 ml | 500 L | 0.6 ml | 31 |
| Grapes | 250 ml | 500 - 1000 L | 0.25 - 0.5 ml | 7 |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
- Timing: Apply when pest population reaches the economic threshold (ETL). Avoid spraying during peak sunshine or high winds. Late evening application is safer for honeybees.
- Mixing: Compatible with most insecticides and fungicides. Do not mix with highly alkaline substances (like Bordeaux mixture). Perform a small jar test before tank mixing.
- Coverage: Use a Hollow Cone Nozzle to ensure fine mist and complete coverage of the plant foliage (both upper and lower surfaces).
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid using near fish ponds or water bodies.
Frequently Asked Questions
1. How is Yuri CS better than standard EC formulations?
Yuri's CS (Capsule Suspension) technology wraps the chemical in a protective shell. This makes it longer-lasting, more rainfast, and safer for the user compared to traditional EC liquids.
2. Is Yuri rainfast?
Yes, thanks to its specialized polymer sticking technology, Yuri becomes rainfast approximately 2-4 hours after application once the spray has dried on the leaves.
3. Can I use Yuri during the flowering stage?
Use with caution. Lambda-cyhalothrin is toxic to bees. If application is necessary during flowering, spray in the late evening when bees are not foraging to protect pollinators.
4. What is the antidote for accidental poisoning?
There is no specific antidote. Treatment is symptomatic. In case of ingestion, seek immediate medical attention. Skin irritation (tingling) is temporary and can be soothed with Vitamin E oil or cream.
5. Does it control sucking pests like Thrips?
Yes, Yuri provides excellent control of thrips and jassids in addition to caterpillars, making it a broad-spectrum solution for mixed pest infestations.
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. This product is toxic to fish and aquatic invertebrates; do not contaminate water bodies.

