Chandika-Chloro50%+Cyper 5% Ec
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Chandika Insecticide (Chlorpyrifos 50% + Cypermethrin 5% EC)
The Ultimate "505" Formula for Instant Knockdown and Long-Lasting Pest Control.
Chandika by Nichino India is a powerful, broad-spectrum insecticide designed for heavy infestations. By combining two potent active ingredients—Chlorpyrifos (50%) and Cypermethrin (5%)—it offers a dual-mode attack that eliminates biting, chewing, and sucking pests. It is the go-to solution for farmers dealing with complex pest attacks in Cotton, Paddy, and Vegetables.
Best For: Controlling Bollworms in Cotton and Stem Borers in Rice.
Why Choose This Product? Key Benefits
- ⏱️Instant "Knockdown" Effect: The Cypermethrin component attacks the pest's nervous system immediately upon contact, stopping crop damage within minutes.
- ?️Dual-Action Power: Combines a "Systemic" Organophosphate with a "Contact" Pyrethroid to kill pests that are both visible and hidden.
- ⏳Longer Residual Control: Chlorpyrifos ensures the treated area remains protected for 10–12 days, preventing re-infestation.
- ?️Vapor (Fumigant) Action: Effective against hidden pests like Stem Borers inside the plant due to its strong vapor penetrating ability.
- ?Cost-Effective Rescue: Acts as an economical "one-shot" solution for clearing mixed populations of sucking pests and caterpillars.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Chandika (Nichino India) |
| Technical Name | Chlorpyrifos 50% + Cypermethrin 5% EC |
| Mode of Action | AChE Inhibitor + Sodium Channel Modulator |
| Chemical Group | Organophosphate + Synthetic Pyrethroid |
| Formulation | EC (Emulsifiable Concentrate) |
| Toxicity Label | Yellow/Red Triangle (Highly Toxic) |
How It Works: Mode of Action
Chandika uses a "Synergistic" approach, attacking the insect's nervous system from two angles simultaneously.
- Contact & Ingestion: The insect absorbs the chemical through its skin (cuticle) or by eating treated leaves.
- Nervous System Overload: Cypermethrin keeps the sodium channels open, causing instant spasms and paralysis (The Knockdown).
- Enzyme Inhibition: Chlorpyrifos blocks the Acetylcholinesterase enzyme, preventing the nerves from resetting, leading to certain death.
This combination is particularly effective against pests that have developed resistance to single-molecule pesticides.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Cotton | American Bollworm, Spotted Bollworm, Pink Bollworm, Aphids, Jassids, Thrips, Whitefly |
| Paddy (Rice) | Yellow Stem Borer, Rice Leaf Folder |
| Vegetables (Brinjal, Cabbage) | Shoot & Fruit Borer, Diamondback Moth (DBM) |
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 – 1000 ml | 200 – 400 L | 2.5 ml | 15 Days |
| Paddy (Rice) | 625 – 750 ml | 200 – 280 L | 3 ml | 15 Days |
| Brinjal | 400 ml | 200 L | 2 ml | 7 Days |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting (Crucial for Basmati Rice exports).
How to Apply: Best Practices
- Timing: Spray during the cool hours of the day (early morning or late evening) to prevent evaporation and protect foraging bees.
- Mixing: Do NOT mix with Bordeaux mixture, Lime Sulphur, or any alkaline products, as they will destroy the chemical efficacy.
- Coverage: Ensure thorough coverage, especially on the underside of leaves for aphids and on stems for borers.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Highly toxic to fish—do not use near ponds.
Frequently Asked Questions
1. What is the technical name of Chandika?
It is Chlorpyrifos 50% + Cypermethrin 5% EC. It is widely known in the market as "505."
2. Does it control Stem Borer in Paddy?
Yes, it is highly effective. The Chlorpyrifos component has a strong vapor action that penetrates the rice stem to kill the hidden larvae.
3. Can I mix Chandika with fungicides?
Yes, it is compatible with common fungicides like Hexaconazole or Mancozeb. However, never mix it with alkaline products like Copper-Lime (Bordeaux).
4. Is it safe for honeybees?
No, it is toxic to bees. Avoid spraying when crops are in full bloom or when bees are actively foraging.
5. What is the price of Chandika?
The retail price generally ranges from ₹425 to ₹565 per liter, making it a very economical choice (approx. ₹225/acre/spray).
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 hazardous to aquatic life.