Kritap Gold Insecticide (Cartap Hydrochloride 50% + Buprofezin 10% WP)
The Ultimate Dual-Action Solution for Stem Borers and Brown Plant Hoppers (BPH) in Rice.
Kritap Gold by Krishi Rasayan is a premium pre-mix insecticide designed specifically for paddy farmers. It combines two powerful chemistries—Cartap Hydrochloride and Buprofezin—to provide complete protection against the toughest chewing and sucking pests.
Why it works: Unlike ordinary sprays that only kill adults, Kritap Gold breaks the pest life cycle at every stage. It paralyzes adult insects immediately while sterilizing eggs and stopping nymphs from growing. This "One-Two Punch" ensures your crop stays green, healthy, and pest-free for longer.
Why Choose This Product? Key Benefits
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Rapid Knockdown Action: Stops pests from feeding within hours of spraying, preventing immediate crop damage like "dead hearts" or "white ears."
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Long-Lasting Protection: Provides a residual shield of 14 to 21 days, reducing the need for frequent re-spraying.
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Complete Life-Cycle Control: Kills adults, kills nymphs (babies), and destroys eggs (ovicidal action) to prevent pest populations from bouncing back.
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Systemic Power: Absorbed by the plant and moves upwards, reaching hidden pests inside the stem (borers) and under the leaves.
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Resurgence Management: Specifically designed to control Brown Plant Hoppers (BPH) effectively without causing them to multiply rapidly later (resurgence).
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Kritap Gold |
| Technical Name | Cartap Hydrochloride 50% + Buprofezin 10% WP |
| Mode of Action | Systemic, Contact & Stomach Action |
| Chemical Group | Nereistoxin Analogue + IGR (Thiadiazine) |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Yellow / Blue (Depends on Pack Size) - Treat as Toxic |
How It Works: Mode of Action
Kritap Gold uses a unique "Synergistic Mechanism" to attack pests from two angles at once:
- Nerve Blockade (Cartap): It enters the insect's nervous system and blocks signal transmission. The insect gets paralyzed, stops eating instantly, and dies from starvation and muscle failure.
- Molting Inhibition (Buprofezin): It acts as an Insect Growth Regulator (IGR). When nymphs try to grow and shed their skin (molt), Buprofezin prevents the formation of new skin (chitin), causing them to die.
- Egg Sterilization: Adult insects that come into contact with the spray lay unviable eggs, meaning the eggs will never hatch.
This combination makes it nearly impossible for pests to develop resistance.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Paddy (Rice) | Stem Borer (Yellow & Pink), Brown Plant Hopper (BPH), White Backed Plant Hopper (WBPH), Leaf Folder, Green Leaf Hopper. |
| Vegetables (Tomato/Cabbage) | Mites, Diamondback Moth (DBM), Sucking Pests. |
| Other Field Crops | Various Leaf Eating Caterpillars and Sucking Pests. |
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 (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Paddy (Rice) | 320g - 400g | 200 Litres | 1.5g - 2.0g | 20 - 30 Days |
| Vegetables | 350g - 400g | 200 Litres | 1.5g - 2.0g | 15 - 20 Days |
| High Infestation | 400g | 200 - 250 Litres | 2.0g - 2.5g | Check Label |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
- Timing: Spray immediately when you see the first signs of Stem Borer (dead hearts) or when Hopper population reaches 5-10 insects per hill (ETL).
- Mixing: Premix the required quantity in a small amount of water to make a slurry, then add it to the main tank. Stir well.
- Coverage: For BPH (Hoppers), ensure the spray nozzle is directed towards the base of the paddy plant where the pests hide. Use adequate water volume (200L/acre) for deep penetration.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid spraying during strong winds.
Frequently Asked Questions
1. Can Kritap Gold control both Stem Borer and BPH?
Yes, it is specifically formulated to control both pests simultaneously. Cartap targets the Stem Borers inside the stem, while Buprofezin targets the BPH nymphs at the base of the plant.
2. Is this product safe for fish in rice fields?
No. Cartap Hydrochloride is toxic to fish and aquatic life. Avoid using it if your paddy field is connected to fish ponds or aquaculture bodies.
3. What is the antidote for accidental poisoning?
The specific antidote for Cartap poisoning is L-Cysteine. Note that Atropine is generally not effective for Cartap toxicity. In case of ingestion, seek immediate medical attention.
4. Can I mix Kritap Gold with fungicides?
Kritap Gold is generally compatible with most common fungicides (like Hexaconazole or Propiconazole). However, always perform a small jar test before mixing large quantities.
5. How long does the result last?
Under normal weather conditions, Kritap Gold provides protection for 14 to 21 days due to its systemic nature and IGR properties.
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. Keep out of reach of children.

