Xenga -Pyrazosulfuron Ethyl 10% Wp
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Xenga Herbicide (Pyrazosulfuron Ethyl 10% WP)
The Specialist Solution for Sedges and Broadleaf Weeds in Rice
Xenga by Coromandel International is a high-efficacy, low-dose herbicide designed specifically for modern paddy farming. Formulated with Pyrazosulfuron Ethyl 10% WP, it offers exceptional control over stubborn weeds like Sedges and Broadleaf varieties that often escape traditional grass-killers.
Best For: Farmers looking for a cost-effective, labor-saving solution to keep Transplanted and Direct Seeded Rice (DSR) weed-free during the critical early growth stage.
Why Choose This Product? Key Benefits
- ⏱️Stops Growth Instantly: Weeds stop competing for nutrients immediately after application, even if visual browning takes a few days.
- ?️Safe for Paddy: Advanced metabolic selectivity ensures the herbicide kills weeds but remains completely safe for the rice crop.
- ⏳Long Duration Control: Provides residual protection during the "critical period" (first 30-45 days), ensuring your crop tillers without competition.
- ?️Flexible Application: Versatile formulation allows for Foliar Spraying or easy Broadcasting (mixing with sand/fertilizer) in standing water.
- ?Sedge Specialist: Specifically targets difficult weeds like Umbrella Sedge and Pickerelweed that other herbicides miss.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Xenga |
| Technical Name | Pyrazosulfuron Ethyl 10% WP |
| IRAC MoA Code | Group 2 (ALS Inhibitor) |
| Chemical Group | Sulfonylurea |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Blue Triangle (Caution) |
How It Works: Mode of Action
- Absorption: Xenga is absorbed rapidly through the roots and foliage of the weed.
- Enzyme Blockade: It targets the ALS enzyme, which is responsible for creating essential amino acids (proteins) needed for plant life.
- Growth Arrest: Without these proteins, cell division stops. The weed stops growing immediately, turns yellow (chlorosis), and dies within 7–14 days.
Note: Rice plants naturally detoxify this chemical, which is why the crop remains healthy while the weeds die.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Transplanted Rice | Sedges (Cyperus iria, Umbrella Sedge), Broadleaf (Monochoria, Marsilea). |
| Direct Seeded Rice (DSR) | Sedges, False Pimpernel, Ludwigia, and other broadleaf species. |
| Rice Nursery | Early suppression of sedges and broadleaf weeds. |
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) |
|---|---|---|---|---|
| Transplanted Rice | 80 g | Sand Mix (Standing Water) or 120-150L Spray | 0.6 g | -- |
| Direct Seeded Rice | 80 - 100 g | 150 L | 0.6 g | -- |
| Rice Nursery | Consult Label | Variable | 0.6 g | -- |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
[Image of farmer spraying herbicide in paddy field]- Timing (Transplanted): Apply between 3 to 7 days after transplanting.
- Timing (DSR): Apply between 5 to 10 days after sowing (or when weeds have 2-3 leaves).
- Mixing (Sand Method): Mix the 80g sachet with 8-10 kg of dry sand or fertilizer. Broadcast uniformly across the field.
- Water Management: Essential! Maintain 3-5 cm of standing water for 3 to 5 days after application. Do not drain.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. Can Xenga kill grassy weeds?
Xenga is a specialist for Sedges and Broadleaf weeds. For heavy grass infestations (like Barnyard grass), it is best used in sequence with a grass-killer like Bispyribac Sodium (Officer) or Pretilachlor.
2. Is it better to spray or mix with sand?
The Sand Mix (Broadcasting) method is very popular and effective if you have standing water. Spraying is recommended if water levels are low or for precise coverage.
3. What happens if it rains after application?
If broadcasting into standing water, rain is generally okay unless it causes overflow. If spraying, 6 hours of rain-free time is ideal.
4. What is the price per acre?
Xenga is highly economical, costing approximately ₹170 per acre (80g pack), making it significantly cheaper than manual labor.
5. Will it harm my next crop?
No. Xenga degrades in the soil within 20-40 days, making it safe for rotation crops like pulses or sunflowers grown after rice.
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.
