Check-Pretilachlor 50% Ec
Nichino Check (Pretilachlor 50% EC) is a selective, pre-emergence herbicide ideal for paddy crops. It prevents weed growth early, ensuring clean fields, better crop establishment, and improved yields.
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Check Herbicide (Pretilachlor 50% EC) – The "Green Label" Solution for Rice
Secure your Paddy yield with Nichino India's premium pre-emergence herbicide.
Weeds like Barnyard grass and Sedges can steal up to 50% of your rice yield if left unchecked. Check (Pretilachlor 50% EC) by Nichino India is a specialized pre-emergence herbicide designed specifically for transplanted rice. It acts as an invisible barrier, stopping weeds before they can even emerge from the soil.
Why struggle with expensive manual weeding? Check offers a cost-effective, labor-saving alternative that works in standing water conditions, ensuring your crop gets the sunlight and nutrients it deserves from day one.
Why Choose This Product? Key Benefits
- ⏱️Early Action Protection: Applied within 0-4 days of transplanting, it kills weeds at the germination stage, keeping fields clean during the critical early growth phase.
- ?️Broad-Spectrum Control: Effectively targets the "Big Three" enemies of paddy: Grasses (like Echinochloa), Sedges, and Broadleaf weeds.
- ⏳Long-Lasting Residual Effect: Provides durable weed control that lasts through the establishment phase, reducing the need for secondary weeding.
- ?️Works in Standing Water: Specially formulated to spread evenly across the water surface in puddled fields, making it ideal for the transplanted rice ecosystem.
- ?Green Label Safety: Classified with a "Green Label" (Slightly Toxic), it is safer for the applicator and the environment compared to harsher alternatives.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Check |
| Technical Name | Pretilachlor 50% EC |
| IRAC MoA Code | Group 15 (VLCFA Inhibitor) |
| Chemical Group | Chloroacetamide |
| Formulation | Emulsifiable Concentrate (EC) |
| Toxicity Label | Green Label (Slightly Toxic) |
How It Works: Mode of Action
Check operates by disrupting the internal chemistry of germinating weeds. It is absorbed primarily through the shoots (coleoptiles) of grasses.
- Absorption: The herbicide creates a film on the water. As the weed seedling tries to push through the soil/water interface, it absorbs the chemical.
- Inhibition: Once inside, it inhibits the synthesis of Very Long Chain Fatty Acids (VLCFAs), which are essential for cell division and growth.
- Elimination: Without these fatty acids, the weed cannot form new cells or protective waxes. The seedling twists, turns necrotic, and dies before it can establish itself.
Note: Rice plants are safe because their roots are deeper in the soil and they can naturally metabolize the chemical.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Transplanted Rice (Paddy) | Grasses: Barnyard Grass (Echinochloa spp.), Jungle Rice, Chinese Sprangletop |
| Transplanted Rice (Paddy) | Sedges: Smallflower Umbrella Sedge, Rice Flat Sedge (Cyperus spp.) |
| Transplanted Rice (Paddy) | Broadleaf Weeds: False Daisy (Eclipta alba), Water Primrose (Ludwigia), Monochoria |
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) | Method | PHI (Days) |
|---|---|---|---|---|
| Light / Sandy Soil | 400 - 500 ml | N/A (Sand Mix) or 200L (Spray) | Sand Mix / Foliar Spray | Safe by Harvest |
| Heavy / Clay Soil | 500 - 600 ml | N/A (Sand Mix) or 200L (Spray) | Sand Mix / Foliar Spray | Safe by Harvest |
| Direct Seeded Rice (DSR) | Not Recommended | - | - | - |
*PHI = Pre-Harvest Interval: The source data indicates residues are generally Below Detectable Limits (BDL) at harvest when applied correctly.
How to Apply: Best Practices
- Timing (Crucial): Apply between 0 to 4 Days After Transplanting (DAT). Do not delay beyond 4 days or weeds may escape control.
- Mixing (Sand Method): Mix the required dose (e.g., 500ml) with 20-25 kg of dry sand or fertilizer. Broadcast uniformly across the field.
- Coverage & Water Management: Ensure the field has 2-3 cm of standing water at the time of application. Maintain this water level for 5-7 days to keep the chemical film intact.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Do not drain water into fish ponds.
Frequently Asked Questions
1. Can I use Check (Pretilachlor 50% EC) for Direct Seeded Rice (DSR)?
No. Check is designed for transplanted rice. In DSR, the rice seeds are at the same soil depth as weeds, and using this product without a "safener" can damage or kill the germinating rice.
2. What happens if I apply it after 5 or 6 days?
Efficacy drops significantly. Check works best before weeds emerge. If weeds have already sprouted (2-3 leaf stage), this product will not kill them.
3. Is Check safe for my rice crop?
Yes, when used in transplanted rice. The "Green Label" indicates high safety. The positional difference (rice roots are deeper) and rice's natural ability to metabolize the chemical ensure crop safety.
4. Will it affect the next crop (like pulses)?
No. Check degrades in the soil and leaves no harmful residues for succeeding crops like blackgram or lentils grown in rice fallows.
5. Do I need to drain the water before application?
No. You need standing water (2-3 cm) for the herbicide to spread effectively. Do not drain the water for at least 5-7 days after application.
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. Do not use in fields practicing rice-fish culture.