Sokusai Pretilachior 50EC
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Sokusai Herbicide (Pretilachlor 50% EC) - The Expert Solution for Weed-Free Rice
Stop weed competition before it starts. Sokusai is a premium pre-emergence herbicide designed to protect your transplanted paddy yield.
Sokusai (Pretilachlor 50% EC) by IFFCO MC is a powerful, broad-spectrum herbicide essential for modern rice farming. It creates a chemical barrier in the soil that prevents weeds from germinating, saving you significant labor costs compared to manual weeding. Powered by Japanese technology, it targets tough grasses like Barnyard grass while keeping your rice seedlings safe.
Best For: Farmers seeking a cost-effective, labor-saving alternative to manual weeding in transplanted rice.
Why Choose This Product? Key Benefits
- ⏱️Perfect Timing (0-5 Days): Designed for the critical "Pre-Emergence" window. It kills weeds the moment they try to sprout.
- ?️Broad Spectrum Control: One shot controls Grasses (Barnyard grass), Sedges, and broadleaf weeds effectively.
- ⏳Massive Cost Savings: Reduces weed management costs by up to 90% compared to hiring manual labor for weeding.
- ?️Water Activated: Works seamlessly in standing water conditions, using the water to spread evenly across the field.
- ?Crop Safety: Highly selective formulation. It attacks the weeds but is safe for rice seedlings due to their older root age.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Sokusai |
| Technical Name | Pretilachlor 50% EC |
| IRAC MoA Code | Group 15 (K3) |
| Chemical Group | Chloroacetamide |
| Formulation | Emulsifiable Concentrate (EC) |
| Toxicity Label | Blue/Green Triangle (Moderately Toxic) |
How It Works: Mode of Action
Sokusai acts as a growth inhibitor. It targets the weed seeds as they attempt to germinate in the treated water.
- Absorption: The herbicide is rapidly absorbed by the "coleoptile" (the young shoot) of the weed seedling.
- Inhibition: It blocks the synthesis of Very Long Chain Fatty Acids (VLCFAs), which stops cell division.
- Termination: The weed seedling stops growing, becomes twisted or swollen, and dies before it can emerge above the water surface.
Note: Sokusai does not kill fully grown weeds. It must be used before weeds emerge.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Transplanted Rice (Paddy) | Annual Grasses (Echinochloa spp. / Barnyard Grass) |
| Transplanted Rice (Paddy) | Sedges (Cyperus difformis, Cyperus iria) |
| Transplanted Rice (Paddy) | Broadleaf Weeds (Monochoria, Ludwigia) |
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) | Method | Dose (ml / Litre) | PHI (Days) |
|---|---|---|---|---|
| Transplanted Rice | 500 ml | Sand Mix (20kg sand) | N/A | 75-90 |
| Transplanted Rice | 500 ml | Spray (200L water) | 2.5 ml | 75-90 |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting.
How to Apply: Best Practices
- Timing: Apply strictly between 0 to 3 Days After Transplanting (DAT). Effectiveness drops after 5 days.
- Mixing: Shake the bottle well. Mix 500ml Sokusai with 20-25kg of dry sand or Urea and broadcast evenly in the field.
- Coverage: Ensure the field has 2-3 inches of standing water. Do not drain or let the field dry for 3-5 days after application.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. Can I use Sokusai on Direct Seeded Rice (DSR)?
No. Sokusai 50% EC is recommended only for transplanted rice. Using it on DSR may damage the germinating rice seeds as it lacks a safener.
2. Can I mix Sokusai with fertilizers like Urea?
Yes, it is compatible with Urea. However, you must apply the mixture immediately. Do not keep the mixture stored as it may degrade or become sticky.
3. What happens if the field dries up after application?
If the soil cracks within 3 days, the "chemical barrier" breaks, and weeds will emerge. Maintaining standing water is critical for success.
4. Will it kill weeds that have already grown (4-leaf stage)?
No. Sokusai is a pre-emergence herbicide. It only kills weeds at the germination stage. For grown weeds, you will need a post-emergence herbicide like Bispyribac-sodium.
5. Is it safe for fish in the paddy field?
No. Pretilachlor is toxic to fish. Do not use in rice-fish farming systems and do not drain treated water into fish ponds.
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. There is no specific antidote for Pretilachlor; treatment is symptomatic.