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Sumet Pro Herbicide: The Expert Solution for Broadleaf Weeds & Sedges in Rice
Stop yield losses of up to 80% with this specialized, low-dose formula designed for modern rice farming.
Weeds are the biggest threat to your rice harvest, competing aggressively for sunlight and nutrients during the critical first 15–45 days. Sumet Pro (Metsulfuron Methyl + Chlorimuron Ethyl) is a sophisticated, systemic herbicide engineered to eliminate stubborn broadleaf weeds and sedges that ordinary grass-killers miss.
Perfect for: Transplanted Rice and Direct Seeded Rice (DSR).
Why Choose This Product? Key Benefits
- ⏱️Rapid Growth Arrest: Weeds stop growing and competing for nutrients within hours of application, even if visual browning takes a few days.
- ?️Crop Safety Mechanism: Safe for rice due to metabolic selectivity—rice plants naturally detoxify the chemical while weeds cannot.
- ⏳Dual Action Power: Works on both foliage (leaves) and soil, creating a residual barrier that prevents new weed seeds from germinating.
- ?️Reliable Rainfastness: Becomes rainfast within 4 to 6 hours, ensuring the product stays on the plant even if weather turns.
- ?Unbeatable Economics: Extremely cost-effective (approx. ₹115 per acre), offering professional-grade results at a fraction of the cost of manual weeding.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Sumet Pro (FMC) |
| Technical Name | Metsulfuron Methyl 10% + Chlorimuron Ethyl 10% WP |
| IRAC MoA Code | Group 2 (ALS Inhibitors) |
| Chemical Group | Sulfonylurea |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Category III / IV (Caution) |
How It Works: Mode of Action
Sumet Pro operates by starving the weed of essential building blocks required for life.
- Systemic Absorption: The herbicide is absorbed rapidly through both leaves and roots, moving through the plant's vascular system to active growth points.
- Enzyme Inhibition: It binds to the ALS enzyme, blocking the production of vital amino acids (Valine, Leucine, Isoleucine).
- Starvation & Death: Without these proteins, cell division stops immediately. The weed turns yellow (chlorosis), browns, and dies within 14–21 days.
Note: Rice plants possess enzymes that break down the herbicide safely, ensuring your crop remains unharmed.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Transplanted Rice | Sedges:Cyperus iria (Rice Flat Sedge), Cyperus difformis (Umbrella Sedge), Fimbristylis miliacea. Broadleaf Weeds:Eclipta alba (False Daisy), Marsilea quadrifolia (Water Clover), Monochoria vaginalis. |
| Direct Seeded Rice (DSR) | Effective against the same complex of Sedges and Broadleaf weeds that compete with young seedlings. |
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) |
|---|---|---|---|---|
| Rice (Paddy) | 8 grams | 120 - 150 Litres | ~0.06 g/L | Refer to Label* |
*PHI depends on local regulations. Rotational Note: Wait 90-120 days before planting mustard or legumes to avoid soil residue issues.
How to Apply: Best Practices
- Timing: Apply 15 to 25 Days After Transplanting (DAT) when weeds are young (2 to 4 leaf stage).
- Mixing: "Cream" the powder first—dissolve the 8g sachet in a small mug of water to break lumps before adding to the main tank.
- Coverage (Water Mgmt): Drain standing water before spraying to expose weeds. Reflood the field 48-72 hours later to activate soil residue.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. Does Sumet Pro control grasses like Barnyard grass?
No. It is specific to broadleaf weeds and sedges. For grass control, you must tank-mix it with a compatible graminicide.
2. Is it safe to plant Wheat after using this herbicide?
Yes. Wheat is generally tolerant and safe as a follow-up crop. However, avoid planting mustard, maize, or legumes immediately due to soil residue.
3. What if it rains after I spray?
Sumet Pro requires 4 to 6 hours of dry weather to be fully absorbed. Rain immediately after spraying may reduce efficacy.
4. Can I mix it with insecticides?
Yes, it is generally compatible with insecticides like Fipronil (for stem borer) and Chlorpyrifos. Always perform a small jar test first.
5. Why is the dosage so low (8g)?
This is a high-potency Sulfonylurea formulation. 8 grams contains enough active ingredients to cover 1 acre. Overdosing is unnecessary and can harm the soil.
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 drain paddy water directly into fish ponds immediately after application.