Hunter Granules
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Hunter Granules (Butachlor 5% GR) – Expert Rice Herbicide by HPM
The ultimate "Broadcast and Forget" solution for weed-free Paddy fields.
Hunter Granules is a premium pre-emergence herbicide designed specifically for the Indian rice farmer. Manufactured by HPM Chemicals, this Butachlor 5% GR formulation offers a powerful shield against stubborn grasses and sedges during the most critical days after transplanting. By replacing expensive manual weeding with a simple granular application, Hunter helps you save money and secure your yield right from the start.
Effective against: Barnyard Grass, Jungle Rice, and various Sedges.
Why Choose This Product? Key Benefits
- ⏱️Drastically Reduces Labor Costs: One bag replaces the need for 15-20 manual laborers, saving you up to 70% on weeding costs.
- ?️Pre-Emergence Shield: Kills weeds before they can emerge and compete with your paddy for nutrients and sunlight.
- ⏳Easy "Broadcast" Application: No pumps or sprayers needed. The granular technology allows you to simply scatter it by hand in standing water.
- ?️Safe for Rice (Selective): Advanced selectivity ensures the weeds die while your rice plants remain healthy and green.
- ?Broad Spectrum Control: Target tough enemies like Echinochloa (Barnyard grass) and Sedges in a single application.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Hunter Granules |
| Technical Name | Butachlor 5% GR |
| IRAC MoA Code | Group K3 (VLCFA Inhibitor) |
| Chemical Group | Chloroacetanilide |
| Formulation | Granules (GR) |
| Toxicity Label | Blue/Green Triangle (Moderately Toxic) |
How It Works: Mode of Action
Hunter Granules works by inhibiting cell division in young weeds. Here is the simple 3-step process:
- Absorption: As weed seeds germinate, their shoots and roots absorb the chemical from the treated soil layer.
- Growth Stop: The active ingredient (Butachlor) stops the production of proteins needed for cell growth (VLCFA inhibition).
- Weed Death: The emerging weed seedling becomes twisted, fails to emerge, and dies. Rice plants are safe because they have enzymes (GST) that naturally detoxify the chemical.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Transplanted Paddy (Rice) | Barnyard Grass (Echinochloa crus-galli) |
| Direct Seeded Rice (Wet) | Jungle Rice (Echinochloa colonum) |
| Lowland Rice | Sedges (Cyperus difformis, Cyperus iria) |
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 (kg / Acre) | Water (L / Acre) | Application Mode | PHI (Days) |
|---|---|---|---|---|
| Paddy (Heavy Soil) | 12 - 16 kg | Standing Water | Broadcast | 90-110 |
| Paddy (Light Soil) | 10 - 12 kg | Standing Water | Broadcast | 90-110 |
| Transplanted Rice | 10 - 16 kg | Standing Water | Broadcast | 90-110 |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Note: Since this is a granular product, we have updated the dosage column to 'kg' for accuracy.
How to Apply: Best Practices
- Timing: Apply strictly between 3 to 7 Days After Transplanting (DAT). Applying too late will reduce effectiveness.
- Mixing: This is a ready-to-use granule. No mixing with water is required. You can mix it with sand for better distribution if needed.
- Coverage: Maintain standing water (3-5 cm depth) in the field for 4 to 5 days after application. Do not drain the water, as this breaks the chemical barrier.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid direct contact with skin to prevent "paddy itch."
Frequently Asked Questions
1. Can I use Hunter Granules for vegetables?
No, Hunter Granules is specifically designed for Rice (Paddy). Using it on other crops may cause damage.
2. What is the difference between Hunter 50 EC and Hunter Granules?
Hunter 50 EC is a liquid that needs spraying. Hunter Granules (5% GR) is a solid that can be broadcast by hand, making it easier to use in standing water.
3. Is this product safe for fish in my paddy field?
No. Butachlor is toxic to fish. Do not use this product if you are practicing rice-fish farming or aquaculture in the same field.
4. What happens if I apply it 15 days after transplanting?
It will likely be ineffective. Hunter is a pre-emergence herbicide, meaning it kills weeds as they germinate. By day 15, weeds have already grown roots and will resist the chemical.
5. Do I need to drain the water before applying?
No! You must have 3-5 cm of standing water in the field. This water helps dissolve the granules and spread the medicine evenly across 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.