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HPM Biochlor Herbicide: Expert Weed Control for Soybeans (Chlorimuron Ethyl 25% WP)
Protect your yield with advanced Sulfonylurea technology designed specifically for the Indian Kharif season.
HPM Biochlor is a premium systemic herbicide manufactured by HPM Chemicals & Fertilizers Ltd. Based on the active ingredient Chlorimuron Ethyl (25% WP), it offers a powerful solution for controlling tough broadleaf weeds and sedges in Soybean fields. Unlike older chemicals, Biochlor works at very low dosages, targeting the weed's enzymes to stop growth immediately while keeping your crop safe.
Best For: Farmers seeking cost-effective, post-emergence weed control with rapid rainfastness.
Why Choose This Product? Key Benefits
- ⏱️Rapid Action: Weeds stop growing within hours of application as the chemical targets their enzyme systems.
- ?️High Crop Safety: Soybean plants naturally metabolize and detoxify the chemical, ensuring the crop remains healthy while weeds die.
- ⏳Systemic Control: Absorbed by both leaves and roots, it travels to the weed's growing points to prevent regrowth.
- ?️1-Hour Rainfastness: The formula sticks and absorbs quickly, making it ideal for the rainy monsoon season.
- ?Low Dosage Efficiency: Highly potent formulation requires only 15g of active product per acre, reducing chemical load.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | HPM Biochlor |
| Technical Name | Chlorimuron Ethyl 25% WP |
| IRAC MoA Code | Group 2 (ALS Inhibitor) |
| Chemical Group | Sulfonylurea |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Blue / Caution (Refer to Label) |
How It Works: Mode of Action
Biochlor works by disrupting the internal "manufacturing plant" of the weed. It is a systemic herbicide that moves through the plant's fluids (xylem and phloem).
- Absorption: Upon spraying, the chemical is rapidly absorbed by the weed's foliage (leaves) and roots.
- Translocation: It travels to the meristematic regions (the growing tips) of the plant.
- Enzyme Blockage: It inhibits the ALS (Acetolactate Synthase) enzyme. This blocks the production of essential amino acids (Valine, Leucine, Isoleucine), causing the weed to starve and die within 7–14 days.
Note: While weeds stop growing immediately, visual yellowing (chlorosis) and browning (necrosis) may take a week to appear.
Target Crops & Pests
[Image of healthy soybean crop field]| Crop | Target Pest(s) |
|---|---|
| Soybean | Broadleaf Weeds (e.g., Chenopodium album) |
| Soybean | Sedges (e.g., Cyperus rotundus) |
| Soybean | Dayflower (Commelina benghalensis) |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Overdosing can stress the crop.
Dosage per Acre, Litre, & Pre-Harvest Interval (PHI)
| Crop | Dose (g / Acre) | Water (L / Acre) | Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Soybean | 20 - 25g (Formulation) | 200 - 240 L | ~0.1g | See Label |
*Note: The recommended dose is 15g of Active Ingredient per acre, which translates to roughly 20-25g of the powder product.
How to Apply: Best Practices
- Timing: Apply 15–25 days after sowing (DAS) when weeds are in the 2–4 leaf stage for maximum kill.
- Mixing: Use a Knapsack Sprayer fitted with a Flat-Fan nozzle to ensure even distribution on weed leaves.
- Coverage: Ensure the soil moisture is adequate at the time of spraying. Do not spray if the crop is under stress (drought or flood).
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use.
Frequently Asked Questions
1. What is the active ingredient in HPM Biochlor?
It contains Chlorimuron Ethyl 25% WP, a sulfonylurea herbicide.
2. Is this product the same as the dairy feed additive "Bio-Chlor"?
No. This is a herbicide for crops. The feed additive (by Church & Dwight) is a completely different veterinary product. Do not confuse them.
3. When should I spray it on Soybeans?
The best window is post-emergence, between 15 to 25 days after sowing the crop.
4. What happens if it rains after spraying?
HPM Biochlor is rainfast within 1 hour. If it rains after that, the efficacy remains high.
5. Why do weeds turn yellow?
This is a sign that the herbicide has successfully stopped the production of amino acids. The weed is dying from the inside out.
Safety & Disclaimer
Regulatory Notice: Users are advised to verify the current regulatory status and batch validity of this product with local agricultural authorities before purchase, referring to the latest guidelines from the State Licensing Authority. 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.
