Metri Herbicide-(Rallis Crop Protection)
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Metri Herbicide: Advanced Metribuzin 70% WP for Superior Weed Control
Trust the power of Rallis India (Tata Enterprise) to protect your Wheat, Soybean, and Sugarcane yields from tough weeds.
Metri Herbicide is a selective, systemic solution designed to replace expensive manual weeding. Formulated as a 70% Wettable Powder (WP), it provides broad-spectrum control against both grasses and broadleaf weeds. Whether you are fighting Phalaris minor in wheat or stubborn weeds in sugarcane, Metri works by stopping weed photosynthesis from the inside out.
Best for: Farmers looking for a cost-effective, high-performance alternative to manual labor that tackles herbicide-resistant weeds.
Why Choose This Product? Key Benefits
- ⏱️Drastically Reduces Labor Costs: One application replaces days of manual weeding, costing nearly 80% less than hiring labor.
- ?️Controls Resistant Weeds: Highly effective against resistant Phalaris minor (Mandusi/Gulli Danda) in Wheat where other herbicides fail.
- ⏳Long-Lasting Protection: Stays active in the soil to kill new weeds for 2 to 4 weeks after spraying.
- ?️Dual Action Power: Works through both roots and leaves, ensuring weeds are attacked from all angles.
- ?Multi-Crop Versatility: Safe and effective for use on Wheat, Soybean, Sugarcane, Potato, and Tomato.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Metri (Rallis India) |
| Technical Name | Metribuzin 70% WP |
| IRAC MoA Code | Group 5 (Photosynthesis Inhibitor) |
| Chemical Group | Triazinone |
| Formulation | Wettable Powder (WP) |
| Toxicity Label | Blue Triangle (Moderately Toxic) |
How It Works: Mode of Action
Metri Herbicide works by starving the weed of energy. It is a photosynthetic inhibitor that disrupts the plant's ability to process sunlight.
- Absorption: Upon spraying, the herbicide is rapidly absorbed by the roots (from soil) and leaves (from direct contact).
- Translocation: It moves upward through the plant's water channels (xylem), spreading the active ingredient to the stems and foliage.
- Elimination: It blocks the electron transport chain in the chloroplasts. This stops energy production, causing the weed to turn yellow (chlorosis), dry out, and die within 1-2 weeks.
Target Crops & Pests
| Crop | Target Pest(s) |
|---|---|
| Wheat | Phalaris minor (Gulli Danda), Chenopodium (Bathua), Melilotus |
| Soybean | Digitaria, Trianthema (Horse Purslane), Echinocloa |
| Sugarcane | Cyperus rotundus (Motha), Broadleaf vines, Parthenium |
| Potato & Tomato | Chenopodium, Amaranthus, Summer grasses |
Dosage & Application Guide
The Golden Rule: Always follow the "Dose per Acre" for accurate results. Adjust dose based on soil type (use higher dose for heavy clay soils, lower for light sandy soils).
Dosage per Acre, Water Volume, & Pre-Harvest Interval (PHI)
| Crop | Dose (g / Acre) | Water (L / Acre) | Approx Dose (g / Litre) | PHI (Days) |
|---|---|---|---|---|
| Wheat | 100 - 120 g | 200 L | 0.5 - 0.6 g | 120 |
| Soybean | 200 - 300 g | 200 L | 1.0 - 1.5 g | 120 |
| Sugarcane | 400 - 500 g | 200 - 250 L | 2.0 g | 120 |
| Potato | 200 - 300 g | 200 L | 1.0 - 1.5 g | 120 |
| Tomato | 200 - 300 g | 200 L | 1.0 - 1.5 g | 60 |
*PHI = Pre-Harvest Interval: The minimum number of days to wait between the last spray and harvesting. Note: Doses are in grams (g) as this is a powder formulation.
How to Apply: Best Practices
- Timing (Wheat): Apply Post-Emergence between 30-35 Days After Sowing (DAS). Applying too early may harm the crop; applying too late reduces control.
- Timing (Soybean/Potato): Best used as Pre-Emergence (0-3 DAS). Spray immediately after sowing but before crop seedlings emerge.
- Mixing: As a Wettable Powder, Metri must be mixed well. Fill the tank half with water, add the powder while stirring, then fill the rest. Maintain agitation.
- Coverage: Use a flat fan nozzle. Ensure soil has adequate moisture at the time of application for best results.
- Safety: Always wear PPE (gloves, mask, goggles). Wash hands thoroughly after use. Avoid inhalation of dust.
Frequently Asked Questions
1. Is Metri safe for all Soybean varieties?
Some sensitive varieties, like JS 335, can suffer injury from Metribuzin. If you are planting JS 335 or are unsure of your variety's tolerance, consult an agronomist or use a lower dose on a small test patch first.
2. Can I plant Mustard immediately after harvesting a Metri-treated crop?
Caution is advised. Metri has residual activity that can affect sensitive succeeding crops like Mustard, Lentils, or Sunflower. A safe gap of 4+ months is usually required for Wheat, but sensitive crops may need longer. Conduct a simple soil bioassay before planting Mustard.
3. Is this herbicide rainfast?
Yes, Metri is rainfast approximately 6 hours after application. For pre-emergence use, light rain after 24 hours actually helps activate the chemical in the soil.
4. Can I mix Metri with other herbicides?
Yes. In Wheat, it is often mixed with Clodinafop (Topic) for broader grass control. In Soybean, it works well with Pendimethalin. Always dissolve the Metri powder in water before adding other liquid chemicals (EC/SL).
5. Why is soil moisture important?
Metri needs soil moisture to be absorbed by weed roots. If the soil is completely dry, the herbicide stays on the surface and will not kill the weeds effectively.
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.
