Metsulfuron-methyl Herbicide

We provide high-quality Metsulfuron-methyl Herbicide products with customized packaging and labeling services. Our products are manufactured under ISO 9001 certification, ensuring consistent quality and performance.

Metsulfuron-methyl Herbicide

Metsulfuron-methyl Herbicide is an essential tool for controlling tough broadleaf weeds and some grassy weeds in a wide range of crops, including wheat, barley, rice, and pastures. Its low use rates and long residual activity make it highly effective while minimizing environmental impact. Metsulfuron-methyl is available for sale in various formulations and packaging options to meet the needs of both large-scale agricultural operations and smaller farms.

For more details or to inquire about Metsulfuron-methyl Herbicide for sale, feel free to contact us!

Mode of Action – How Metsulfuron-Methyl Knocks Out Weeds

Metsulfuron-methyl is not your average weed killer—it’s a precision-guided missile for broadleaf and some grassy weeds. Classified as an ALS inhibitor herbicide, its power lies in disrupting a critical enzyme in plants: acetolactate synthase (ALS).

This enzyme is essential for producing three vital branched-chain amino acids—leucine, isoleucine, and valine—that plants need for cell division and growth. By blocking ALS, Metsulfuron-methyl causes a metabolic traffic jam that halts growth at the cellular level. Weeds stop growing, turn yellow, and eventually die off—without a dramatic burn-down effect, but with lethal efficiency.

Systemic & Selective Action

Metsulfuron-methyl is a selective, systemic herbicide, which means:

• It’s absorbed through both leaves and roots.
• It travels within the plant to meristematic tissues, targeting actively dividing cells.
• It spares your crop while eliminating weeds from the inside out.

This internal mode of action makes it especially useful in post-emergence treatments—perfect when weeds are already present but crop safety is paramount.

Why ALS Inhibition Matters

Because ALS is unique to plants (and not present in humans or animals), Metsulfuron-methyl boasts low mammalian toxicity. That means it’s tough on weeds, but easy on ecosystems—especially when used responsibly.

In short, it doesn’t just burn weeds—it outsmarts them at the molecular level.

Target Weeds & Application Spectrum – Precise Control Across Crops and Land Types

Metsulfuron-methyl is engineered for post-emergent control of broadleaf weeds and select grassy species that compete aggressively with crops or degrade rangelands. Whether you’re managing high-value cereal crops or reclaiming overgrown pastures, this herbicide delivers broad-spectrum performance with minimal disruption to your cropping system.

Primary Target Weeds

Metsulfuron-methyl effectively suppresses over 100 species of annual and perennial weeds. Key targets include:

• Broadleaf weeds:
  Chickweed, pigweed (Amaranthus spp.), wild mustard, shepherd’s purse, henbit, knotweed, thistles, wild radish, dandelions, dock, ragweed, curly dock.
• Woody & perennial weeds:
  Blackberries, gorse, broom, bindweed, buckwheat, prickly pear.
• Selective grassy weeds:
  Wild oats, bromegrass, and quackgrass in tolerant cropping systems.

These weeds can significantly reduce yield, quality, and profitability if left uncontrolled—especially in wheat, barley, rangelands, and rotational fields.

Application Spectrum

Thanks to its flexible formulation and systemic activity, Metsulfuron-methyl is suitable for:

Application Methods & Recommended Dosage – Precision Use for Maximum Weed Control

Metsulfuron-methyl delivers powerful post-emergent control at extremely low use rates, making it a cost-effective and agronomically sustainable choice. To maximize efficacy and minimize resistance risk, it is essential to apply this herbicide at the right growth stage of both crop and weed, using calibrated equipment and proper dilution.

Recommended Application Methods

• Foliar Spray: The most common and effective method, ideal for cereal crops, pastures, and non-crop zones. Apply using a ground sprayer equipped with flat-fan nozzles for uniform coverage.
• Spot Treatment: Recommended in rangelands and pastures where infestations are localized. Use handheld or backpack sprayers for targeted control of invasive weeds.
• Broadcast Application: For non-crop or industrial areas with dense vegetation, apply uniformly using boom sprayers or aerial spraying where permitted.

Always ensure adequate coverage and avoid drift to sensitive crops. Add a non-ionic surfactant (NIS) if required to improve leaf penetration, especially under dry conditions.

Dosage Guidelines by Crop & Use Area

Crop-Specific Applications – Tailored Weed Control Across Diverse Farming Systems

Metsulfuron-methyl is a precision-engineered herbicide trusted by professional growers across various crop types, offering consistent performance from cereal production to pasture and non-crop land management. Each application scenario is backed by field data and real-use compatibility, ensuring effective weed suppression while maintaining crop safety.

Wheat, Barley, and Oats

• Target Weeds: Wild mustard, shepherd’s purse, chickweed, pigweed, thistles
• Application Timing: Early post-emergence (2–6 leaf stage of weeds)
• Benefit: Preserves yield potential during the critical early competition phase; compatible with tank-mixes for broader spectrum control.

Rice (Dryland & Upland Systems)

• Target Weeds: Broadleaf species and sedges common in paddy-to-upland rotations
• Application Timing: Tillering stage of rice or early weed flushes
• Notes: Excellent selectivity in rice paddies, with proven results in mixed systems with minimal crop injury.

Maize (Corn)

• Target Weeds: Amaranth, lambsquarters, wild radish
• Application Mode: Often tank-mixed with atrazine or simazine for enhanced residual effect
• Result: Reduces early weed pressure in conservation tillage and high-density planting systems.

Pastures and Rangelands

• Target Weeds: Ragwort, dock, blackberry, gorse, thistles
• Application Method: Broadcast or spot spraying depending on infestation scale
• Advantages: Long residual effect and low animal toxicity make it ideal for rotational grazing zones.

Oilseed Rape (Canola)

• Use Objective: Clean planting beds in pre-plant burndown or selective post-emergence regimes
• Caution: Must observe crop sensitivity in certain varieties; consult residual interval recommendations.

Non-Crop & Industrial Areas

• Use Cases: Roadsides, railways, utility lines, fence rows
• Benefits: Suppresses perennial and brush species long-term with minimal retreatment needs
• Integration: Often paired with glyphosate or triclopyr for total vegetation control.

This crop-specific approach allows you to present Metsulfuron-methyl as not just a general-purpose herbicide, but a versatile weed control platform tailored to each agricultural challenge your customers face. Whether targeting export markets focused on cereal yield protection or extensive rangeland management, you can align your offerings with practical, proven use cases.

Mixed Formulation Options – Extend Your Portfolio with Strategic Combinations

Metsulfuron-methyl’s chemical compatibility and synergistic activity with other herbicides make it a powerful candidate for mixed formulations. These combinations enhance weed spectrum control, delay resistance development, and support integrated weed management programs across diverse cropping systems.

Popular Mixed Formulation Options with Metsulfuron-methyl

Note: All combinations are supported by compatibility testing. We recommend a jar test before large-scale mixing and always adhering to local regulatory guidelines for co-formulated products.

Why Mixed Formulations Matter for Your Market

• Wider Weed Control Spectrum: Extend product effectiveness against mixed infestations.
• Simplified Application: One-pass solutions reduce labor and equipment costs.
• Market Differentiation: Stand out in competitive markets with custom combinations tailored to local weed pressures.
• Regulatory Streamlining: We assist with dossier preparation and formulation trials for new product registration in target regions.

POMAIS Support for Mixed Formulation Development

As your manufacturing partner, POMAIS offers:

• Custom blending and formulation design based on your market data
• Technical support for field trials and biological efficacy evaluation
• Flexible packaging and labeling for dual-active or triple-active products
• Regulatory documentation for new registration submissions

Mixed formulations built around Metsulfuron-methyl not only offer agronomic value but also enhance your commercial strategy—by aligning efficacy with user convenience and local weed challenges. Whether you’re seeking a differentiated product line or adding depth to your existing herbicide brand, POMAIS can support your full development journey.

Tank Mix Compatibility & Integrated Weed Management Role

Metsulfuron-methyl is engineered for versatile compatibility, making it a core component in modern, multi-mechanism weed control programs. Its flexibility in tank mixes and integration into resistance management strategies help growers achieve consistent and sustainable results across diverse cropping systems.

Tank Mix Flexibility

• Broad Compatibility with Major Herbicides
  Metsulfuron-methyl can be safely mixed with a wide range of herbicides, including:
  • Glyphosate – For total weed knockdown in non-crop and industrial zones.
  • 2,4-D or Dicamba – For enhanced broadleaf control in cereals and rangelands.
  • Atrazine or Simazine – For extended residual action in maize and sugarcane fields.
  • Chlorimuron-ethyl or Fluroxypyr – To broaden spectrum and prevent escapes in soybean or fallow fields.
• Stable Formulations in Combination
  Our high-purity Metsulfuron-methyl ensures excellent physical and chemical stability when mixed, with no risk of sedimentation, foaming, or nozzle blockage—reducing downtime and ensuring application precision.
• Adjuvant Compatibility
  Fully compatible with common non-ionic surfactants, crop oils, and ammonium sulfate (AMS), enhancing uptake and effectiveness on waxy or mature weeds.

Tip: Always conduct a jar test before large-scale application and follow proper mixing sequence: water → compatibility agent (if needed) → Metsulfuron-methyl → partner herbicide → adjuvants.

Role in Integrated Weed Management (IWM)

• Resistance Management Backbone
  Metsulfuron-methyl acts as a Group 2 herbicide (ALS inhibitor), making it a key tool in rotational and mixture programs targeting resistant weed biotypes, especially 2,4-D and glyphosate-resistant broadleaf species.
• Diverse Use Patterns Across Systems
  From cereal rotations and minimum tillage practices to perennial pasture management and non-crop vegetation control, this herbicide plays a crucial role in reducing weed seedbanks and preventing early-season competition.
• Ideal for Pre- or Post-emergence Programs
  Its systemic movement and residual control complement both burn-down and extended suppression strategies, fitting seamlessly into IWM timelines without overlapping with other MoAs (Modes of Action).
• Reduced Reliance on Repetitive Chemistry
  By offering long-lasting effects at low rates, Metsulfuron-methyl reduces over-reliance on high-dose contact herbicides, improving soil and crop system health in the long run.

Benefits & Technical Advantages – Built for Efficiency, Selectivity, and Crop Safety

Metsulfuron-methyl herbicide is engineered to deliver reliable, economical, and environmentally-conscious weed control across a wide range of cropping systems. Its molecular precision and systemic behavior provide broad-spectrum efficacy with minimal input, making it ideal for both intensive agriculture and extensive vegetation management.

Key Benefits of Metsulfuron-methyl

• Ultra-Low Application Rates
  Delivering full-spectrum control at just 3–8 grams per hectare, this herbicide reduces product usage, freight, and handling costs, offering a leaner weed control program without compromising performance.
• Broad-Spectrum Weed Control
  Targets over 100 species of broadleaf and select grassy weeds, including hard-to-control perennials like dock, thistle, blackberry, and pigweed. Suitable for both crops and non-crop zones.
• Selective and Crop-Safe
  Designed to preserve yield and plant health in cereal crops, rice, and pastures. It selectively targets weeds without harming the primary crop, even under post-emergent conditions.
• Long Residual Activity
  Provides extended weed suppression after application, reducing the need for frequent re-spraying and minimizing labor inputs. A strategic tool for long-term vegetation control.
• Systemic Mode of Action
  Absorbed via both leaves and roots, Metsulfuron-methyl moves through the xylem and phloem to inhibit growth at the plant’s growing points—ensuring complete weed kill from the inside out.
• Excellent Rainfastness
  Rain-safe within 4–6 hours after application, ensuring consistent performance even in variable field conditions.
• Tank-Mix Flexibility
  Compatible with herbicides like glyphosate, 2,4-D, and dicamba, allowing you to customize weed control programs based on crop stage and weed resistance profile.
• Safe for the Environment
  Low toxicity to mammals, birds, and aquatic organisms under label conditions. Designed for reduced chemical footprint and compliance with modern sustainability standards.

Rainfastness & Environmental Behavior – Reliable Under Rain, Responsible for the Environment

Metsulfuron-methyl is formulated to maintain high field performance even under challenging weather and ecological conditions. Its rainfastness and environmental profile make it a preferred choice for sustainable agriculture and regulatory compliance worldwide.

Rainfastness Performance

• Rain-Safe in 4–6 Hours
  After application, Metsulfuron-methyl becomes fully rainfast within 4 to 6 hours, ensuring consistent efficacy and minimizing reapplication costs in areas with unpredictable rainfall patterns.
• Stable Under Sunlight and Heat
  The active ingredient demonstrates excellent photostability, retaining herbicidal activity even in high-temperature or high-UV environments—ideal for arid and semi-arid regions.
• No Volatility or Drift Risk
  Designed for low vapor pressure, it minimizes off-target movement, protecting neighboring crops and sensitive vegetation. This makes it safe for use near valuable non-target zones like orchards or protected forests.

Environmental Impact & Safety Profile

• Low Use Rate = Lower Environmental Load
  Effective at just a few grams per hectare, Metsulfuron-methyl drastically reduces chemical input per acre, aligning with the principles of precision agriculture and eco-efficient farming.
• Minimal Leaching Risk
  With low water solubility and strong soil binding affinity, this herbicide presents limited risk to groundwater, even in areas with light sandy soils or frequent irrigation.
• Low Toxicity to Wildlife
  Under label-recommended usage, Metsulfuron-methyl is classified as low-toxicity for birds, mammals, and most aquatic organisms, supporting biodiversity around treated zones.
• Pollinator Awareness
  As a non-insecticidal herbicide, it poses no direct harm to bees or pollinators when used as directed, making it suitable for use in flowering crop landscapes with proper buffer management.

Formulation & Packaging Options – Tailored for Global Distribution and Brand Scalability

At POMAIS, we understand that herbicide effectiveness isn’t just about the active ingredient—it’s also about the right formulation, packaging, and delivery system to match your market, crop type, and regulatory requirements. That’s why our Metsulfuron-methyl herbicide is available in multiple optimized formats, supported by full OEM/ODM services for global distributors and brand owners.

Available Formulation Types

We offer Metsulfuron-methyl in multiple standardized and custom formulations to suit different market needs and application preferences:

Regulatory & Safety Compliance

Metsulfuron-methyl is classified as a low-toxicity herbicide when used as directed, and it complies with safety and environmental standards across key agricultural markets. As a responsible manufacturer and exporter, POMAIS ensures every batch is traceable, documented, and compliant with the regulatory expectations of importing countries.

Global Regulatory Compliance

• ISO-Certified Production
  All Metsulfuron-methyl herbicide formulations are produced in ISO 9001:2015 certified facilities, ensuring consistent quality, process integrity, and batch reproducibility.
• Export-Ready Documentation
  We provide full regulatory documentation, including:
  • COA (Certificate of Analysis)
  • MSDS (Material Safety Data Sheet)
  • TDS (Technical Data Sheet)
  • Phytosanitary Certificate (upon request)
    These documents are tailored to meet the regulatory requirements of regions including Latin America, the Middle East, Africa, Southeast Asia, and Eastern Europe.
• Pre-Harvest Interval (PHI)
  Metsulfuron-methyl typically requires a 15–20 day PHI, depending on crop type and local registration label—ensuring food safety in line with GAP (Good Agricultural Practice) standards.

Toxicity & Environmental Safety

• Mammalian Toxicity: Low acute toxicity to humans and domestic animals under standard use.
• Ecotoxicology: Low risk to birds and aquatic species; moderate toxicity to some aquatic invertebrates—avoid application near water bodies.
• Pollinator Safety: Safe when applied outside flowering periods; minimize drift to flowering plants to protect bees.

Worker Safety & Use Restrictions

• Personal Protection: Applicators should wear PPE, including gloves, long clothing, and masks during handling and spraying.
• Re-Entry Interval (REI): Field re-entry is typically allowed once the spray has dried, unless local guidelines specify otherwise.
• Label-Adherence: Always follow local label instructions regarding dose, timing, and compatible crops to ensure legal and agronomic compliance.

POMAIS Commitment: With over a decade of agrochemical export experience, we support clients with registration documents, custom labeling, and region-specific compliance consulting to help streamline your market entry and avoid costly delays.

Storage & Handling Guidelines

To ensure maximum product integrity and safe usage, Metsulfuron-methyl herbicide should be stored, handled, and transported following industry best practices and local regulatory requirements. Proper storage not only preserves its herbicidal activity but also safeguards the safety of workers and the environment.

Storage Recommendations

• Cool, Dry, and Ventilated Environment
  Store the product in a cool (below 30°C), dry, and well-ventilated place, away from direct sunlight, heat sources, and high humidity to maintain formulation stability.
• Original, Sealed Containers
  Always keep Metsulfuron-methyl in its original, clearly labeled packaging, tightly sealed to prevent moisture ingress or accidental spillage. Do not reuse empty containers for any other purpose.
• Segregated Storage Zones
  Keep herbicides separated from food, feed, seeds, and fertilizer to avoid cross-contamination. Dedicated pesticide storage cabinets or warehouses are strongly recommended.
• Stacking & Palletization
  For bulk warehouse storage, stack cartons on pallets with proper ventilation between layers, and avoid stacking higher than manufacturer recommendations to prevent packaging deformation.

Handling & Transport Safety

• Personal Protective Equipment (PPE)
  When handling the product or preparing spray solutions, wear chemical-resistant gloves, long sleeves, protective eyewear, and a mask to avoid skin and respiratory exposure.
• Spill Control
  In case of accidental spillage, use dry absorbent material (like sand or sawdust) to contain and collect waste. Do not wash into drains or water bodies.
• Transport Regulations
  While Metsulfuron-methyl is classified as low toxicity, it should still be transported as a regulated agrochemical. Ensure compliance with local transport laws, using appropriate labels and documentation (e.g., MSDS, COA).
• Shelf Life
  Under proper storage conditions, Metsulfuron-methyl formulations typically maintain efficacy for at least 2 years from the date of manufacture. Refer to batch labels for exact expiry.

Note: Always refer to the product’s Safety Data Sheet (SDS/MSDS) and local regulations for detailed guidance.

Why Choose POMAIS as Your Metsulfuron-methyl Supplier

As a trusted herbicide manufacturer and exporter, POMAIS offers more than just high-quality active ingredients—we deliver complete solutions tailored for international distributors and brand owners. With years of experience in sulfonylurea herbicides like Metsulfuron-methyl, we understand what global markets demand: performance, consistency, and regulatory readiness.

You benefit from our OEM & ODM services, including flexible formulation adjustments, multi-language labeling, and brand-oriented packaging options. All products are manufactured under ISO 9001-certified facilities, ensuring batch-to-batch consistency and compliance with strict quality control protocols.

We provide full export documentation support, including COA, MSDS, TDS, and phytosanitary certificates, helping you meet import requirements in markets like the Middle East, Africa, Southeast Asia, and Latin America. Our logistics network is optimized for bulk shipping, whether containerized or palletized, ensuring safe and timely delivery to your destination.

Partnering with POMAIS means having a manufacturing team that understands herbicide registration, product positioning, and field application standards, helping you build a competitive and reliable product line in your region.

Frequently Asked Questions About Metsulfuron-Methyl Herbicide

1. What is the mode of action of Metsulfuron-methyl?

Metsulfuron-methyl inhibits the acetolactate synthase (ALS) enzyme in plants, blocking the production of essential branched-chain amino acids (valine, leucine, isoleucine). This disruption halts cell division, eventually leading to weed death. It is absorbed both through foliage and roots for systemic action.

2. What is Metsulfuron-methyl used for?

It is widely used for controlling broadleaf weeds and select grassy weeds in crops such as wheat, barley, oats, and also in non-crop areas like pastures, rangelands, and roadsides. It’s valued for its low-dose efficacy and long residual control.

3. How do you apply Metsulfuron-methyl herbicide?

Mix Metsulfuron-methyl with water as directed on the product label and apply as a post-emergent foliar spray during the active growth phase of weeds. Adhere to the recommended dosage per crop type for optimal performance and crop safety.

4. What weeds does Metsulfuron-methyl kill?

It is effective against a wide range of broadleaf weeds including mustard, thistle, clover, pigweed, ragweed, wild oats, and woody invasive species like gorse and blackberries. It also suppresses certain grassy weeds under appropriate conditions.

5. Can Metsulfuron-methyl be used on centipede lawns?

Yes, Metsulfuron-methyl can be used to control broadleaf weeds in centipedegrass lawns, but it must be applied carefully and according to label instructions to avoid phytotoxicity.

6. Is Metsulfuron-methyl effective on bridal creeper?

Absolutely. Metsulfuron-methyl is one of the most reliable herbicides for controlling bridal creeper, a noxious weed commonly targeted in environmental and rangeland management programs.

7. Is Metsulfuron-methyl safe for humans and the environment?

When used according to labeled guidelines, Metsulfuron-methyl is considered low in toxicity for humans, animals, and most non-target organisms. However, avoid drift, protect desirable plants, and keep children and pets away from treated areas until dry.

Ready to expand your herbicide portfolio with a proven sulfonylurea solution?

POMAIS is your strategic partner for high-quality Metsulfuron-methyl herbicide, supporting everything from OEM customization to global export compliance. Whether you’re launching a new product line, enhancing your current offering, or seeking reliable bulk supply—we are prepared to support you with technical expertise, consistent formulations, and market-specific service.

Contact us today to discuss formulation options, packaging customization, or request technical documentation and samples. Our team of agrochemical professionals is ready to assist you in building a strong, competitive presence in your market.