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Tribenuron-methyl 75% WP Herbicide

Tribenuron-methyl is a sulfonylurea-based herbicide designed to offer selective, post-emergence control of broadleaf weeds in cereal crops. It inhibits the acetolactate synthase (ALS) enzyme in susceptible weeds, disrupting amino acid synthesis and cell division. The result is rapid weed growth cessation, leading to desiccation and eventual death. This herbicide is especially valued for its low application rate, high selectivity, and minimal environmental persistence.

    product detail

    Product Name Tribenuron-methyl 75% WP
    Active Ingredient 75% Tribenuron-methyl
    CAS Number 101200-48-0
    Molecular Formula C₁₅H₁₇N₅O₆S
    Formulation Type Wettable Powder (WP)
    Chemical Class Sulfonylurea
    Mode of Action Inhibits ALS enzyme → halts amino acid synthesis → stops weed growth
    Target Weeds Broadleaf weeds (chickweed, shepherd’s purse, mustard, pigweed, lamb’s quarters)
    Target Crops Wheat, barley, oats, rye, sorghum (tolerant hybrids)
    Recommended Dosage 15–30 g/ha (post-emergence, 2–5 leaf stage of weeds)
    Water Volume 200–400 L/ha
    Application Method Foliar spray using flat fan nozzles
    Reapplication Interval As needed, based on weed pressure and crop condition
    Tank Mix Compatibility Compatible with many herbicides (perform jar test before mixing)
    Packaging Options 100g, 250g, 500g, 1kg (custom sizes and labeling available)
    Shelf Life 2 years (store in cool, dry, well-ventilated place)
    Safety Measures Wear gloves, goggles, long-sleeved clothing during use
    Environmental Profile Low soil persistence, low mammalian toxicity, not volatile
    Precautions Avoid use near water bodies; do not apply to stressed crops
    Manufacturer POMAIS Agriculture
    Support Offered Technical support, free samples, MSDS, COA, marketing materials

    Mechanism of Action

    Tribenuron-methyl acts systemically by being absorbed through the foliage and translocated to the meristematic tissues where it inhibits ALS enzyme activity. The suppression of this enzyme halts the synthesis of essential branched-chain amino acids such as valine, leucine, and isoleucine, which are critical to cell division and growth. The affected weeds stop growing within hours of application and typically die within 1 to 3 weeks, depending on environmental conditions.

    Key Advantages

    • Effective Broadleaf Weed Control: Controls many species such as chickweed, shepherd's purse, mustards, pigweed, and lamb's quarters.
    • High Crop Selectivity: Safe for use in wheat, barley, rye, oats, and other cereals.
    • Low Use Rates: Typically applied at 15–30 grams per hectare, significantly reducing chemical load and cost.
    • Tank Mix Flexibility: Compatible with a range of other herbicides for customized weed control solutions.
    • Environmentally Friendly: Degrades rapidly in soil and has low mammalian toxicity.

    Target Weeds

    • Shepherd's purse (Capsella bursa-pastoris)
    • Chickweed (Stellaria media)
    • Wild mustard (Sinapis arvensis)
    • Pigweed (Amaranthus spp.)
    • Lamb’s quarters (Chenopodium album)
    • Wild radish, field pennycress, and other common broadleaf species

    Recommended Application

    Crop Target Weeds Dosage Application Timing
    Wheat & Barley Broadleaf weeds 15–30 g/ha Post-emergence, 2–5 leaf stage of weeds
    Oats & Rye Chickweed, mustard, lamb’s quarters 15–30 g/ha Apply when weeds are actively growing
    Sorghum (non-sensitive varieties) Broadleaf weeds 15–25 g/ha Only on tolerant hybrids, post-emergence

    Application Tips

    • Use a water volume of 200–400 L/ha.
    • Apply with flat fan nozzles for even distribution.
    • Avoid application during high wind, rainfall, or in temperatures below 10°C.
    • Do not apply to crops under stress from drought, frost, waterlogging, or nutrient deficiency.

    Compatibility and Mixing

    Tribenuron-methyl is compatible with several broadleaf and grass herbicides. When tank mixing:

    • Always perform a compatibility test.
    • Maintain proper mixing order: water > herbicide > surfactant.
    • Ensure thorough agitation during application.

    Packaging and Customization

    • Standard sizes: 100g, 250g, 500g, 1kg.
    • Custom packaging and multi-language labels available upon request.
    • Bulk and OEM options supported for large-volume buyers.

    Storage and Handling

    • Store in a cool, dry, and well-ventilated facility.
    • Keep away from food, feed, and water sources.
    • Use only with appropriate protective gear: gloves, goggles, and long-sleeved clothing.
    • Do not reuse empty containers. Dispose of in accordance with local environmental regulations.

    Environmental and Safety Profile

    • Low toxicity to humans and animals when used according to label.
    • Not persistent in soil. Degraded by microbial activity.
    • May pose a risk to aquatic organisms—avoid application near water bodies.
    • Not volatile and does not leach under normal soil conditions.

    Why Choose POMAIS Agriculture?

    • Direct Manufacturer Supply: Competitive pricing and consistent supply.
    • Certified Quality: ISO 9001:2015 manufacturing standards with full QC documentation.
    • Market Expertise: Successfully exported to over 30 countries with regulatory and logistics support.
    • Professional Support: Technical guidance, marketing materials, and after-sales assistance.

    Contact Us

    Ready to improve your weed management strategy? Contact POMAIS Agriculture today to request technical documentation, COA, MSDS, free samples, or pricing for Tribenuron-methyl 75% WP. Our team is ready to support your business and help you protect your crops efficiently and sustainably.