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Averstar Industrial Co., Ltd. SZ

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China Bispyribac-sodium 100g/L SC Rice Herbicide for Post-Emergence Broad-Spectrum
China Bispyribac-sodium 100g/L SC Rice Herbicide for Post-Emergence Broad-Spectrum

  1. China Bispyribac-sodium 100g/L SC Rice Herbicide for Post-Emergence Broad-Spectrum
  2. China Bispyribac-sodium 100g/L SC Rice Herbicide for Post-Emergence Broad-Spectrum
  3. China Bispyribac-sodium 100g/L SC Rice Herbicide for Post-Emergence Broad-Spectrum
  4. China Bispyribac-sodium 100g/L SC Rice Herbicide for Post-Emergence Broad-Spectrum

Bispyribac-sodium 100g/L SC Rice Herbicide for Post-Emergence Broad-Spectrum

  1. MOQ: 1000L
  2. Price: $1-$10
  3. Get Latest Price
CAS_No 125401-92-5
Delivery Time 3-5weeks
EINECS_No 603-066-4
Payment Terms L/C,D/A,D/P,T/T,Western Union
name Bispyribac-sodium 100g/L SC
Mol 125401-92-5.mol
molecular formula C19H17N4NaO8
Supply Ability 10000L
Brand AVERSTAR
molecular weight 452.35
Packaging Details 250ml,500ml,1l,20l,200l
Model Number Bispyribac-sodium 100g/L SC
Certification COA,MSDS
Brand Name AVERSTAR
Place of Origin Guangdong,Shenzhen,China

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Product Specification

CAS_No 125401-92-5 Delivery Time 3-5weeks
EINECS_No 603-066-4 Payment Terms L/C,D/A,D/P,T/T,Western Union
name Bispyribac-sodium 100g/L SC Mol 125401-92-5.mol
molecular formula C19H17N4NaO8 Supply Ability 10000L
Brand AVERSTAR molecular weight 452.35
Packaging Details 250ml,500ml,1l,20l,200l Model Number Bispyribac-sodium 100g/L SC
Certification COA,MSDS Brand Name AVERSTAR
Place of Origin Guangdong,Shenzhen,China
High Light Post-Emergence Rice HerbicideBroad-Spectrum Control Rice HerbicideSystemic Action Selective Herbicide
Bispyribac-sodium 100g/L SC Selective Rice Herbicide
Product Overview website
Item Details
Product Name Bispyribac-sodium SC
Active Ingredient Bispyribac-sodium 100g/L
CAS Number 125401-92-5
Chemical Class Pyrimidinyl salicylic acid / pyrimidinyl thiobenzoate (sulfonylurea-related ALS-inhibitor family)
HRAC Mode of Action Group Group 2 (ALS inhibitor)
Formulation Type SC (Suspension Concentrate)
Applicable Crop Rice (transplanted and direct-seeded)
Application Timing Post-emergence (foliar application)
Target Weeds Grasses (including Echinochloa spp./barnyard grass), sedges, and broadleaf weeds
Typical Application Rate 30–100 g active ingredient/ha, depending on weed pressure and growth stage
Mechanism of Action

Bispyribac-sodium belongs to the pyrimidinyl salicylic acid chemical family and functions as an acetolactate synthase (ALS) inhibitor. This systemic herbicide blocks the production of branched-chain amino acids — valine, leucine, and isoleucine — essential for plant growth, leading to chlorosis and eventual weed death.

The compound is rapidly absorbed by weed foliage and roots, translocates throughout the plant via phloem, and reaches meristematic tissues where it inhibits the ALS enzyme. Visible results typically appear within a few days, with complete weed control achieved in approximately 2–3 weeks.

Rice tolerance is attributed to metabolic detoxification through glucoside conjugation, allowing rice plants to break down the active ingredient while susceptible weeds lack this detoxification pathway.

Field Performance

Field research demonstrates effective control of grasses, sedges, and broad-leaved weeds, particularly Echinochloa spp. (barnyard grass), in direct-seeded rice at rates of 15–45 g/ha. Typical application rates range from 30–100 g active ingredient per hectare depending on weed spectrum and crop stage.

The product offers application timing flexibility, suitable for both early and late post-emergence stages, generally corresponding to the 2–5 leaf growth stage of target weeds.

Resistance Management

Due to documented weed resistance in several rice-growing regions, rotation with herbicides from different HRAC groups is essential. Resistance mechanisms include enhanced metabolic detoxification and target-site mutations affecting ALS enzyme binding affinity.

Recommended rotation partners include herbicides with different modes of action such as propanil (Photosystem II inhibitor) or cyhalofop-butyl (ACCase inhibitor). Formal HRAC guidance recommends rotation with Group 15 actives like S-metolachlor.

Application Guidance
  • Timing: Apply during post-emergence when target weeds are actively growing, ideally at 2–5 leaf stage
  • Water Management: Maintain shallow water layer during and after application for uniform distribution
  • Weed Spectrum: Effective against annual grasses, sedges, and broadleaf weeds; limited control against perennial weeds like Cyperus rotundus
  • Tank-Mix Options: Frequently paired with grass-selective ACCase inhibitors or rotated with Photosystem II inhibitors
Exact dosage rates, water management practices, and pre-harvest intervals should always follow product label and local plant protection authority recommendations.
Frequently Asked Questions
Is this a pre-emergence or post-emergence herbicide?
It is strictly a post-emergence, foliar-applied herbicide that targets weeds that have already emerged and requires uptake through leaf and stem tissue.
Does bispyribac-sodium control perennial weeds like nutsedge?
Effective against annual sedges and grasses but shows limited control against perennial species; integrated management with mechanical control is recommended.
Why does this product need rotation with other herbicide groups?
As an ALS inhibitor with documented weed resistance, rotation with herbicides from different HRAC groups helps delay resistance development.
Is it safe for rice at recommended application rates?
Yes, rice metabolizes bispyribac-sodium through glucoside conjugation, providing strong crop selectivity when applied according to label directions.
Is OEM or custom packaging available?
Yes, we offer OEM processing and custom packaging tailored to different export market requirements.
Why Source From Us
  • Factory-direct pricing: Competitive wholesale rates with no middleman markups
  • Consistent quality control: Standardized production ensuring stable suspension quality and active ingredient content
  • Flexible customization: OEM, private labeling, and custom packaging sizes available
  • Reliable stock availability: In-stock inventory to support peak rice-season demand
  • Export experience: Familiar with international registration documentation and shipping compliance
Sources referenced: PRIME Agro Industries, Chemical Warehouse, Scimplify, SM AgriChem, bioRxiv (2025), UC Davis Rice Research

Company Details

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,

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Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Seller

  • Total Annual:

    5000000-10000000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

About Averstar Industrial Co., Ltd. SZ Averstar Industrial Co., Ltd. SZ is a China-based manufacturer and exporter specializing in the design, formulation, and global supply of environmentally friendly, high-quality pesticide and agrochemical products. With a strong focus on cost-performance, we del... About Averstar Industrial Co., Ltd. SZ Averstar Industrial Co., Ltd. SZ is a China-based manufacturer and exporter specializing in the design, formulation, and global supply of environmentally friendly, high-quality pesticide and agrochemical products. With a strong focus on cost-performance, we del...

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  • Averstar Industrial Co., Ltd. SZ
  • RM1605, Building A, Zhantao Tech Tower, Minzhi RD, Longhua Dist, Shenzhen, China
  • https://www.herbicideglyphosate.com/

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