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Th8 . 29, 2025 00:20 Back to list

Pyrazosulfuron-ethyl 10%WP Herbicide for Superior Paddy Weed Control



Strategic Insights into Paddy Crop Weed Control

The global agricultural sector faces persistent challenges in optimizing crop yield and ensuring food security, particularly within vital staple crops like rice. Effective Paddy Crop Weed Control is paramount, as unchecked weed infestation can lead to yield losses ranging from 20% to a staggering 80% under severe conditions. Modern agriculture demands highly efficient, selective, and environmentally responsible solutions. This imperative drives continuous innovation in herbicide development, focusing on chemistries that offer superior efficacy at low application rates while maintaining crop safety and mitigating environmental impact.

Our focus today is on a leading-edge solution designed to meet these exacting requirements: Herbicide Pyrazosulfuron-ethyl 10%WP. This sophisticated formulation represents a critical advancement in the management of key weed species in rice paddies, offering growers a powerful tool to protect their investments and enhance productivity.

Industry Trends Shaping Modern Paddy Crop Weed Control

The landscape of Paddy Crop Weed Control is dynamic, influenced by several key trends:

  • Herbicide Resistance Management: The persistent evolution of weed resistance to established herbicide chemistries necessitates a continuous supply of new active ingredients and the implementation of robust resistance management strategies, including herbicide rotation and integrated weed management (IWM) programs.
  • Environmental Sustainability: Increasing regulatory scrutiny and public demand for eco-friendly agricultural practices drive the development of herbicides with favorable toxicological profiles, low leaching potential, and rapid degradation in the environment. Solutions like Herbicide Pyrazosulfuron-ethyl 10%WP are designed with these considerations in mind.
  • Precision Agriculture and Digitization: The adoption of precision agriculture technologies, including drone applications and IoT-enabled monitoring, allows for more targeted and efficient herbicide application, minimizing waste and optimizing efficacy.
  • Demand for Low-Dose Formulations: High-efficacy products that can be applied at low rates reduce the overall chemical load in the environment and lower logistical costs for growers, aligning with both economic and environmental objectives.
  • Integrated Pest and Weed Management (IPWM): A holistic approach combining biological, cultural, mechanical, and chemical control methods is gaining traction to ensure sustainable and long-term weed suppression.

These trends highlight the critical need for advanced, high-performance solutions like Herbicide Pyrazosulfuron-ethyl 10%WP, which effectively addresses pervasive weed challenges while supporting sustainable agricultural practices.

Understanding Herbicide Pyrazosulfuron-ethyl 10%WP: Technical Specifications

Pyrazosulfuron-ethyl is a selective, systemic sulfonylurea herbicide, specifically designed for effective broadleaf weed and sedge control in paddy rice. Its mode of action involves inhibiting acetolactate synthase (ALS), an enzyme crucial for the synthesis of branched-chain amino acids (valine, leucine, and isoleucine) in susceptible plants. This interruption leads to cell division inhibition and ultimately plant death. The 10% Wettable Powder (WP) formulation ensures excellent dispersibility and suspension stability in water, facilitating uniform application and optimal efficacy.

Key Product Specifications

Parameter Specification
Active Ingredient Pyrazosulfuron-ethyl
Concentration 10% w/w
Formulation Type Wettable Powder (WP)
CAS Number 101200-48-0
Mode of Action ALS Inhibitor (HRAC Group B)
Spectrum of Control Broadleaf weeds (e.g., Monochoria vaginalis, Lindernia spp., Rotala indica), Sedges (e.g., Cyperus difformis, Fimbristylis miliacea)
Application Timing Pre-emergence to early post-emergence in rice
Recommended Dosage (General) 60-100 g a.i./ha (variable by region and weed pressure)
Packaging Customizable (e.g., 100g, 250g, 500g bags)

These specifications underscore the precision and efficacy of Herbicide Pyrazosulfuron-ethyl 10%WP in targeted Paddy Crop Weed Control.

Pyrazosulfuron-ethyl 10%WP Herbicide for Superior Paddy Weed Control

Figure 1: High-quality formulation of Pyrazosulfuron-ethyl for efficient application.

The Manufacturing Process of Herbicide Pyrazosulfuron-ethyl 10%WP

The production of Herbicide Pyrazosulfuron-ethyl 10%WP adheres to stringent quality control protocols, ensuring a consistently high-performing product. The process is characterized by meticulous material selection, advanced manufacturing techniques, and rigorous testing standards.

Process Flow Overview

Step 1: Raw Material Sourcing & Synthesis of Technical Grade Active Ingredient (TGAI)

High-purity chemical intermediates are procured. The active ingredient, Pyrazosulfuron-ethyl, is synthesized through a multi-step organic chemical reaction sequence, ensuring the production of a TGAI with >98% purity. This involves precise temperature, pressure, and catalyst control.

Step 2: Micro-Milling and Particle Size Reduction

The synthesized TGAI undergoes advanced milling processes (e.g., air jet milling or hammer milling) to reduce particle size to the micrometer range. This ensures optimal dispersion, suspension stability, and biological activity of the final WP formulation, critical for efficacy in Paddy Crop Weed Control.

Step 3: Formulation Blending and Adjuvant Incorporation

The micro-milled TGAI is precisely blended with inert carriers (fillers) and specialized adjuvants, including wetting agents, dispersing agents, anti-caking agents, and sometimes stickers. This ensures homogeneous mixing and the characteristic Wettable Powder properties of Herbicide Pyrazosulfuron-ethyl 10%WP.

Step 4: Quality Control & Packaging

The finished WP formulation undergoes a battery of quality control tests for active ingredient content, particle size distribution, suspensibility, wettability, pH, and stability. Once approved, the product is precisely weighed and packaged into moisture-resistant, durable bags or container111s, ready for distribution.

Testing Standards and Certifications

Our manufacturing facilities operate under strict adherence to international standards:

  • ISO 9001: Certification for Quality Management Systems, ensuring consistent product quality and customer satisfaction.
  • GLP (Good Laboratory Practice): Adherence to GLP principles for all efficacy, toxicology, and environmental fate studies, ensuring data integrity and regulatory compliance.
  • FAO/WHO Specifications: Products meet or exceed the relevant specifications set by the Food and Agriculture Organization (FAO) and World Health Organization (WHO) for pesticide quality.

Service Life and Target Industries

Service Life: Under recommended storage conditions (cool, dry, away from direct sunlight), Herbicide Pyrazosulfuron-ethyl 10%WP maintains its efficacy for a minimum of 2-3 years, ensuring long-term shelf stability for distributors and growers.

Target Industries: The primary target industry is agriculture, with a specialized focus on rice cultivation globally. This includes large-scale commercial rice farms, agricultural cooperatives, and individual smallholder farmers engaged in transplanted and direct-seeded paddy systems. The product demonstrates significant advantages in energy saving (reduced manual weeding) and provides consistent corrosion resistance to standard spray equipment due to its stable, non-abrasive WP formulation.

Application Scenarios and Technical Advantages

The versatility and robust performance of Herbicide Pyrazosulfuron-ethyl 10%WP make it an indispensable tool across various Paddy Crop Weed Control scenarios.

Typical Application Scenarios:

  • Transplanted Rice: Applied 3-7 days after transplanting (DAT) as an early post-emergence treatment. This timing is crucial to catch germinating weeds before they establish and compete significantly with the young rice seedlings.
  • Direct-Seeded Rice (Wet or Dry): Can be used pre-emergence (0-3 days after seeding) to provide residual control against newly germinating weeds, or early post-emergence (5-15 days after seeding) when weeds are in their very early growth stages (1-3 leaf stage).
  • Water Management: Optimal efficacy is often achieved with standing water (2-3 cm) in the paddy field at the time of application, as this aids in uniform distribution and uptake by roots of susceptible weeds.

Distinct Technical Advantages:

  • Superior Selectivity: Herbicide Pyrazosulfuron-ethyl 10%WP exhibits high selectivity towards rice, ensuring minimal phytotoxicity and maximum crop safety, even under slight overdose conditions. This is a critical factor for maintaining yield potential.
  • Broad-Spectrum Efficacy: Provides excellent control over a wide range of troublesome broadleaf weeds and sedges, including species resistant to other herbicide chemistries, thus simplifying weed management programs.
  • Systemic Action: Absorbed quickly through both foliage and roots, translocating throughout the weed plant. This ensures complete control, including roots and emerging shoots, preventing regrowth.
  • Low Application Rate: Effective at remarkably low dosages, which translates to reduced chemical load per hectare, lower logistical costs, and a more favorable environmental profile. This aligns with modern sustainable agriculture goals.
  • Extended Residual Activity: Offers prolonged weed control, providing a persistent barrier against new weed flushes for several weeks post-application, reducing the need for repeat treatments and labor-intensive manual weeding.
  • Formulation Stability: The Wettable Powder formulation is highly stable, resisting degradation under typical storage conditions, and ensures consistent performance upon application. Its non-corrosive nature is advantageous for agricultural spray equipment, minimizing wear and maintenance costs.
  • Operational Efficiency: By offering robust and lasting weed control, it significantly reduces the labor requirement for manual weeding, leading to substantial energy saving and improved operational efficiency for rice growers.
Pyrazosulfuron-ethyl 10%WP Herbicide for Superior Paddy Weed Control

Figure 2: Effective weed control in paddy fields using Pyrazosulfuron-ethyl 10%WP.

Vendor Comparison and Strategic Partnership Considerations

Selecting the right supplier for critical agricultural inputs like Herbicide Pyrazosulfuron-ethyl 10%WP is a strategic decision that impacts not only immediate operational costs but also long-term crop yield, market reputation, and regulatory compliance. A comprehensive evaluation goes beyond price, encompassing product quality, technical support, and supply chain reliability.

Comparative Analysis of Supplier Attributes

Feature/Attribute Our Offering (Premium Partner) Standard Market Offering (Generic)
Active Ingredient Purity (TGAI) ≥ 98.0% (Certified) Varies, often 95-97% (Less consistent)
Formulation Quality (WP) Ultra-fine particle size, high dispersibility & suspensibility (ISO 7847 compliant) Variable particle size, potential for poor dispersibility/settling
Regulatory Compliance & Certifications ISO 9001, GLP, FAO/WHO compliant, full documentation support for local registration Basic local compliance, often limited international certifications
Technical Support & Agronomic Guidance Dedicated agronomist team, customized application protocols, trial data, resistance management advice Limited general product information, minimal field support
Supply Chain Reliability & Logistics Robust, multi-source raw materials, global logistics network, reliable lead times Prone to disruptions, longer lead times, limited shipping options
Customization & Flexibility Available for packaging, branding, co-formulations, regional adaptation Standard product offering only, no customization
Efficacy & Field Performance Proven in extensive global field trials, consistent weed control, high crop safety Variable, depending on manufacturer's R&D investment and quality control

This comparison highlights the profound difference a premium supplier makes. Partnering with a reputable manufacturer ensures not only superior product performance for Paddy Crop Weed Control but also access to unparalleled expertise and support, safeguarding agricultural investments and promoting sustainable growth.

Customized Solutions and Application Case Studies

Recognizing that agricultural challenges are diverse and region-specific, we offer tailored solutions to optimize the efficacy of Herbicide Pyrazosulfuron-ethyl 10%WP. Our commitment extends to providing customized formulations, packaging, and comprehensive agronomic guidance.

Customization Capabilities:

  • Tailored Formulations: While 10% WP is standard, we can explore co-formulations with other compatible active ingredients or adjust adjuvant systems to meet specific environmental conditions or target weed spectrums in unique regions for enhanced Paddy Crop Weed Control.
  • Flexible Packaging and Branding: We provide various packaging sizes (e.g., 50g, 100g, 250g, 500g, 1kg) and custom branding options to align with distributor and market requirements.
  • Regional Application Protocols: Our agronomists work with partners to develop precise application guidelines, considering local climate, soil types, rice varieties, and prevalent weed populations, maximizing product performance.

Application Case Studies:

Case Study 1: Enhanced Yield in Southeast Asian Transplanted Rice

Region: Central Luzon, Philippines
Challenge: Severe infestation of common broadleaf weeds (Monochoria vaginalis, Ludwigia octovalvis) and sedges (Cyperus difformis) in transplanted rice, leading to estimated yield losses of 30-40%. Traditional herbicides showed diminishing returns due to emerging resistance.
Solution: Farmers implemented Herbicide Pyrazosulfuron-ethyl 10%WP as an early post-emergence application (5-7 DAT) at a rate of 80 g a.i./ha, with shallow standing water maintained.
Result: A remarkable >96% control of target weeds was observed within 14 days of application. This led to significantly reduced competition, robust rice seedling growth, and a documented yield increase of 18-22% compared to untreated control plots. Customer feedback highlighted its ease of use and consistent performance, solidifying its role in their Paddy Crop Weed Control strategy.

Case Study 2: Resistance Management in Direct-Seeded Rice in the Mekong Delta

Region: Mekong Delta, Vietnam
Challenge: Widespread herbicide resistance, particularly in graminaceous weeds and some sedges, complicating direct-seeded rice production. Growers needed a new chemistry with a different mode of action to break resistance cycles.
Solution: In an integrated weed management program, Herbicide Pyrazosulfuron-ethyl 10%WP was introduced as a rotational herbicide, applied pre-emergence (2-3 DAS) followed by a different mode-of-action herbicide for grasses at later stages. The target rate was 70 g a.i./ha.
Result: This strategy effectively managed weed populations, showing superior control of broadleaf weeds and sedges where older chemistries failed. The rotational approach with Herbicide Pyrazosulfuron-ethyl 10%WP helped delay the onset of new resistance, ensuring sustained efficacy and contributing to a 15% reduction in overall herbicide expenditure due to fewer necessary applications. This demonstrates its value in complex Paddy Crop Weed Control programs.

Pyrazosulfuron-ethyl 10%WP Herbicide for Superior Paddy Weed Control

Figure 3: Rice fields thriving post-application, demonstrating successful weed management.

Ensuring Trust: Certifications, Support, and Logistics

Building long-term B2B relationships is predicated on trust, transparency, and reliable support. Our commitment extends beyond product delivery to encompass a full spectrum of services designed to ensure confidence in our solutions for Paddy Crop Weed Control.

Authoritativeness and Certifications:

  • ISO 9001:2015 Certified: Demonstrates our adherence to internationally recognized standards for quality management, ensuring consistency in manufacturing and service delivery.
  • GLP Compliance: All efficacy and safety data supporting Herbicide Pyrazosulfuron-ethyl 10%WP are generated under Good Laboratory Practice principles, providing credible and verifiable scientific evidence.
  • FAO/WHO Compliant: Our products meet stringent international specifications for pesticide quality and safety, facilitating global market access and acceptance.
  • Years of Service & Global Reach: With over two decades in the agrochemical industry and a presence in 50+ countries, our experience and established network underscore our reliability.
  • Strategic Partnerships: We collaborate with leading agricultural research institutions and distribution partners worldwide, validating our product's performance and market relevance.

Frequently Asked Questions (FAQ)

Q: What is the optimal application timing for Herbicide Pyrazosulfuron-ethyl 10%WP?

A: For transplanted rice, apply 3-7 days after transplanting (DAT). For direct-seeded rice, it can be applied pre-emergence (0-3 days after seeding) or early post-emergence (5-15 days after seeding), depending on weed pressure and water management practices. Always refer to local recommendations and product labels.

Q: Is Pyrazosulfuron-ethyl safe for rice crops?

A: Yes, it exhibits high selectivity for rice, meaning it effectively controls target weeds without harming the rice crop when applied at recommended rates and timings. Its mode of action targets enzymes more sensitive in weeds than in rice.

Q: Can it be tank-mixed with other agrochemicals?

A: While Herbicide Pyrazosulfuron-ethyl 10%WP is highly effective on its own, it may be tank-mixed with certain compatible pesticides to broaden the spectrum of control or manage other pests. We recommend conducting a jar test for physical compatibility before large-scale mixing and consulting with our technical support team for specific recommendations.

Q: What environmental precautions should be taken?

A: Apply according to label directions to prevent runoff into aquatic environments. While Pyrazosulfuron-ethyl has a relatively favorable environmental profile, adherence to best practices, including proper water management and buffer zones, is crucial to protect non-target organisms and ecosystems. It has a low acute toxicity to fish and aquatic invertebrates, but responsible use is key.

Q: What is the shelf-life of the product?

A: When stored in original, unopened container111s under cool, dry conditions, Herbicide Pyrazosulfuron-ethyl 10%WP has a guaranteed shelf-life of 2 years from the date of manufacture.

Lead Time and Fulfillment:

Our efficient supply chain ensures timely delivery. Standard lead times typically range from 15-30 days from order confirmation, depending on order volume and destination. Expedited shipping options are available upon request to accommodate urgent requirements, supported by a dedicated logistics team that manages global freight and customs documentation.

Warranty Commitments:

We guarantee that Herbicide Pyrazosulfuron-ethyl 10%WP conforms to the chemical description on its label and is reasonably fit for the purposes referred to in the directions for use, provided it is used in accordance with our instructions under normal conditions. This warranty is limited to the purchase price of the product.

Customer Support and After-Sales Service:

Our commitment to our partners extends well beyond the sale. We provide comprehensive after-sales support, including a dedicated technical service team, experienced agronomists for field consultation, and multilingual customer service representatives. We offer in-depth training on product application, safety, and resistance management strategies to ensure optimal outcomes and maximum satisfaction for all our clients in the Paddy Crop Weed Control sector.

Conclusion

Effective Paddy Crop Weed Control remains a cornerstone of successful rice cultivation, directly impacting global food security and farmer livelihoods. Herbicide Pyrazosulfuron-ethyl 10%WP stands as a testament to advanced agrochemical innovation, offering a powerful, selective, and sustainable solution to complex weed challenges. Its proven efficacy, coupled with our rigorous manufacturing standards and unwavering commitment to customer support, positions it as an invaluable asset for agricultural professionals seeking to maximize yields and promote responsible farming practices. We invite you to partner with us to unlock the full potential of your paddy fields.

References

  1. Food and Agriculture Organization of the United Nations (FAO). "The State of Food Security and Nutrition in the World." www.fao.org/state-of-food-security-nutrition/en/
  2. International Rice Research Institute (IRRI). "Weed Management in Rice." www.irri.org/resources/publications/weed-management-rice
  3. Green, J. M., & Owen, M. D. K. (2011). Herbicide resistance in crops and weeds: History, current status, and future challenges. Pest Management Science, 67(10), 1176-1191. doi.org/10.1002/ps.2222
  4. National Center for Biotechnology Information (NCBI). PubChem Compound Summary: Pyrazosulfuron-ethyl. pubchem.ncbi.nlm.nih.gov/compound/Pyrazosulfuron-ethyl
  5. Wang, Y., Li, Y., Zhao, S., & Li, B. (2018). Residual behavior and dissipation of pyrazosulfuron-ethyl in rice field environment. Environmental Science and Pollution Research, 25(34), 34659-34668. doi.org/10.1007/s11356-018-3294-y

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