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Selective Corn Field Herbicide Nicosulfuron 40g/L for Maize Crop Protection Agricultural Field Management and Farm Use
Product Details:
| Place of Origin: | Shenzhen,Guangdong,China |
| Brand Name: | AVERSTAR |
| Certification: | COA,MSDS |
| Model Number: | Nicosulfuron 40g/L |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1000L |
|---|---|
| Price: | $1-$10 |
| Packaging Details: | 250ml,500ml.1l,20l,200l |
| Delivery Time: | 3-5weeks |
| Payment Terms: | T/T,D/P,D/A,L/C |
| Supply Ability: | 10000L |
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Detail Information |
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| Brand: | AVERSTAR | Product Name: | Nicosulfuron |
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| CAS_No: | 111991-09-4 | Molecular Formula: | C15H18N6O6S |
| Molecular Weight: | 410.4 | EINECS_No: | 244-666-2 |
| Mol: | 111991-09-4.mol | ||
| Highlight: | Nicosulfuron maize crop herbicide,Selective corn field herbicide,Maize crop protection herbicide |
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Product Description
Selective Corn Field Herbicide Nicosulfuron 40g/L for Maize Crop Protection
Nicosulfuron 40g/L is a selective post-emergence sulfonylurea herbicide widely used in maize production. It is valued for its systemic activity, relatively low application rate and ability to suppress susceptible unwanted plants after crop emergence.
However, field performance is not determined by concentration alone. Research shows that Nicosulfuron efficacy can vary substantially depending on target species, plant growth stage, formulation, adjuvant selection, environmental conditions, spray coverage and resistance status.
Understanding Nicosulfuron Performance Factors
For growers, distributors and agricultural buyers, understanding these factors is essential for evaluating whether a Nicosulfuron product is likely to perform consistently under real farming conditions.
- Mode of action and systemic movement
- Three-year field efficacy data
- Original versus generic formulations
- Adjuvant effects and application timing
- Environmental influences and crop safety
- Herbicide resistance management
- Spray technology and product quality evaluation
The critical question:
Why does Nicosulfuron sometimes provide very strong field performance while producing weaker results under other conditions? Understanding this difference is essential for professional maize crop management.
What Is Nicosulfuron?
Nicosulfuron is a systemic sulfonylurea herbicide primarily used for post-emergence applications in maize. According to the Herbicide Resistance Action Committee, Nicosulfuron belongs to HRAC/WSSA Group 2, the acetolactate synthase inhibitor group.
ALS (acetolactate synthase) plays a critical role in the synthesis of several branched-chain amino acids:
- Valine
- Leucine
- Isoleucine
When Nicosulfuron enters a susceptible plant and inhibits ALS activity, normal growth processes begin to break down. This is why Nicosulfuron should not be judged only by how quickly leaves appear damaged.
Mode of Action Classification
The HRAC/WSSA classification system groups herbicides according to their primary biochemical mode of action. Nicosulfuron is classified in Group 2: Inhibition of Acetolactate Synthase (ALS).
Important for resistance management:
Two products can have completely different brand names but still belong to the same mode-of-action group. Therefore, simply changing from one commercial brand to another does not necessarily constitute a true resistance-management rotation.
How Nicosulfuron Works Inside Plants
According to Cornell University herbicide-reference information, Nicosulfuron is rapidly absorbed following foliar application and can move through both the xylem and phloem.
Growth inhibition may begin within only a few hours after treatment, but visible injury symptoms can take more than one to two weeks to fully appear.
Three-Year Field Research Results
A comprehensive study published in 2024 in the Journal of Crop Health conducted a three-year field experiment from 2020 to 2022 at the Maize Research Institute experimental station in Serbia.
| Treatment | Biomass Reduction Range | Key Findings |
|---|---|---|
| Nicosulfuron Alone | 58.2% - 82.9% | Substantial activity but not complete field suppression |
| With Non-Ionic Surfactant | 78.8% - 93.8% | 15-20% improvement in efficacy |
| With Ammonium Sulfate | 38.9% - 65.7% | 21% average efficacy reduction |
Formulation Quality Considerations
The research detected no significant difference in efficacy between the tested original and generic Nicosulfuron formulations. However, this does not justify universal claims that every generic formulation is identical.
Different generic products can vary in:
- Technical active ingredient purity and impurity profile
- Solvent system and surfactant package
- Emulsification, dispersion and storage stability
- Container compatibility and batch consistency
Adjuvant Impact on Performance
The three-year experiment found that adjuvant selection materially affected treatment performance. A suitable non-ionic surfactant improved Nicosulfuron efficacy by approximately 15-20% under trial conditions.
Critical finding:
Adding an extra tank component does not automatically improve herbicide performance. Ammonium sulfate was associated with reduced Nicosulfuron activity in the same trial.
Application Timing Importance
Application timing is one of the most important factors influencing Nicosulfuron performance. Post-emergence systemic herbicides generally perform better when susceptible target plants are:
Young + actively growing + within the recommended treatment stage
Environmental Influences
Environmental conditions affect both the target plants and the maize crop. Important factors include:
- Temperature: Moderate conditions favor herbicide uptake and translocation
- Drought: Can reduce plant metabolic activity and absorption
- Rainfall: May reduce foliar uptake if applied shortly after spraying
- Crop Stress: Stressed maize may respond differently to treatment
Herbicide Resistance Management
Nicosulfuron is an ALS inhibitor, and repeated reliance on the same mode of action creates selection pressure for resistance development.
Important distinction:
Changing brands does not prevent resistance if both products contain the same mode of action. Resistance management should be based on HRAC/WSSA mode-of-action groups, not packaging design.
Spray Application Technology
Product quality cannot compensate for poor application. Professional calibration should evaluate:
- Nozzle flow, wear and pattern uniformity
- Pressure and travel speed consistency
- Boom height and spray volume accuracy
- Tank agitation and water quality factors
Field Performance Diagnosis
Systematic Diagnostic Approach
- Confirm product batch, expiry and storage history
- Identify target species and growth stage
- Verify application rate and sprayer calibration
- Review weather conditions during application
- Check tank mix compatibility
- Consider resistance history and patterns
Frequently Asked Questions
How quickly does Nicosulfuron start working?
Physiological growth inhibition can begin within hours after absorption, although visible chlorosis and necrosis may require more than one to two weeks to become clear.
How effective is Nicosulfuron in field trials?
A three-year 2020-2022 study reported approximately 58-83% biomass reduction with Nicosulfuron alone, while treatments with a suitable non-ionic surfactant reached approximately 77-95% under the conditions tested.
How should buyers compare Nicosulfuron 40g/L products?
Evaluate formulation quality, active ingredient specification, stability, documentation, registration support and field evidence rather than comparing price alone.
Conclusion
Nicosulfuron 40g/L remains an important post-emergence option for selective maize field management. However, modern field research makes one conclusion very clear:
The concentration printed on the label does not determine field efficacy by itself. Successful performance depends on the interaction of active ingredient, formulation, target species, growth stage, adjuvant, application technology, weather and resistance status.
When used correctly as part of an integrated management program, Nicosulfuron provides reliable and sustainable maize crop protection for professional agricultural production.
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