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Nicosulfuron is a selective systemic foliar-applied herbicide belonging to the sulfonylurea herbicide category. It is mainly used in corn fields to control annual gramineous weeds and some broad-leaved weeds.
CAS Number:111991-09-4
Ingredient Content:nicosulfuron 40% WG /4% SL /2% SC
Product Appearance:White to grayish-white wettable granules
Visit Volume:99
Service Hotline
+86-13153039501
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Nicosulfuron is a selective post-emergence herbicide from the sulfonylurea (ALS inhibitor) class, widely used to control annual and perennial grass weeds and some broadleaf weeds in maize (corn).It is highly effective in maize production, providing excellent weed control without harming the crop, making it a key tool in modern weed management programs.
Nicosulfuron works as an ALS (acetolactate synthase) inhibitor:
Inhibits the ALS enzyme, critical for the synthesis of branched-chain amino acids (valine, leucine, isoleucine)
Blocks protein synthesis, stopping cell division and growth in susceptible weeds
Leads to gradual weed death, typically visible within 7–14 days
Most effective on young, actively growing weeds
👉 As a selective herbicide, it targets weeds without affecting maize.
✔ Selective control – Safe for maize while controlling grass weeds and some broadleaf weeds
✔ Post-emergence flexibility – Effective application at 2–6 leaf stage of weeds
✔ High efficacy – Rapid inhibition of weed growth
✔ Tank-mix compatibility – Can be combined with other herbicides for broader spectrum
✔ Low application rates – Economical and environmentally friendly
⚠ Apply to actively growing weeds at 2–6 leaf stage
⚠ Avoid spray drift to sensitive crops
⚠ Do not apply under stress conditions (drought, waterlogging, extreme heat)
⚠ Follow registered dosage and local regulations strictly
⚠ Use personal protective equipment (PPE) during application
Q1: What weeds does Nicosulfuron control?
A: Mainly annual and perennial grasses such as foxtail, barnyardgrass, and some broadleaf weeds in maize fields.
Q2: Is Nicosulfuron systemic or contact?
A: Nicosulfuron is systemic, absorbed by leaves and moving within weeds to inhibit growth.
Q3: Can it be applied on maize safely?
A: Yes, it is selective and safe for most commercial maize hybrids when used at recommended rates.
Q4: How quickly does it work?
A: Weed growth inhibition is usually visible within 7–14 days, depending on species and environmental conditions.
Q5: Can it be tank-mixed with other herbicides?
A: Yes, Nicosulfuron is compatible with certain herbicides for broader weed control; always follow local guidelines.
Q6: Do you provide OEM or custom packaging?
A: Yes, we support OEM, labeling, and packaging customization according to customer requirements.