What Makes Tribenuron Methyl a Powerful Herbicide for Cereal Crops?

Introduction

Tribenuron methyl is a selective post-emergence herbicide widely used in cereal crops such as wheat and barley. It offers rapid control of broadleaf weeds, providing farmers with an efficient solution to maintain weed-free fields and maximize yield potential.

Product Information

• Name: Tribenuron methyl

• Chemical Name: Methyl 2-[4-methoxy-6-methyl-1,3,5-triazin-2-yl(methyl)carbamoylsulfamoyl]benzoate

• CAS Number: 101200-48-0

• Appearance: Off-white crystalline solid

• Formulations: WDG (Water Dispersible Granule), WP (Wettable Powder)

• Solubility: Slightly soluble in water

Key Features

• Selective control of broadleaf weeds in cereal crops

• ⚡ Fast-acting, visible weed symptoms appear within days

• Low application rate, reducing input costs

• Compatible with tank mixes for broader weed control

• Safe for wheat and barley when used properly

Applications

Tribenuron methyl inhibits acetolactate synthase (ALS), an enzyme essential for amino acid synthesis in susceptible weeds. This leads to halted growth, chlorosis, and eventual death of weeds.

Advantages

• Highly effective at low dosages (5–30 g/ha)

• Broad spectrum control of key broadleaf weeds

• Minimal impact on cereal crops when applied correctly

• Low toxicity to mammals and beneficial insects

Limitations

• Limited control of grass weeds

• Potential for weed resistance if overused

• Requires proper timing and adequate soil moisture for best results

FAQs

Q: Can tribenuron methyl be mixed with grass herbicides?
A: Yes, it is commonly tank-mixed with grass herbicides for broad-spectrum control.

Q: Is there a risk of crop injury?
A: Crop injury may occur if applied outside recommended growth stages or at excessive rates.

Q: How soon can rotational crops be planted after application?
A: Typically 3–6 months, but always follow specific label restrictions.

Conclusion

Tribenuron methyl is a proven and cost-effective herbicide for managing broadleaf weeds in cereal crops. With its low application rate and strong selectivity, it supports cleaner fields and higher yields when integrated into proper weed control programs.