How an Agricultural Herbicide OD Formulation Supports Vietnam's Sugarcane Weed Management
April 26, 2026
Sugarcane farmers in Vietnam's central and southern provinces deal with a weed spectrum that shifts through the monsoon cycle. Grass species like barnyardgrass and broadleaf weeds such as Ageratum conyzoides compete aggressively during the early ratoon stage, when the crop canopy has not yet closed. Manual weeding once dominated the approach, but labor migration to urban manufacturing has made that unreliable.
An agricultural herbicide combining Trifloxysulfuron 10 g/L and Haloxyfop-P-Methyl 100 g/L in an OD (Oil Dispersion) formulation targets both weed groups in one pass. Registered under PD20130366 and PD20210910, the product is labeled for post-emergence use in sugarcane, cotton, and soybean.
Grass and Broadleaf Pressure in Monsoon Conditions
Vietnam's sugarcane regions receive 1,500–2,500 mm of annual rainfall concentrated in a six-month wet season. Soil moisture stays high, and weed seeds germinate in successive flushes after each rain event. Haloxyfop-P-Methyl, absorbed through foliage and translocated throughout grass weeds, suppresses meristematic tissue growth from seedling through early tillering. It retains efficacy under the fluctuating soil moisture that defines tropical monsoon agriculture.
Trifloxysulfuron handles the broadleaf component. Absorbed through roots, stems, and leaves with both acropetal and basipetal translocation, it inhibits ALS enzyme and disrupts branched-chain amino acid biosynthesis in susceptible weeds. Sugarcane metabolizes the active ingredient rapidly into non-active compounds, which is why the crop tolerates treatment while weeds do not.
Why OD Matters for Tropical Spraying
Oil Dispersion formulations resist separation in hot, humid storage conditions — a practical concern in rural Vietnam where warehouse temperature control is uncommon. The stable suspension ensures even active ingredient distribution during application, reducing the risk of hot spots or missed zones in the spray pattern.
Supply and Compliance
The product carries COA and MSDS certification. Packaging ranges from 250 mL bottles for smallholder trials to 200 L drums for plantation-scale operations, with custom labeling available. Monthly supply capacity is 100,000 kg, with delivery within 15–20 working days. Payment terms include T/T and L/C.
About Averstar
Averstar provides crop protection solutions for agricultural markets worldwide, with a herbicide portfolio targeting weed challenges in sugarcane, cotton, and soybean production

