Williams v.g.

Reliable control of difficult weeds

When dealing with stubborn weeds like Canada thistle or sow thistle, standard herbicides often fall short by ignoring the root system. In my field practice, "Williams w.g." has proven to be an effective systemic solution that eliminates these perennial weeds in a single pass. The active ingredient, clopyralid, works thoroughly: once absorbed through the leaves, it translocates to the roots, completely stopping plant development. This is not just a temporary suppression; it is a total elimination of the target weeds.

Application and technical efficiency

The water-dispersible granules formulation is highly convenient; it dissolves quickly in the spray tank without clogging nozzles or filters. I adjust the application rate between 0.06 and 0.12 kg/ha depending on the weed density. It performs reliably on winter cereals and oilseed rape, effectively targeting weeds like black nightshade, scentless mayweed, and cornflower while keeping the crop safe due to its selective action.

Operator's guide

• Apply post-emergence: the herbicide is designed to act after the crop has sprouted.
• A single application per season is usually sufficient to clear the field.
• Observe the pre-harvest interval of 45 days.
• Class 3 toxicity rating ensures safety with standard protective equipment.

Using "Williams w.g." is efficient because of the high concentration of the active ingredient, which reduces the time spent on logistics and tank refilling. For any operator, this is a highly cost-effective tool that delivers clean fields and protects the potential yield from competition with invasive species.