Check low spots for patches. Scout fields early because this weed is most sensitive to herbicides in its early stages. Effects on Crop Quality Wild buckwheat can cause crop lodging and makes swathing and combining difficult. Note that yield losses caused by this weed can be highly variable, depending on whether the weed emerges before, with, or after the crop. Control Tips Most crops have herbicide options for control of wild buckwheat.
Early application is critical with most herbicides.