The invention relates to a herbicidal composition comprising
Aminopyralid or agriculturally acceptable salts and esters thereof in the range of 0.1% w / w to 65% w / w of the total composition;
Metribuzin or agriculturally acceptable salts thereof in the range 0.1% w / w to 80% w / w of the total composition; and at least one agrochemically acceptable
excipient; wherein the composition comprises particles in the size range of 0.1 micron to 50 microns. The invention further relates to a process of preparation of the herbicidal composition and to a method of treating weeds or the unwanted
vegetation or the
plant propagation material, locus or
plant parts thereof, a seed,
seedling or surrounding soil with the herbicidal composition.