Papaver rhoeas biotypes displaying multiple herbicide resistance to ALS inhibitors and synthetic auxin herbicides (SAH) are spreading across Europe. In Spain, enhanced metabolism imazamox was confirmed in one population, while cytochrome-P450 (P450) based 2,4-D another two. The objectives of this research were further confirm the presence P450 mediated and, if so, whether a putative common is r...
