They minimize the effect of the herbicide on crop plants, thereby improving selectivity between crop plants vs. weed species being targeted by the herbicide.
[1][2] One way that they function is by enhancing the expression of protective enzymes in the crop plant.
[4] Herbicide safeners can be used to pretreat crop seeds prior to planting, or they can be sprayed on plants as a mixture with the herbicide.
They are associated with particular crops, such as benoxacor for maize and flurazole for sorghum.
The inventory:[7] These safeners have been classified according to structural motifs.