Glyphosate currently is the predominant herbicide used for weed control worldwide, largely due to widespread adoption of glyphosate-resistant crops . Rapid adoption of GR crops is partly due to simplified weed management with GR technology ,excellent weed control, and reduced herbicide cost.
In the USA,GR soybeans acreage went from 17 % in 1997 shortly after GR soybeans acrage of GR cotton and corn in 2014 were 91 and 91 and 89% , respectiveiy