Noun
any of several annual or perennial Eurasian grasses
Source: WordNetIn 2013 only two herbicide classes, called Photosystem II and long-chain fatty acid inhibitors, were effective against ryegrass. Source: Internet
Once again, ryegrass in Australia evolved a kind of "cross-resistance" that allowed it to rapidly break down a variety of herbicides. Source: Internet
The Ryegrass, Bench Corral, Deer Hills, Calpet and Miller Mountain closures include all BLM-administered lands north of Fontenelle Creek, east of the U.S. Forest Service Boundary, west of State Highway 189, and south of Horse Creek. Source: Internet
Within little more than a decade, ryegrass and other weeds began to develop resistance. Source: Internet