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Related to annual ryegrass: perennial ryegrass


or rye grass  (rī′grăs′)
Any of several grasses of the genus Lolium, native to Eurasia and often used for forage or for stabilizing soil.

[Alteration of raygrass : ray, darnel (from Middle English rai, perhaps alteration of Old French ivraie, from Latin ēbriāca, from feminine of ēbriācus, drunk (from the plant's effects if ingested), from ēbrius; see inebriate) + grass.]


(ˈraɪˌgræs, -ˌgrɑs)

any of several European grasses of the genus Lolium, as L. perenne, grown for forage in the U.S.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ryegrass - any of several annual or perennial Eurasian grassesryegrass - any of several annual or perennial Eurasian grasses
grass - narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay
genus Lolium, Lolium - darnel; ryegrass
English ryegrass, Lolium perenne, perennial ryegrass - European perennial grass widely cultivated for pasture and hay and as a lawn grass
Italian rye, Italian ryegrass, Lolium multiflorum - European grass much used for hay and in United States also for turf and green manure
bearded darnel, cheat, darnel, Lolium temulentum, tare - weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous
References in periodicals archive ?
3) Herbicide-treated pasture (HT): pure annual ryegrass established with minimum-tillage methods, following eradication of the summer self-sown crop or weeds by herbicide treatment (n = 29).
It is a mix of lespedeza, clovers, vetch, plantain, dandelion, chicory (makes milk production go way up), annual ryegrass, Timothy, Kentucky bluegrass and some fescue, which I don't like, but I inherited it and it just won't go away.
Just to give you a flavour of the range of green manures available, here are a selection: alfalfa, annual ryegrass, Buckwheat, clover (various forms), field beans, fenugreek, Hungarian grazing rye, lupin, mustard, tares and trefoil.
common centipedegrass (Erimochloa ophiuroides (Munro) Hack), 'Pensacola' bahiagrass (Paspalum notatum Flugge), 'Sea Dwarf' seashore paspalum (Paspalum vaginatum Swartz), and 'Gulf' annual ryegrass (Lolium multiflorum Lam.
It's composed of King annual ryegrass, Dwarf Essex rape and several clovers, including crimson, alsike and berseem.
However, remember that cool-season classes, such as annual ryegrass and Kentucky bluegrass, are actively growing and still require mowing and periodic light feeding.
13 that growers have on hand a 14-month inventory of annual ryegrass seed, an 18-month supply of perennial ryegrass seed and enough tall fescue seed to meet demand for 20 months.
Glyphosate resistance had already been confirmed in populations of awnless barnyard grass in NSW in 2007 and annual ryegrass in Victoria in 1996.
Cold-tolerant grasses, especially annual ryegrass and Alpine bluegrass, appeared to germinate and grow in petroleum-contaminated soils.
2000a) found that wheat-seedling allelopathy on the inhibition of root growth of annual ryegrass (receiver) was dependent upon seedling density of donor wheat plants.

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