couch grass

(redirected from Agropyron repens)
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Related to Agropyron repens: couch grass, Twitch grass

couch grass,

name for several grasses, among them quack grassquack grass
or couch grass,
Old World perennial grass (Agropyron repens), now widely distributed and in the United States a troublesome weed. It somewhat resembles a beardless wheat and has creeping, yellowish rootstalks, the joints of which, even though
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couch grass

a grass, Agropyron repens, with a yellowish-white creeping underground stem by which it spreads quickly: a troublesome weed
References in periodicals archive ?
Biomass from fertilized plots dominated by Agropyron repens and Poa pratensis had significantly higher mean tissue-N content than the mixture of Schizachyrium scoparium, P.
The experimental site was located within a midsuccessional old field (20-30 yr postagricultural abandonment) that was dominated by introduced perennial grasses: Bromus inermis, Agropyron repens, and Phleum pratense.
Cytogenetics of Elymus angustus and its hybrids with Elymus giganteus, Elymus cinereus, and Agropyron repens.
Examination of changes in cover through time suggest that three key species might explain the trends in responses of monocots and dicots: Agropyron repens, Taraxacum officinale, and Plantago major.
Derivation of a new forage grass from Agropyron repens x Agropyron spicatum hybrids.
On average across all treatments, the most abundant species were Agropyron repens, Poa pratensis, Schizachyrium scoparium, and Andropogon gerardi.
Forage yield, phenological development, and forage quality of an Agropyron repens x A.