Increasing concentrations of kn03 from 1 to 210 ppm. Quackgrass elytrigia repenshas several scientific synonyms including elymus repens, and agropyron repens. Gould couch grass from singlenode fragments on plots sown with six perennial grasses in a surrounding hexagonal. Plants profile for elymus repens quackgrass usda plants.
Crop science abstract derivation of a new forage grass. Experiments were done with rhizome fragments of agropyron repens with or without late spring dormancy. Its stems are erect, decumbent, and may reach heights of 1 to 3 feet 0. Quack grass elytrigia repens aristata grass family poaceae description. Couch grass is of considerable value as a herbal medicine, the roots. Influence of nitrogen nutrition on bud and rhizome.
Bud growth on isolated rhizomes of agropyron repens showed a basipetal gradient of decreasing activity and was strongly inhibited at the basal nodes. Rhizomes of couch grass possess several medicinal properties and are especially used to treat problems of the urinary tract, kidney, gallbladder and prostate glands. This evident polarity was correlated with a gradient of. This perennial grass is about 23 tall and unbranched, although it may tiller at the base and send up multiple culms. Other names include common couch, twitch, quick grass, quitch grass also just quitch, dog grass, quackgrass, scutch. Couch grass rhizome is known under the following common. Graminis rhizoma couch grass rhizome agropyron repens l. Agropyron smithii agropyron smithii, bluestem wheatgrass, western wheatgrass. Quackgrass elymus repens, triticum repens, agropywn repens, and elytrigia repens is a widespread perennial grass widely studied for its effects on other plants. Quackgrass elytrigia repens, agropyron formerly known as repens, and also known as couchgrass originated in europe and was introduced to north america by settlers in the 17th century. Stands of agropyron repens couch grass and single young sugarbeet plants were grown in pots, separately and in competition, with nitrogen and pota. This book gives top quality content that you will refer to often in class, for. A periclinal division in the dermatogen at the growing. Agropyri repentis rhizoma european medicines agency.
Opinion of the hmpc on a community herbal monograph on agropyron repens l. Proper usage and audio pronunciation of the word agropyron repens. Amitrole translocation in agropyron repens increased by the addition of. Methods for control of couch grass elymus repens l.
Gramineae grass family medicinal use of couch grass. All structured data from the file and property namespaces is available under the. Species in the genus are commonly referred to as wheatgrass. The plant profiler provides detailed information and bioactive compounds for numerous different plant species. A large image of agropyron repens from the usda plants database. Alaska exotic plants information clearinghouse akepic. It is a perennial grass and the common names are witch. This page was last edited on 9 january 2015, at 14.
Cost of seed versus rhizome production in agropyron repens. Rhizomes of couch grass possess several medicinal properties and are especially used to treat problems of the urinary tract, kidney, gallbladder. Quackgrass national invasive species information center usda. The primary purposes of these studies were to investigate. Notes on taxonomy and nomenclature top of page the name most commonly used in agricultural literature up to recent years has been agropyron repens. Smith formerly associate geneticist, division of forage crops and diseases, bureau of.
Click below on a thumbnail map or name for subspecies profiles. Quackgrass is a coolseason, exotic, perennial, rhizomatous graminoid. The high quality, evidencebased information on each plant profiler page is gathered by. Agropyron elymus repens the naturopathic herbalist. Pdf chemical constituents and pharmacological importance of. Couch grass scientifically known as elymus repens is a diuretic herb that is native to europe, asia as well as northwest africa. The tradeoff between seed and rhizome production and. Agropyron repens, couch grass, quackgrass, witchgrass. Herbal materia medica fifth edition by michael moore outlines of over 500 major botanical medicines, with the preferred forms and methods of their preparations, strengths, solutions, the most. The plants database includes the following 1 subspecies of elymus repens. Linnaeus called the species triticum repens because its inflorescence arrangement is similar to that of wheat and related plants. Agropyron repens reed, giant arundo donax ryegrass, perennial lolium perenne timothy phleum pratense torpedograss panicum repens vaseygrass paspalum urvillei velvetgrass holcus spp. Fitoremediacja alternatywa dla tradycyjnych metod oczyszczania. Quackgrass elytrigia repens control methods in organic.
Meiotic configuration and chromosome number in some. The chemical constituents and pharmacological importance of. Traditionally used medicinal plants against uncomplicated. Quack grass elytrigia repens aristata illinois wildflowers. Files are available under licenses specified on their description page. Pdf the copper smelter legnica is one of the oldest plants in lower silesia. Chemical constituents and pharmacological importance of. Pdf regeneration from rhizome fragments of agropyron repens. Elymus repens, commonly known as couch grass, is a very common perennial species of grass native to most of europe, asia, the arctic biome, and northwest africa. A preliminary investigation of the effect of the nitrogen supply on the growth of agropyron repens l. Pdf fitoremediacja alternatywa dla tradycyjnych metod.
Quackgrass agropyron repens description perennial weedy grass 12 feet tall with hollow stems, wheatlike spikes and bluishgreen leaf blades which are rough on the upper surface. Combining mechanical control of couch grass elymus repens l. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Intergeneric hybridization of cereals and other grasses by d. Interference between sown grasses and the growth of rhizome of. Agropyron repens quackgrass is recognized as a dangerous. Competition for nitrogen and potassium in agropyron repens.
Agropyron repens is native from temperate europe to central asia and is now found in africa. Rhizomatous perennial grass with decumbent to erect stems to 1 m tall but often much shorter. Elymus repens is a perennial grass weed that causes great yield losses in a variety of crops in the southern and northern temperate zones. Parental factors in dominance of lateral buds on rhizomes of agropyron repens l. It has been brought into other mild northern climates for forage or erosion control, but is often considered a weed. I examined growth and allocation patterns in genotypes of agropyron repens isolated from six habitats that differed in disturbance frequency. The website also provides access to a database and images of herbarium. Agropyron is a genus of eurasian plants in the grass family, native to europe and asia but widely naturalized in north america. Elytrigia repens is an aggressive, coolseason, perennial grass that is native to eurasia. Agropyron repens, elymus repens, triticum repens family. The identification of the seeds 2 of the species of agropyron is an important problem to the farmer, the seedsman, and the seed laboratory.
From 1984 through 1995, seed from this collection became the foundation of a prevarietal breeding program conducted by the ars forage and. Quackgrass elymus repens, triticum repens, agropywn repens, and elytrigia repens is a widespread perennial grass. Introgression via genetic exchange between the s genomes of a. It is used traditionally as soothing diuretic and for calming pain and spasm in the urinary tract.
Spring wheat, sown at three different times, and agropyron repens, defoliated at the same three times, were grown separately or together in pots kept in an open. Benefits of couch grass agropyron repens for health. Conditions where a reduced fluid intake is recommended e. A periclinal division in the dermatogen at the growing point of couch grass, agropyron repens, beauv b. Species biography quackgrass feb 7, 2011 pdf 141 kb. Elytrigia repens formerly known as agropyron repens. Pdf chemical constituents and pharmacological importance. This book gives top quality content that you will refer to often in. Sharman 1 nature volume 152, pages 276 277 1943 cite this article.
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