Elymus repens biomass allocation and acquisition as affected by. The spikelets, which are two and manyflowered, are laterally compressed. For more multimedia, look at agropyron on wikimedia commons. Pdf elymus repens is a perennial grass weed that causes great yield losses in a. Pdf chemical constituents and pharmacological importance. A rough looking cool weather perennial, quackgrass is a native of europe, asia and northwest africa that was introduced into the united states for forage or as a contaminant in grain or hay and is widespread throughout most of the country except the deep south.
Agropyron elymus repens the naturopathic herbalist. It has been traditionally used for urinary tract infections and conditions relating to the kidneys, such as kidney stones. Species in the genus are commonly referred to as wheatgrass. An elymus trachycaulus in nahilalakip ha genus nga elymus, ngan familia nga poaceae. Linnaeus called the species triticum repens because its inflorescence arrangement is similar to that of wheat and related plants. Its stems are erect, decumbent, and may reach heights of 1 to 3 feet 0. Community herbal monograph on agropyron repens european. The plant profiler provides detailed information and bioactive compounds for numerous different plant species.
The plants database includes the following 1 subspecies of elymus repens. The essential oil has been used for its antimicrobial effects, while the extracts of couch. It should be noted that this document is a working document, not yet fully edited, and which shall be further developed after. Updated use levels and food categories collected as part of the fdas slr project are available from the fema office for this flavor ingredient upon request. Agropyron repens article about agropyron repens by the. Agropyron intermedium asiatic grass introduced into united states rangelands for pasture and fodder elymus hispidus, intermediate wheatgrass. Isolation and structure elucidation of phydroxycinnamic acid esters from the rhizom of agropyron repens, part ii. The succession of fungi on decaying stems of agropyron repens has been followed during a 19month period after flowering. Before requesting germplasm, scientists should consider their capacity to receive it. Stands can be expected to survive for 3 to 5 years. From 1984 through 1995, seed from this collection became the foundation of a prevarietal breeding program conducted by the ars forage and range research laboratory scientists at logan, utah. It is found in nearly all agricultural communities. Agropyron article about agropyron by the free dictionary. Gould couch grass is a perennial grass that causes crop yield losses in the northern and southern.
Pdf resource efficient control of elymus repens researchgate. Agropyron repens, elymus repens english couch plants. Proper usage and audio pronunciation of the word agropyron repens. It is a perennial grass and the common names are witch grass, wheat grass, couchgrass, durfa grass, quack grass, dog grass, quick grass, scutch grass as. Benefits of couch grass agropyron repens for health tips.
Seed yields range from 200 to 400 lbacre in dryland to 500 to 600 lbacre under irrigation. The board of trustees of the royal botanic gardens, kew. Ang elymus repens sakop sa kahenera nga elymus sa kabanay nga poaceae. Each dot represents at least one record in a 10 km square of the national grid. However, tillage is generally difficult to combine with growing crops without destroying them. Control of elymus repens by rhizome fragmentation and repeated.
Agropyron repens quackgrass is recognized as a dangerous weed, and the similarity between the seed of this species and other common but more desirable species of agropyron gives rise to confusion. Elymus repens is a perennial grass weed that causes great yield. Pdf chemical constituents and pharmacological importance of. Herbal medicine a perennial grass, the rhizomes of which contain inositol, mannitol, mucilage, saponin, vitamins a and b, and volatile oil. Elytrigia repens is an aggressive, coolseason, perennial grass that is native to eurasia. Sao encontradas na europa, africa, asia, australasia e america do norte. Quackgrass elytrigia repens, formerly known as agropyron repens, and also known as.
Quackgrass is green to whitish, with hirsute to nonhirsute leaves and awned or nonawned lemmas 18,26. Common couch, quick grass, twitch, dog grass, quackgrass, witchgrass family. Conditions where a reduced fluid intake is recommended e. It has been brought into other mild northern climates for forage or erosion control, but is often considered a weed. Quackgrass elytrigia repens control methods in organic. Elymus repens in world checklist of selected plant families. Agropyron repens article about agropyron repens by the free.
The results can also be downloaded as a csv file unicode utf8 encoding see. En vous abonnant, vous recevrez le pdf gratuit les 6 plantes pour les petits. Parental factors in dominance of lateral buds on rhizomes of agropyron repens l. Quackgrass, also called couchgrass, is a perennial in the grass family poaceae. Amitrole translocation in agropyron repens increased by the addition of ammonium thiocyanate. The high quality, evidencebased information on each plant profiler page is gathered by natural standard, the authority on integrative medicine. Rhizome fragmentation by vertical disks reduces elymus repens. Agropyron intermedium definition of agropyron intermedium. The patterns of fungal distribution follow broadly that already outlined for dactylis glomerata. It somewhat resembles a beardless wheat and has creeping, yellowish rootstalks, the joints of which, even though. Couch grass scientifically known as elymus repens is a diuretic herb that is native to europe, asia as well as northwest africa.
Quackgrass elymus repens, triticum repens, agropywn repens, and elytrigia. Mature plants have erect stems that reach a height of 1 to 3 feet. Wheatgrass, western agropyron smithii partial control alfalfa medicago sativa alligatorweed alternanthera philoxeroides anise fennel foeniculum vulgare. Methods for control of couch grass elymus repens l.
Click below on a thumbnail map or name for subspecies profiles. They have a gentle remedial effect which is welltolerated by. Benefits of couch grass agropyron repens for health rhizomes of couch grass possess several medicinal properties and are especially used to treat problems of the urinary tract, kidney, gallbladder and prostate glands. Seed should be dried to 12 percent or less moisture prior to storage. Discussion in working party on community monographs. Quackgrass is a coolseason, exotic, perennial, rhizomatous graminoid. Other names include common couch, twitch, quick grass, quitch grass also just quitch, dog grass, quackgrass, scutch. The main weed control strategies used in organic farming often combine cultural. This assessment report is published to support the release for public consultation of the draft community herbal monograph on agropyron repens l. Hackel, to whom druce sent much material for naming.
Agropyron repens, elymus repens, triticum repens family. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Many species of the genus agropyron are valuable forage plants. Trifolium repens cool season perennial sppyreads by below and above ground stems flowers are white, sometimes tinged pink seeds live for 20 years or more in soil objectionable in lawns. Elymus repens, a monocot, is a perennial grass that is not native to california. The plants database includes the following 4 species of agropyron. Agropyron cristatum crested wheatgrass agropyron desertorum. The allelochemicals were identified by gcmass spectrometry and comparison of retention times and mass spectra to data of respective reference compounds. Phytotoxins from shoot extracts and root exudates of. Elymus repens agropyron repens rhizomes have been used in the traditional austrian medicine against fever, internally as a tea, syrup, or cold maceration in water, or externally applied as a crude drug. The plants are perennial grasses that often have a spreading rootstock. National plant germplasm system covid19 update, march 23, 2020. Summary control of perennial weeds, such as elymus repens.
Effect of herniaria hirsuta and agropyron repens on calcium oxalate urolithiasis risk in rats. Combine harvesting a cereal with seed heads of common couch present will. Combining repeated mowing with rhizome fragmentation did not significantly increase the control effect. Gould is an accepted name this name is the accepted name of a species in the genus elymus family poaceae.
The record derives from wcsp which reports it as an accepted name record 411505 with original publication details. Agropyron is a genus of eurasian plants in the grass family, native to europe and asia but widely naturalized in north america. Agropyron badamense tajikistan, kyrgyzstan, uzbekistan, kazakhstan. It is a perennial grass and the common names are witch grass, wheat grass, couchgrass, durfa grass, quack grass, dog grass, quick grass, scutch grass as well as twitch grass. Pharmaceutical comment limited chemical data are available for couchgrass and little scientific evidence was located to justify the traditional herbal uses. This page was last edited on 9 october 2019, at 16. Couch grass is of considerable value as a herbal medicine, the roots being very useful in the treatment of a wide range of kidney, liver and urinary disorders.
Isolation and structure elucidation of phydroxycinnamic acid esters from the rhizome 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. Auricles at stem and leaf junction of english couch photo. Quackgrass elytrigia repenshas several scientific synonyms including elymus repens, and agropyron repens. Also on the sheet is an undated label in the handwriting of the eminent grass expert w. All structured data from the file and property namespaces is available under the creative commons cc0 license. Agropyron is a genus of eurasian plants in the grass family, native to europe and asia but widely naturalized in north america species in the genus are commonly referred to as wheatgrass. The list of cosmetic products below is a selection of the most requested cosmetics that contain the ingredient agropyron repens extract. Quackgrass elytrigia repens has several scientific synonyms including elymus repens, and agropyron repens.
A preliminary vegetation survey in 1991 showed that the pasture was a mixture of approximately equal to10 c. Information about agropyron repens in the dictionary, synonyms and antonyms. Couch grass agropyron repens plant profiler sigmaaldrich. The colonization of flowering and nonflowering tillers in agropyron is very similar. Description quackgrass is a perennial weed of the graminaceae family. 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. Gramineae grass family medicinal use of couch grass. The most widely encountered species is the common quack grass a. Allelopathic constituents of ethylacetate extracts from shoots and root exudates of 10day old agropyron repens seedlings were investigated. Elytrigia repens formerly known as agropyron repens. Click below on a thumbnail map or name for species profiles. The identification of the seeds 2 of the species of agropyron is an important problem to the farmer, the seedsman, and the seed laboratory. When stored properly, cleaned seed should retain its viability for about five years.
Files are available under licenses specified on their description page. Couch grass rhizome is known under the following common. Seed development following the mating elymus virginicus l. Agropyron quack grass, or couch grass, a genus of plants of the family gramineae. Plants were selected for bunchgrowth, seed set, and desirable morphological characteristics. Rhizomatous perennial grass with decumbent to erect stems to 1 m tall but often much shorter.
Combining mechanical control of couch grass elymus repens l. Agropyrene is regarded as the main active principle in couchgrass on account of its antibiotic effect, although the presenceof. A common plant and weed to gardeners, as it can quickly overtake a garden. Notes on taxonomy and nomenclature top of page the name most commonly used in agricultural literature up to recent years has been agropyron repens. Elymus repens in the germplasm resources information network grin, u. Seedling leaves and sheaths are hairless to sparsely hairy. Isolations from decaying stems are briefly described. Agropyron intermedium synonyms, agropyron intermedium pronunciation, agropyron intermedium translation, english dictionary definition of agropyron intermedium. Usda, ars, germplasm resources information network. Agropyron repens reed, giant arundo donax ryegrass, perennial lolium perenne timothy phleum pratense torpedograss panicum repens vaseygrass paspalum urvillei velvetgrass holcus spp. Agropyron repens definition of agropyron repens by medical. This grass has a wide distribution and is one of the most difficult weeds to control in cultivated. Please login to display the rating of all cosmetics.