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