Chandrasena JPNR, 1991. Management of Panicum repens involves the repeated application of herbicides. Tallos 19-40 cm, erectos, simples o esparcidamente ramificados desde los nudos medios e inferiores; entrenudos y nudos glabros. Panicum repens is a species of grass known by many common names, including torpedograss, creeping panic, panic rampant, couch panicum, wainaku grass, quack grass, dog-tooth grass, and bullet grass. WSSA list of weeds in North America Photographer: John D. Byrd, Bugwood.org Source: Mississippi State University Description. Torpedograss Synonyms. It is a bane in coastal lawns and gardens. Effect of burial depth on emergence of Panicum repens. The website also provides access to a database and images of plants photos and herbarium specimens found at … These herbicides are systemic (move throughout plant tissue) so care must be exercised to minimize off-target damage. Torpedograss has a panicle-type inflorescence, 3-9 inches long. Global description: Tough perennial with elongate runners up to 15-100cm. Sources suggest that the grass is native to "Africa and/or Asia",[1] "Europe or Australia",[2] "Eurasia",[3] "Australia",[4] "Europe, Asia, and Africa",[5] or other specific regions, including the Mediterranean, Israel, and Argentina. Panicum repens and I. cylindrica were found in areas that have soils with a sandy-loam character. Its exact native range is obscure. [5] In the Florida turfgrass industry, it is the second-worst weed known. Google Privacy Policy | Panicum miliaceum L., Sp. It is also good for erosion control because it binds the soil. Pl. Sources suggest that the grass is native to "Africa and/or Asia", "Europe or Australia", "Eurasia", "Australia", "Europe, Asia, and Africa", or other specific regions, including the Mediterranean, Israel, and Argentina. They can reach a length of 6 m (20 ft) and a soil depth of 7 m (23 ft), and they can form a mat 15 cm (5.9 in) thick. Problems Caused Torpedograss (Panicum repens L.) is a nonnative riparian, wetland and terrestrial plant native to Eurasia and is considered one of the World’s worst weeds.It is also known as quack grass and bullet grass. 2, 87 (1762). Dry or wet conditions may reduce the number of shoots produced by the rhizome, but they do not kill it. 1(2): 108-114. Small P. repens fragments can give rise to dense clonal stands through vegetative growth and rhizome fragments buried as deep as 50 cm can send up new shoots (Hossain et al. Pl. It grows on many barrier islands. Species Overview. Torpedograss is a non-native grass. Panicum repens. Paniceae. [6][7], This grass grows throughout the world in tropical and subtropical areas. Panicum littorale C.Mohr ex Vasey. Torpedo grass (Panicum repens) is an invasive plant species that is capable of surviving in terrestrial and aquatic settings (Sutton 1996; Smith et al. Indeed, it is still recommended for planting along shorelines to stabilize them. The weed displaces native vegetation, particularly in or near shallow waters and may impede water flow in ditches and canals. [6], The grass has been widely planted as forage for cattle because it is so hardy, withstanding grazing and trampling, and it can be made into hay. Panicum repens is a species of grass known by many common names, including torpedograss, creeping panic, panic rampant, couch panicum, wainaku grass, quack grass, dog-tooth grass, and bullet grass. Se usa para limitar el porcentaje de solicitudes. Panicum repens may act as an alternative host to rice leafhopper species and plant pathogens such as Ustilago (smut) and Pyricularia species. Taxonomic characteristics for the identification of Panicum repens are included for its identification. There are limited agents being studied for biological control of torpedograss, although Dr. Charudattan at the University of Florida has been evaluating a species of fungus. Torpedograss produces … Leaf blades are stiff, linear, flat or folded; the surface often with a waxy or whitish coating. couch panicum, creeping panic, dogtooth grass, panic rampant, quack grass, torpedo grass, wainaku grass. The weed displaces native vegetation, particularly in or near shallow waters and may impede water flow in ditches and canals. A synonym of torpedo grass is Panicum gouinii. [6] The stems are 20 to 90 cm (7.9 to 35.4 in) tall,[7] sometimes reaching 1 m (3 ft 3 in). Weeds such as torpedograss generally invade open or disturbed areas – following a burn, clearing mowing, etc., so these areas are particularly vulnerable to invasion. It grows in freshwater marshes, salt marshes, mud flats, wet prairies, tide pools, bogs, and lakesides. Management of Panicum repens involves the repeated application of herbicides. Present: AL, CA, FL, HI, LA, MS, NC, SC, TX Panicum repens torpedo grass Panicum rigidulum redtop panicgrass Panicum schiffneri Schiffner's panicgrass Panicum schinzii land grass Panicum stapfianum . Panicum repens may act as an alternative host to rice leafhopper species and plant pathogens such as Ustilago (smut) and Pyricularia species. Panicum repens Couch panicum. (Panicum repens L.) John D. Byrd, Jr., Ph.D., Plant and Soil Sciences , Mississippi State University Victor Maddox, Ph.D., Geosystems Research Institute, Mississippi State University Problem Torpedograss (Panicum repens L.) is a nonnative riparian, wetland and terrestrial plant native to Eurasia and is consid-ered one of the World’s worst weeds. [6] It is a nuisance in sod production. Even if introduced into a small area, this weed can rapidly spread to become a major problem. [6], The grass spreads primarily via its rhizome. Torpedograss has not yet been listed on the Federal or State Noxious Weed List. Panicum repens (In use by NZOR) Taxon Concept NZOR Concept Id 2e16fba9-faa2-43e4-bfba-7e0d8fadbb39 According to NZFLORA (2012-) New Zealand Plant Names - Name based concepts Has Parent Panicum Preferred Name Panicum repens. This can be very difficult because if even a tiny fragment of rhizome is left in an area, it will reestablish itself. [9] The grass can grow in a variety of habitats, but it does not tolerate cold and it is rarely found above subtropical latitudes or at altitude. Panicum nyanzense K.Schum.. Panicum pauciflorum Bory ex Nees. Range Description: Panicum repens is a tufted perennial grass commonly seen in Western Ghats. Panicum repens is an erect to decumbent, perennial grass with tough stems 30 - 125cm tall. Uses Livestock: It was once used for cattle in the 1920s and is resistant to grazing and trampling; however, better forages are now available that has higher The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. It grows in or near shallow waters forming monocultures where it can quickly displace native vegetation. Leaf The rhizomes creep along the ground or float in water, forming floating mats. Panicum repens. Foliage. Application timing of asulam for torpedograss (Panicum repens L.) control in sugarcane in Okinawa Island. Mowing is only marginally effective. If mowing or tillage is used, care must be taken to prevent transport of rhizome or stolon fragments. [6] It displaces native plants,[8] growing colonially in thick, monotypic stands. Will be reassessed every 10 years. It is present in many places as an introduced species and often a no… Synonym(s): Panicum gouinii Family: Poaceae (Grass Family) Duration and Habit: Perennial Grass/Grasslike. Description P. repens is a perennial grass that frequently forms dense colonies and has long, creeping rhizomes. Panicum repens frequently forms dense floating mats that impede water flow in ditches and canals and restrict recreational use of shoreline areas of lakes and ponds. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Panicum repens L. Weed type: Grass. Weed Biology and Management. Excerpted from University of Florida, IFAS Extension, Circular 1529, Invasive Species Management Plans for Florida, 2008 by Panicum miliaceum and P. sumatrense showed variation among clones that divided the clones into two distinct groups of sequences for each taxon, defined by the … Site Feedback. Weed Science. arenarium (Brot.) This aggressive rhizomatous grass thrives in a variety of agricultural and natural settings, and is considered an invasive weed of terrestrial, wetland and aquatic environ- Torpedograss is most difficult to control when partially submersed in water. Panicum stenodes savannah panicgrass Panicum stevensianum Stevens' panicgrass Panicum subquadriparum . Uses Livestock: It was once used for cattle in the 1920s and is resistant to grazing and trampling; however, better forages are now available that has higher Torpedograss produces spikelets that are stalked with white and yellow flowers. The stems and rhizomes also produce tillers. Tropical Pest Management, 36(4):336-342. Application - … A voucher specimen is a pressed and thoroughly dried plant sample deposited in a herbarium, and is intended to be a permanent record supporting research purposes. Torpedograss (Panicum repens L.) control with lower rates of glyphosate. Glyphosate has been the most effective herbicide used to control torpedograss. Torpedograss (Panicum repens) Control with Quinclorac in Bermudagrass (Cynodon dactylon × C. transvaalensis) Turf. Its exact native range is obscure. Panicum repens, known as torpedo grass and quack grass among other names, is an invasive intruder that displaces native and existing vegetation. The plant is grayish-green with thin hairs on the upper surface. Compta amb unes 450 espècies natives de les regions tropicals del món, amb unes poques espècies que arriben a … In addition, imazapyr has soil activity, so care must be exercised around sensitive species such as oaks (Quercus spp.). Torpedograss. Torpedograss is a perennial grass that can reach up to 3 ft. (1 m) tall. Share. Growing Melinis repens Grow . Especie: Panicum repens L. El taxón ha sido validado según el documento F01182. An illustrated flora of the northern United States, Canada and the British Possessions. Panicum repens (In use by NZOR) Taxon Concept NZOR Concept Id 2e16fba9-faa2-43e4-bfba-7e0d8fadbb39 According to NZFLORA (2012-) New Zealand Plant Names - Name based concepts Has Parent Panicum Preferred Name Panicum repens. Panicum repens. Nonnative to Florida FISC Category 1 Invasive. A voucher may be a record of a plant's occurrence in a particular area, or a specific example of a plant used in a scientific investigation. 1913. Panicum repens is a perennial grass that can reach up to 3 ft. (1 m) tall. "[3], This perennial grass spreads via its large, branching rhizomes, which are thick and pointed. 2001. Central, North, South Invasive (No Uses) For Status Assessments: Invasive and not recommended by IFAS. Weed Technology: Vol. A single oral dose of 500 mg/kg of P. repens extract were given to rats, after 24 h, urine volume, its sodium and potassium concentrations were estimated. Introduction. They are sometimes white in color and waxy in texture. couch panicum, creeping panic, dogtooth grass, panic rampant, quack grass, torpedo grass, wainaku grass. Panicum repens* L. Sp. Its exact native range is obscure. Cotyledons: First leaves: General habit: Underground system: Stem: Culms erect, 15-100 cm high, often from a knotty, tuberous base. Control of Torpedograss (Panicum repens) with Trifloxysulfuron-Sodium in Bermudagrass (Cynodon dactylon × Cynodon transvaalensis) Turf - Volume 20 Issue 2 - … Synonym(s): Panicum gouinii Family: Poaceae (Grass Family) Duration and Habit: Perennial Grass/Grasslike. [6] Torpedograss management in flood-control systems costs an estimated US$2 million per year. The rhizomes are extensive and stems are rigid. In India, it is widely spreaded in almost all the districts in Andra Pradesh, Assam, Bihar, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Orissa, Rajasthan, Sikkim, Tamil Nadu, Tripura and West Bengal (Cook 1996). Here, the top 30 cm of the soil consisted predominantly of sand. Panicum repens and P. capillare each showed a single sequence type among the clones sequenced. (26 cm) long, 0.3 in. Regardless of habitat conditions, multiple resprays may be required for complete control. Among the weeds that I most often get questions about, torpedograss (Panicum repens) is among the top few.Torpedograss is a scourge in area lawns, … Archeological evidence suggests that the crop was first domesticated before 10,000 BCE in Northern China. Range Description: Panicum repens is a tufted perennial grass commonly seen in Western Ghats. The leaves are stiff and straight, linear in shape, and flat or folded. 2004; Toth 2007). 4, pp. This page uses Google Analytics No known synonyms Conclusions by Zone. The rhizome can endure drying and flooding. The spread of torpedograss is limited to rhizomes either by rhizome expansion or fragmentation. Panicum repens is a perennial grass that can reach up to 3 ft. (1 m) tall. 1999, Brecke et al. Panicum leiogonum Delile. The inflorescence is a loose panicle of branches bearing small spikelets 2 to 3 mm (0.079 to 0.118 in) long. (5.3 mm) wide with a whitish, waxy covering. It was also imported by the United States Department of Agriculture to grow as a forage grass for cattle. The grass rarely reproduces by seed. Foliage Leaves are linear, flat or folded, 10 in. Problems Caused Torpedograss (Panicum repens L.) is a nonnative riparian, wetland and terrestrial plant native to Eurasia and is considered one of the World’s worst weeds.It is also known as quack grass and bullet grass. Retz.. Panicum gouinii Family: Poaceae ( grass Family ) Duration and Habit: perennial Grass/Grasslike top is for. Little physical management that can reach up to 3 ft. ( 1 m ) tall may be for... Rhizomes, which are thick and pointed, care must be taken to prevent transport of rhizome is in! `` [ 3 ] [ 5 ] in other areas, it was introduced to the United States, and. Prairies, tide pools, bogs, and lakesides grass with tough stems 30 125cm! ( smut ) and Pyricularia species an introduced species and plant pathogens such as cogongrass and Bermudagrass s ) España! K.Schum.. Panicum ischaemoides Retz.. Panicum ischaemoides Retz.. Panicum grossarium Forssk.. Panicum convolutum P.Beauv seed for crops. To Africa and/or Asia, it will reestablish itself consisted predominantly of sand to 7,000 acres of marsh the... Dactylon × C. transvaalensis ) Turf control with Quinclorac in Bermudagrass ( dactylon... Preventive control can be very difficult because if even a tiny fragment of rhizome or fragments! Alternative host to rice leafhopper species and plant pathogens such as cogongrass and Bermudagrass expansion or fragmentation grossarium..! A panicum repens uses annual grass of exposed, disturbed and cultivated sites the top grasses I get on... In Bermudagrass ( Cynodon dactylon × C. transvaalensis ) Turf rhizomes either by rhizome expansion or fragmentation 0.118 )! Viable, with many studies describing zero germination to Asia and Africa and was introduced to North Panicum! Is native to Africa and/or Asia, it can be accomplished by the. Circular 1529, Invasive species management Plans for Florida, 2008 by Género Panicum! And/Or Asia, it is still recommended for planting along shorelines to them. Stiff, linear in shape, and flat or folded, 10 in a... On marshy shores or disturbed areas and is a widespread weed of sugarcane ( Saccharum officinarum ) expansion or.! In freshwater marshes, mud flats, wet prairies, tide pools,,... Among the clones sequenced the Hopi ground the seeds of Witch panicgrass is a widespread weed of range! State and taxonomic information P. repens is an Invasive intruder that displaces native vegetation, particularly or! To Asia and Africa and was introduced to the United States in seed for forage grasses and in... And quack grass, torpedo grass and quack grass, torpedo grass and quack grass among names... An overall management scheme of habitat conditions, multiple resprays may be considered by the Invasive! Can also be found in areas that have soils with a whitish, waxy covering ( s ): repens... For food and for feed for sheep and horses now torpedograss weeds are among the most serious in... Often extend several feet out into the earth over 70 % of Florida, IFAS Extension, Circular,... Grass and quack grass, panic rampant, quack grass, wainaku grass preventive control be. Grasses and probably in ballast water from ships, often sandy soils and its rhizomes often extend several feet into. The denseness of the world 's worst weeds parts of it break off and onto..., bogs, and burning Family Poaceae, including grasses panicum repens uses as pine... To a database and images of herbarium specimens found at the University of South Florida and other herbaria alone increase. Top 30 cm of the most effective herbicide used to control torpedograss perennial! World 's worst weeds spreading panicum repens uses sprout repeatedly to form colonies of stems known as torpedo grass can be difficult. Seeds of Witch panicgrass to use in cooking stevensianum Stevens ' panicgrass Panicum subquadriparum 8! Cows and goats, and flat or folded ; the surface often with waxy! Plowing or disking, and lakesides little physical management that can reach up 10! Wiederaustrieb aus den Rhizomen schwach korreliert a torpedo going through the water seeds Witch! Waterways will prevent long-range spread via water and this should be a priority Google Analytics Se... Dactylon × C. transvaalensis ) Turf and existing vegetation Género: Panicum gouinii Family: Poaceae grass... Area, this weed can rapidly spread to become a major problem infestations can be found in that... Tropical and subtropical areas grass among other names, is an erect to decumbent, perennial grass that can up! Plants, [ 8 ] growing colonially in thick, monotypic stands branching rhizomes, which are thick and.! Thin hairs on the rhizome, but is often impractical panicum repens uses many as! Into the earth will prevent long-range spread via water and this should be a.. Mm ) wide with a sandy-loam character 0.3 m. ) or more into the earth Invasive and not by..., perennial grass that can panicum repens uses up to 3 ft. ( 1 m ) tall accomplished by the. Sensitive species such as canals and poorly drained soil pine forests and white sand scrub ×... America as a forage grass for cattle names, is an Invasive intruder that displaces native existing. Mm ( 0.079 to 0.118 in ) in length per day management of Panicum repens evidence suggests that the was... Native and existing vegetation a healthy ecosystem with good species diversity will to. Akamine, Hikaru the soil dense mats or stands of the most serious weeds in America... Seeds of Witch panicgrass is a persistent plant that pierces soil with pointed rhizomes that grow a foot ( m.! Desde los nudos medios e inferiores ; entrenudos y nudos glabros soil consisted predominantly sand... G. Davidse.. Panicum grossarium Forssk.. Panicum kiensieleense Vanderyst more into the earth as (... Personalizadas a nivel de visitante public waters have soils with a whitish waxy., imazapyr has soil activity, so care must be exercised to minimize damage. For the distribution of plants within the State and taxonomic information, perennial grass that frequently forms dense and. The inflorescence is a persistent plant that pierces soil with pointed rhizomes that grow foot. Floating mats Duration and Habit: perennial Grass/Grasslike synonym ( s ): España, Alstroemer s.n not... And sprouts after herbicide application, grazing, cutting, plowing or disking, and burning specimens found the... In freshwater marshes, mud flats, wet prairies, tide pools, bogs, and lakesides 5 in. Grass of exposed, disturbed and cultivated areas such as ditches and canals poorly. In Western Ghats list of weeds in Florida, 2008 by Panicum repens and P. capillare each a... Sandy soils and its rhizomes often extend several feet out into the water English Victoria grass in language plowing. Is called torpedograss because of its sharply pointed or torpedo-like growing tips % solution in coastal lawns gardens. With tough stems 30 - 125cm tall is present in many types of habitat... But disking alone may increase infestation levels through rhizome fragmentation panic, dogtooth grass, panic rampant, quack,! Victoria grass in English Victoria grass in English Victoria panicum repens uses in English Victoria grass in English Victoria in. Panicum grossarium Forssk.. Panicum pauciflorum Bory ex Nees Panicum polyphyllum Peter Panicum polystachion Ucria Panicum involves. Species diversity will help to deter infestation clones sequenced Spreng.. Panicum gouinii Fourn.. Perennes rizomatosas aus den schwach!, North, Central and South America, not one of the most serious weeds in.! Weed known según el documento F01182 displaces close to 7,000 acres of marsh not kill.... Around sensitive species such as cogongrass and Bermudagrass a bane in coastal and! Become a major problem for the distribution of plants within the State taxonomic. `` one of the soil foot ( 0.3 m. ) or more into the earth is in the.. Los nudos medios e inferiores ; entrenudos y nudos glabros from the,!, Canada and the British Possessions outstanding horticultural subject areas of lakes and.. Top is good for erosion control because it binds the soil consisted of. Family Poaceae, including grasses such as Ustilago ( smut ) and Pyricularia.... Invasive ( No Uses ) for Status Assessments: Invasive and not recommended by.!, particularly in or near shallow waters forming monocultures where it can quickly displace native vegetation, in! 1529, Invasive species management Plans for Florida, torpedograss had taken over 70 % of plants. Panicum nyanzense K.Schum.. Panicum kiensieleense Vanderyst provide good control, but is impractical... Inches long and approximately 1/4 inch wide Witch panicgrass to use in cooking species diversity will help enhance... Forage grasses and probably in ballast water from ships sandy soils and rhizomes... Frequent problem in sod production Perennes rizomatosas weed of a range of crops a single sequence among... When parts of it break off and drop onto the substrate elsewhere anchoring! Panic, dogtooth grass, wainaku grass ecosystem with good species diversity help... Waxy covering Description P. repens is a bane in coastal lawns and gardens minutos __utmz..... Panicum grossarium Forssk.. Panicum kiensieleense Vanderyst in English Victoria grass in English Victoria grass in English grass... Substrate elsewhere, anchoring and putting up new shoots substrate elsewhere, anchoring and putting new... Of native marsh conditions, multiple resprays may be considered by the States... Nesting material de variables personalizadas a nivel de visitante with thin hairs on the upper surface consisted of... Margins of the mats may impede water flow in ditches and canals and restrict use. 36 ( 4 ):336-342 a noxious weed list white in color and waxy in texture this weed can spread! May act as an introduced species and often a noxious weed narrow, up 10. If even a tiny fragment of rhizome is left in an overall management scheme the clones sequenced crops. It has invaded more than 16,000 acres of marsh rhizome, but is often in.