Summary: Information on description, economic importance, distribution, habitat, history, growth, and impacts and management of species. WSSA list of weeds in North America Present: AL, CA, FL, HI, LA, MS, NC, SC, TX Family: Poaceae ⁄ Gramineae – Grass family Genus: Panicum L. – panicgrass Species: Panicum repens L. – torpedo grass 4, pp. Management of Panicum repens involves the repeated application of herbicides. Mechanical control is only moderately effective for torpedograss control. Archeological evidence suggests that the crop was first domesticated before 10,000 BCE in Northern China. Native to Africa and/or Asia, it was introduced to the United States before 1876, primarily through seed used for forage crops. The rhizome can endure drying and flooding. Panicum repens is a perennial grass that frequently forms dense colonies and has long, creeping rhizomes. INCLUDING Manual of the Grasses of the US … https://www.fs.fed.us › database › feis › plants › graminoid › panrep › all.html 1854; Panicum ischaemoides Retz. It can also be found in more upland situations and is a frequent problem in sod production. Preferred Name (NZOR Concept Id 959f4543-9dd0-4912-bd70-e7c992165e61) Classification superkingdom Eukaryota kingdom Plantae phylum Tracheophyta subphylum Spermatophytina class Magnoliopsida order Poales family Gramineae genus Panicum species Panicum repens Providers NZFLORA Provider Contribution Summary Age, Size, Lifespan. 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. Appearance. Accession # Family (modern) File Name Collector and # Country: State/Prov Date (YMD); FLAS 125247: Poaceae : Panicum repens : James R. Burkhalter 2986 : USA: Alabama: Baldwin County Poaceae ⁄ Gramineae – Grass family. The plant survives and sprouts after herbicide application, grazing, cutting, plowing or disking, and burning. Its exact native range is obscure. [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. The spreading rhizomes sprout repeatedly to form colonies of stems. … [6], The grass spreads primarily via its rhizome. Panicum repens. Introduced into North, Central and South America, . Panicum repens L. APNI* Description: Perennial to 1.2 m high with extensive robust rhizomes with sharp, penetrating, scaly apices. Introduction. Panicum repens L. 1762; Preferred Common Name. The Plant List (TPL) was a working list of all known plant species produced by the botanical community in response to Target 1 of the 2002-2010 Global Strategy for Plant Conservation (GSPC). U.S. Natl. [6] Torpedograss management in flood-control systems costs an estimated US$2 million per year. [11], Factors influencing the efficacy of glyphosate on torpedograss (, https://en.wikipedia.org/w/index.php?title=Panicum_repens&oldid=991188673, Creative Commons Attribution-ShareAlike License, This page was last edited on 28 November 2020, at 19:21. Herb. The rhizomes creep along the ground or float in water, forming floating mats. [6] It displaces native plants,[8] growing colonially in thick, monotypic stands. Preventive control can be accomplished by preventing the spread and fragmentation of rhizomes. 1853. 2003. The denseness of the mats may impede water flow in ditches and canals and restrict recreational use of shoreline areas of lakes and ponds. 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. 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. Origin: Old World. The rhizome can disperse when parts of it break off and drop onto the substrate elsewhere, anchoring and putting up new shoots. They are sometimes white in color and waxy in texture. UF Privacy Policy [1] In Lake Okeechobee, it has invaded more than 16,000 acres of marsh. Be sure to include a non-ionic surfactant at 0.25% (10 mLs or 2 teaspoons per gallon of spray solution). Torpedograss is one of the most serious weeds in Florida. Torpedograss (Panicum repens) Control with Quinclorac in Bermudagrass (Cynodon dactylon × C. transvaalensis) Turf. [6] It is present in many places as an introduced species and often a noxious weed. In the early 1900’s the United States Department of Agriculture imported and distributed torpedograss seed for planting in pasturelands, providing forage for cattle. [6][7], This grass grows throughout the world in tropical and subtropical areas. Panicum repens Nees, 1829 Panicum repens Thwaites Common names Victoria grass in English Victoria grass in language. Mowing is only marginally effective. It grows on many barrier islands. (26 cm) long, 0.3 in. Weed Technology: Vol. Panicum repens is a perennial grass that grows to 1 m in height. If mowing or tillage is used, care must be taken to prevent transport of rhizome or stolon fragments. This page uses Google Analytics Genus. 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. Seeds are sometimes observed but they are apparently rarely viable, with many studies describing zero germination. Panicum L. – panicgrass. A single tillage operation may help to enhance herbicidal effectiveness, but disking alone may increase infestation levels through rhizome fragmentation. Its exact native range is obscure. Abundance. 7. It grows in or near shallow waters forming monocultures where it can quickly displace native vegetation. 1825; Panicum hygrocharis Steud. Panicum repens occurs along the entire east coast of Florida, including the six IRL watershed counties. The largest infestations can be found in Lake Okeechobee where it displaces close to 7,000 acres of native marsh. Site Feedback. Genus: Panicum L. Panicum repens L. This species is accepted, and its native range is Tropical & Subtropical Old World. These herbicides are systemic (move throughout plant tissue) so care must be exercised to minimize off-target damage. 1902; Panicum convolutum Beauv. 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). Leaf blades are stiff, linear, flat or folded; the surface often with a waxy or whitish coating. It grows in many types of wetland habitat, in and out of the water. Subordinate Taxa. [3][5] In other areas, it can be found in turf and orchards. Preferred Scientific Name. 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. Panicum repens L. [family POACEAE] Isotype of Panicum repens L. [family POACEAE] Isosyntype of Tricholaena grandiflora Hochst. Glyphosate has been the most effective herbicide used to control torpedograss. 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. Click below on a thumbnail map or name for species profiles. torpedo grass; Other Scientific Names. The spread of torpedograss is limited to rhizomes either by rhizome expansion or fragmentation. ... Kew Names and Taxonomic Backbone The International Plant Names Index and World Checklist of Selected Plant Families 2021. The panicum repens family name often with a whitish, waxy covering spp. ) so care must be to. Than 16,000 acres of native marsh and Nuisance Plant management information System, cutting, plowing or,! Resprays may be integrated in an area, it is also good for erosion control because it the. Problem for the citrus and golf course industries when partially submersed in water, forming floating.. 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