Its exact native range is obscure. Esta cookie se crea cuando un programador usa el método _setCustomVar con una variable personalizada a nivel de visitante. Panicum repens is a perennial grass that can reach up to 3 ft. (1 m) tall. Management of Panicum repens involves the repeated application of herbicides. The weed displaces native vegetation, particularly in or near shallow waters and may impede water flow in ditches and canals. By 1992, torpedograss had taken over 70% of Florida’s public waters. 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. Chandrasena JPNR, 1990. Description P. repens is a perennial grass that frequently forms dense colonies and has long, creeping rhizomes. Effect of burial depth on emergence of Panicum repens. Panicum repens Taxonomy ID: 158137 (for references in articles please use NCBI:txid158137) current name Torpedograss has not yet been listed on the Federal or State Noxious Weed List. The hypolipidemic effect of an ethanolic extract from the roots and rhizomes of Panicum repens L. was investigated in rats suffering from high-cholesterol, diet-induced hyperlipidemia, and the phytochemicals in the extract were analyzed. It easily moves into disturbed and cultivated areas such as ditches and canals. 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. Here, the top 30 cm of the soil consisted predominantly of sand. It is a widespread weed of a range of crops. Panicum repens may act as an alternative host to rice leafhopper species and plant pathogens such as Ustilago (smut) and Pyricularia species. Control of torpedograss (Panicum repens) through submersed applications of systemic and contact herbicides – Interim report Gray Turnage Geosystems Research Institute, Mississippi State University, Mississippi State, MS 39762-9627 Cite as: Turnage, G. 2018. [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. Torpedograss is in the family Poaceae, including grasses such as cogongrass and bermudagrass. elatum Lojac., 1909 Homonyms Panicum repens L. Panicum repens Burm.f. Native to Africa and/or Asia, it was introduced to the United States before 1876, primarily through seed used for forage crops. Will be reassessed every 10 years. Introduced into North, Central and South America, . The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. [6], The grass spreads primarily via its rhizome. Specified and limited uses may be considered by the IFAS Invasive Plants Working Group. Leaf blades are narrow, up to 10 inches long and approximately 1/4 inch wide. Its exact native range is obscure. The Navajo also used the seeds for food and for feed for sheep and horses. Panicum repens L., Sp. Zusammenfassung. Foliage Leaves are linear, flat or folded, 10 in. General information about Panicum repens (PANRE) Mediterranean, Western Asia, India, China, Japan, Indochina, Malesia, Africa (thoughout), Australia. Witch panicgrass is a native annual grass of exposed, disturbed and cultivated sites. Pl. Weed Technology: Vol. Panicum repens, known as torpedo grass and quack grass among other names, is an invasive intruder that displaces native and existing vegetation. [6] It has been noted to reproduce by seed in Portugal,[9] but does not do so in the United States,[10] and it was described as "incapable of fruiting" in Japan. WSSA list of weeds in North America Der Bekämpfungserfolg war mit dem Wiederaustrieb aus den Rhizomen schwach korreliert. Archeological evidence suggests that the crop was first domesticated before 10,000 BCE in Northern China. No known synonyms Conclusions by Zone. Torpedograss management costs approximately $2 million a year in flood control systems. Panicum virgatum(switchgrass) is a crop grass widespread in its native North America (Missaoui et al., 2005), where it is widely planted for forage and conservation, and is a current target of development for a biofuel crop (Saski et al., 2011; Triplett et al., 2012). Specified and limited uses may be considered by the IFAS Invasive Plants Working Group. Foliage. Range Description: Panicum repens is a tufted perennial grass commonly seen in Western Ghats. 2001). Most of the times field is irrigated for preparation and weeds are allowed to … 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). Central, North, South Invasive (No Uses) For Status Assessments: Invasive and not recommended by IFAS. The rhizome can endure drying and flooding. This can be very difficult because if even a tiny fragment of rhizome is left in an area, it will reestablish itself. [6] The stems are 20 to 90 cm (7.9 to 35.4 in) tall,[7] sometimes reaching 1 m (3 ft 3 in). Panicum repens and P. capillare each showed a single sequence type among the clones sequenced. Cotyledons: First leaves: General habit: Underground system: Stem: Culms erect, 15-100 cm high, often from a knotty, tuberous base. Panicum miliaceum L., Sp. Tallos 19-40 cm, erectos, simples o esparcidamente ramificados desde los nudos medios e inferiores; entrenudos y nudos glabros. WSSA list of weeds in North America Panicum és un gran gènere de plantes de la família de les poàcies. The plant survives and sprouts after herbicide application, grazing, cutting, plowing or disking, and burning. The Alabama Plant Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland information for each species. The plant is grayish-green with thin hairs on the upper surface. Control of infestations near waterways will prevent long-range spread via water and this should be a priority. Panicum repens can reproduce sexually through flowering and seed production, though the principal means of propagation is reported to be rhizome extension and fragmentation (Holm et al. Pl. [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. A 2 to 3% solution of glyphosate (Roundup, etc.) Global description: Tough perennial with elongate runners up to 15-100cm. It also invades drier habitat, such as coastal pine forests and white sand scrub. Habitat: Torpedo grass can be found on marshy shores or disturbed areas such as canals and poorly drained soil. UF Privacy Policy The weed displaces native vegetation, particularly in or near shallow waters and may impede water flow in ditches and canals. 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. 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). The plant is grayish-green with thin hairs on the upper surface. 4, pp. 1(2): 108-114. Mechanical control is only moderately effective for torpedograss control. (26 cm) long, 0.3 in. Panicum repens may act as an alternative host to rice leafhopper species and plant pathogens such as Ustilago (smut) and Pyricularia species. It is a bane in coastal lawns and gardens. Birds eat the seeds and use the plant for nesting material. The weed is also reported to suppress the germination and growth of other plants. [1] In Lake Okeechobee, it has invaded more than 16,000 acres of marsh. Torpedograss is a non-native grass. Archeological evidence suggests that the crop was first domesticated before 10,000 BCE in Northern China. The name comes from the hard, sharp point on the rhizome that runs horizontally underground, like a torpedo going through the water. Panicum arenarium Brot.. Panicum chromatostigma Pilg.. Panicum convolutum P.Beauv. Torpedo grass (Panicum repens) is an invasive plant species that is capable of surviving in terrestrial and aquatic settings (Sutton 1996; Smith et al. The pointed shape of the rhizome tip gives the plant the name torpedograss. Photographer: John D. Byrd, Bugwood.org Source: Mississippi State University Description. Panicum repens is a perennial grass that can reach up to 3 ft. (1 m) tall. arenarium (Brot.) [6] It displaces native plants,[8] growing colonially in thick, monotypic stands. The leaves are stiff and straight, linear in shape, and flat or folded. It grows in many types of wetland habitat, in and out of the water. Weed Science. Natal Red Top is good for controlling soil erosion and as is an outstanding horticultural subject. Introduction. 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