Width: 2 ft. 0 in. This is hot enough to kill most competing plants, including trees. K. Nishimoto, M. Ito and S. Natori, Tetrahedron, 1968, Volume 24, Issue 2, Pages 735–752. Young inflorescences and shoots may be eaten cooked, and the roots contain starch and sugars and are therefore easy to chew. Extracts of the plant have shown viricidal and anticancer activity. [5], Cogongrass has an extensive rhizome network, the biomass of which accounts for 60% of the total biomass of the plant. It prefers full sun but will tolerate some shade. koenigii. It is highly flammable, even when still apparently green,[7] particularly in tropical climates. The leaf margins are finely serrated and very sharp when felt “against the grain”. Once cogongrass is established in forests, chemical control is required. It is considered a sacred material in Vedic scriptures and is said to purify the offerings during rituals. [3], The species is most commonly known in English as "cogongrass",[2] from Spanish cogón, from the Tagalog and Visayan kugon. Cogon grass is considered to be one of the top 10 worst weeds in the world and has extensively invaded north and central Florida disturbed areas and pinelands. As emphasized by MacDonald (2004), prevention of establishment is paramount because cogongrass is difficult to eradicate once the rhizome root system is formed. Extensive rhizome growth on a young cogongrass plant. Imperata cylindrica was first described by Linnaeus in 1759 under the basionym Lagurus cylindricus. Family: Gramineae (Grass Family) Medicinal use of Cogongrass: The flowers and the roots are antibacterial, diuretic, febrifuge, sialagogue, styptic and tonic. Reply. Worldwide it has been observed from 45°N to 45°S. Cogon grass (Imperata cylindrica) is an invasive, non-native grass which occurs in Florida and several other southeastern states. It is not uncommon to see hillsides of cogongrass on fire. After a fire, cogongrass will recolonize the area using their rhizome network which was unaffected by the fire. Treatment C, with 5% water and 7.5% starch showed to be the best treatment. Cogon grass is a serious weed in cultivated areas of South Africa and Australia and is considered an invasive species in many areas outside its native range. The leaves are woven to make mats, bags and raincoats. [2], It grows from 0.6 to 3 m (2 to 10 feet) tall. Combining a fall treatment with an additional application to the Spring regrowth (when leaf area is adequate) is an effective one-two punch to start a control plan. Under the “scales” a very distinct pattern of nodes and internode is visible. Adequate spray coverage is crucial maximizing control. It is used for thatching the roofs of traditional homes throughout south-east Asia. Seedheads will vary from 2 to 8 inches in length (Figure 3). Cogon grass reproduces asexually by rhizomes and sexually by seeds (Hubbard et al., 1944). In the U.S. it survives best in the Southeast (and, according to a 2003 survey, has overtaken more acreage in that region than the notorious kudzu),[18] but has been reported to exist as far north as West Virginia and Oregon. Hurricane Ivan brought it to my property and it is quite intrenched in my flower bed area as well as nearby lawn. There are other grasses that may possess one or two of these characteristics but cogongrass will generally exhibit all the traits listed. Imperata cylindrica, a few key facts. Beneficial Uses of the Cogon Grass As food: Young clusters and shoots are edible when cooked, the roots are starchy and contain sugar. [3][10][11][6], A common expression in the Philippines is ningas cogon ('cogon brush fire'). Photo Credit: https://www.forestryimages.org/. Noteworthy Characteristics. • Paper Product Feasibility Study: Study evaluated the feasibility of cogon grass as substitute for cardboard, food packaging, souvenir making uses. [15][16], It is used as an ingredient in the skincare brand Kiehl's Ultra Facial Cream for its high concentrations of potassium which provides a hydrating effect. Cogongrass is used as a soil binder (to prevent soil erosion), animal feed, and herbal medicine. Quarantine and extermination of this plant is especially difficult because cogongrass establishes root systems as deep as four feet, and regrowth can be triggered by rhizome segments as small as one inch. Photo Credit: Mark Mauldin. Cogon grass is globally known as a pest and one of the top ten worst weeds in the world. aim to utilize the use of dried Cogon Grass (Imperata Cylindrica) as a substituting agent and a thickener for gypsum boards. It spreads both through small seeds, which are easily carried by the wind, and rhizomes which can be transported by tilling equipment and in soil transport. "This 'vicious' invasive plant burns hot enough to kill trees and stabs them with its roots", "Species Description: Imperata cylindrica (L.) Beauv", "Fire and Nonnative Invasive Plants in the Southeast Bioregion", "Ultra Facial Cream 24-Hour Moisturizer - Kiehl's", Aggressive weed becoming a menace worse than kudzu, "Identification and Control Methods for Cogongrass in Tennessee", "Cogongrass in Alabama after Sixty Years", https://www.invasivespeciesinfo.gov/terrestrial/plants/cogongrass/resources#:~:text=If%20you%20suspect%20you%20have,come%20do%20a%20site%20visit, "Cogongrass biology and management in the southeastern U.S. University of Florida, Southern Regional Extension Forestry, 2018 Candice Prince, Gregory MacDonald, Stephen Enloe, and David Coyle", "Imperata cylindrica | UF/IFAS Center for Aquatic and Invasive Plants", World Checklist of Selected Plant Families, PFAF.org: Cultivation and edible/medicinal uses of, WageningenUR.nl: "From Imperata cylindrica Grasslands to productive Agroforestry", United States National Agricultural Library, National Invasive Species Information Center: Species profile for, Cogongrass | National Invasive Species Information Center, https://en.wikipedia.org/w/index.php?title=Imperata_cylindrica&oldid=993320249, Articles with dead external links from July 2018, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License, This page was last edited on 10 December 2020, at 00:34. The hot water solubility of I. cylindrica is quite similar with switch grass, but lower than C.tataria, elephant grass and Palmyra palm fruit as seen in Table-1. It can eliminate toxins. Thank you, Amanda – that’s very good to know. Because of its density and high biomass, cogongrass provides a very high fuel load, enabling wildfires to burn faster, higher, and much hotter. Photo Credit: Mark Mauldin, Figure 2. My program areas include livestock and forage, row crops, and pond management. Blady grass (Imperata cylindrica) commonly known as cogon grass, kunai grass or Japanese bloodgrass is a type of grass that has sharp leaves and usually the weeds that interfere with crop farmers. As building material: Roof thatches, Fuel for cooking (bundled). Inset is a close-up of the same plant showing the typical scaly appearance of the rhizomes. The rhizomes are light colored, thick (1/8-1/4 inch in diameter), sometimes scaley, and always with a very prominent node-internode pattern (Figure 4). A pest in 73 countries, and considered to be one of the "Top 10 Worst Weeds in the World", cogon grass affects pine productivity and survival, wildlife habitat, recreation, native plants, fire behavior, site management costs and more. The leaves also have a prominent, off-set white midrib (Figure 2). They can penetrate up to 1.2 m (3.9 ft) deep, but 0.4 m (1.3 ft) is typical in sandy soil. Why is cogon grass invasive? The seedheads are cottony white and quite airy/fluffy. I didn’t know this was your website. Figure 5. Cogon grass [Imperata cylindrica (L.) Beauv.] [22] Before it was named an invasive species in the area, it was cultivated for fodder for livestock and erosion control. Uses (Ethnobotany): It has been used in traditional medicines. Bearing – Upright mound Foliage – deciduous Height – 16 to 36 inches (40 to 90 cm) The rehabilitation phase requires establishment or release of fast growing native plants that can out-compete and outlast any surviving cogongrass plants while stabilizing and protecting the soil. This perennial grass from Southeast Asia was introduced into the U.S. in 1911 near Mobile, Alabama as packing material in a shipment of plants from Japan and into Mississippi as a forage crop before the 1920s. It affects the lives of vegetation Studies show that cogongrass contains chemicals (has the allelopathic ability) that prevent the growth of other plant species and contribute to its invasiveness and extreme competitiveness. The upper surface is hairy near the base of the plant while the underside is usually hairless. [28], The legume vine Mucuna pruriens is used in the countries of Benin and Vietnam as a biological control for Imperata cylindrica.[29]. It is also planted and sold as an ornamental; I. cylindrica variety Rubra also known as Red Baron or Japanese Blood grass is used in landscaping. Many cultures have found uses for the flowers and roots this herb in … [20], Cogongrass is difficult to contain mainly because it is highly adaptive to harsher environments, establishing itself on soils low in fertility. Family Poaceae . Imperata cylindrica, commonly known as cogongrass, is now considered to be one of the ten worst weeds in the world.It is native to Korea, Japan, China, India, and tropical eastern Africa. Cogongrass has a unique combination of characteristics that make field identification possible. List of various diseases cured by Imperata Cylindrica. Designed by Elegant Themes | Powered by WordPress. is a rhizomatous perennial grass that has infested ~200 million hectares of land in Asia and 500 million hectares worldwide [15]. I am the Agriculture and Natural Resources agent in Washington County. In this study, it refers to the capability of cogon grass to be used as a material for paper making. In order to completely remove this plant, the rhizomes must be destroyed. Making paper using cogon grass is a way to productively use the invasive weed. [24] It is now listed as a Federal Noxious Weed in some Southeastern States[25] and Arkansas. Additionally, since. Control strategies for cogongrass vary considerably by location/situation. There are no selective herbicide options for controlling cogongrass. Cogongrass patches appear as pale green leaves coming straight out of the ground with no stem, branching, or visible nodes/internodes. Herbicide applications made to cogongrass in the fall are generally more effective than those made other times of the year, making this is a great time of year for a quick review on cogongrass identification and control strategies. How Imperata Cylindrica is effective for various diseases is listed in repertory format. Deep plowing may be effective in the removal of cogongrass if the plow reaches up to 6 i… [21] Cogongrass came to the Southeastern United States in the early 1900s as shipping material in crates. Synonyms: Imperata arundinacea, Miscanthus arundinacea. [30] They were renamed by the French entomologist and botanist Palisot de Beauvois to the current accepted name of Imperata cylindrica. Early fall (late September through October) is the best time of year to treat cogongrass with herbicide. Simple but vital measures include identification of this highly invasive grass and sanitation of soil or mechanical equipment that may be contaminated with either seed or rhizome material to prevent cogongrass from infesting new territory. [5][6], Cogongrass is a fire-adapted species. Its scientific name is Imperata cylindrica.. ETYMOLOGY: The English word ‘cogon’ is from the Spanish cogón, which is from the Tagalog word kugon.. Cogongrass been called Japanese bloodgrass and is considered a noxious weed that’s a more invasive species than kudzu in the southeastern United States. Wunderlin, R. P., and B. F. Hansen. Rehabilitation is the most important phase of control and reclamation of land infested with cogongrass or other non-native invasive plants. The rhizomes are generally found as a thick mat in the top 6 inches of the soil. And B. F. Hansen … it can eliminate toxins for livestock and erosion.. Extensive rhizome system, adaptation to poor soils, drought tolerance, plasticity... Variable in appearance ( Ladion, 2000 ) ) Beauv., M. Ito and S.,! Leaves coming straight out of cogon grass is renewable Southeastern United States, state governments have various eradication efforts place! To kill most competing plants, including trees controlling cogongrass time of to! Erosion control R. P., and B. F. Hansen agent in Washington.. 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