Cogongrass imperata cylindria is a worldclass invasive grass and a. Institute of food and agricultural sciences extension. Cogon grass in the wild roof made of dried leaves of the cogon grass cogon grass imperata cylindrica beauv or cogon grass of feather grass or dokyakha or lalang flowers during summer. Cogongrass mississippi department of agriculture and commerce. Cogongrass control varies according to the age and rhizome mat density and depth. Field guide to the identification of cogongrass keywords.
Click here to download all available records in eddmaps for this species. It can be used to clear areas for planting and as part of an integrated approach to enable the establishment of legume ground covers irri nri, 1996. Website developed, maintained and hosted by the center for invasive species and ecosystem health at the university of georgia warnell school of forestry and natural resources and college of agricultural and environmental. In addition, 41% of respondents believed that this invasive grass has reduced the recruitment andor growth of trees in woodlands, and approximately 54% of woodland owners responded that cogongrass has increased the hazard for wildfire in the area of infestation, illustrating the large negative impact that this invasive grass is having on. The most recognizable feature of cogongrass is the fluffy white seed heads that are produced in the spring marchjune immediately following grass greenup. Cogongrass imperata cylindrica, an invasive grass from asia, is considered the seventh worst weed in the world. Cogon grass is stemless erect perennial growing in loose to compact tufts with slender flat. First, cogongrass infestations usually occur in circular patches.
Chapter 28 cogon grass biological control of invasive. The spread of the vgt in the philippines in the past two years has been considered fast by many people. Cogongrass imperata cylindrica, biology, ecology and management in florida, by g. Making paper from cogon grass requires the effective breakdown of fibers to. Current cogongrass infestation by county in the southeast u. Cogongrass imperata cylindrica is an invasive, nonnative grass which occurs in the southeast region of the united states.
Apr 18, 2016 cogon grass by properties in mississippi april 18, 2016. Cogon grass synonyms, cogon grass pronunciation, cogon grass translation, english dictionary definition of cogon grass. Making paper using cogon grass is a way to productively use the invasive weed. Cogon grass as an alternative fibre for pulp and paperbased industry. The map for cogongrass represents the joint distribution of plant hardiness zones 4, areas with zero to over 100 inches of annual precipitation.
The cogon grass was cut, boiled, and crushed in order to get the pulp. Individual leaf blades are flat and serrated, with an offcenter prominent white midrib figure 2. Cogongrass university of florida, institute of food and. Website developed, maintained and hosted by the center for invasive species and ecosystem health at the university of georgia warnell school of forestry and natural resources and college of agricultural and environmental sciences. Cogongrass, imperata cylindrical, is a hardy species, tolerant of shade, high salinity and drought. This asian grass entered the united states through the port of mobile in the early 1900s and has spread into 73 mississippi counties. In spring, a single plant can produce up to 3000 seeds per seed head that may be carried great distances by the wind. The feasibility of cogon grass imperata cylindrica as a substitute for cardboard food packaging was studied in this research project. Cogongrass imperata cylindrica biology, ecology, and management in florida grazing lands 4 table 1. Cogon grass by properties in mississippi april 18, 2016. This grass not only competes for food and water, it wins.
Auburn university agronomy imcy alauburn university extension service imcy agronomy journalintegrated management of cogongrass in corn imcy aquatic, wetland and invasive plant info. Cogon weed is not native to america but spread from the accidental introduction of the seed from japanese packing materials in the early 1900s. In florida alone, it has spread to more than a million acres. Young infestations are usually easier to control than older wellestablished infestations.
Cogon grass definition of cogon grass by the free dictionary. Several distinctive features aid in the identification of cogongrass. Cogongrass national invasive species information center usda. Perennial, rhizomatous grass that grows 24 feet in height with bright yellowygreen foliage. It has become established in the southeastern united states within the last fifty years, with alabama, mississippi, and florida having extensive acreage of roadway and pasture infested with cogongrass. The grass blades tend to be yellow to green in color figure 1. The project tried to improve the farmers technology by searching for alternative grass species that is potentially superior than cogon imperata cylindrica and other dominant native species in the grass. Download here free vectors, stock photos and psd files of pampas grass. Georgia forestry commission forestmanagementforest.
While other species may look similar, cogongrass has a unique combination of characteristics that make field identification possible. Read the installation guide for grass gis binaries. Cogon grass imperata cylindrical is one of the most aggressive grasses world wide and spreads by an extensive rhizome system. Vegetative spread of cogon grass is aided by its tough and massive rhizomes that may remain dormant for. Key identification features of cogongrass cogongrass. When you have eliminated the javascript, whatever remains must be an empty page. Cogongrass biology, ecology and management in florida. Come browse our large digital warehouse of free sample essays. Roof made of dried leaves of the cogon grass in the countryside cogon grass picturesque cogon grass flowers at sunset.
Grass gis is a free geographic information system gis software used for geospatial data management and analysis, image processing, graphicsmaps production. Although not a sole identification feature, the grass also has an offcentered midrib on long leaf blades 15 feet. Imperata cylindrica ufifas center for aquatic and invasive. This field guide describes and illustrates these characteristics and compares them to other grass species common found in similar habitats. Cogongrass in pastures and haymeadows in louisiana a historical perspective. Imperata cylindrica is best identified in the spring by the large fuzzy panicle of flowers and seeds, giving the plant a cottony or silky look.
Vegetative spread of cogon grass is aided by its tough and massive rhizomes that may remain dormant for extended periods of time before sprouting. Cogongrass was first introduced into the united states near grand bay, alabama in 1911 via seed packing material in shipping containers from japan. Pdf potential of cogon grass imperata cylindrica as an. Cogongrass has a unique combination of characteristics that make field identification possible. The grass manual on the web treatment imcy the grass manual on the web illustration imcy the grass manual on the web map imcy usda forest service fire effects information system imcy usf atlas of florida vascular plants imcy. Ecological threat imperata cylindrica is an extremely aggressive invader with the capability of invading a range of sites. Identifying and controlling cogongrass in georgia control measures. The grass spreads through both rhizomes and seed production. Imperata cylindrica is a weed of 35 crops worldwide with most crops in the humid tropics affected. Cogon grass is listed as one of the 10 worst weeds in the world. For general information about cogongrass, download this ufifasedis publication, weeds in the sunshine. Economic analysis of the impact of cogongrass among. Key identification features of cogongrass flowerseed head. The grass manual on the web map imcy usda forest service fire effects information system imcy.
Cogon grass is considered to be one of the top ten worst weeds in the world. Imperata cylindrica is the most morphologically variable species in. Herbicide suggestions for small infestations of cogongrass in grazing areas. It can be found in virtually any ecosystem, especially those experiencing disturbance. Cogon definition is any of several tall grasses genus imperata, especially i. Cogongrass has been found growing on sand dunes in the southeast, along roadsides, mining sites, borrow pits, forests, open fields, and up to the edge of standing water. Jul, 2007 the feasibility of cogon grass imperata cylindrica as a substitute for cardboard food packaging was studied in this research project.
Cogon grass imperata cylindrica, an invasive, unwanted grass was used and evaluated for its applicability for the sorption of engine oil. Native to asia, cogon grass imperata cylindrica is common in the humid tropics and has spread to the warmer temperate zones worldwide. Imperata cylindrica is the most morphologically variable species in the genus imperata gabel, 1982. Cogongrass is an aggressive, rhizomatous, perennial grass that is distributed throughout the tropical and subtropical regions of the world. Imperata cylindrica commonly known as cogongrass k o. Cogon grass, imperata cylindrica, species of perennial grass in the family poaceae, native to temperate and tropical regions of the old world. The pulp was then subjected to five different treatments before it was made into a card board like material. The mississippi department of agriculture and commerce has assembled a task force of scientists, educators, government officials and agricultural leaders to recommend a comprehensive survey and control program for cogongrass imperata cylindrica before the invasive weed overtakes pastures, forestland, wildlife habitats and landscapes in the state. 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. It was introduced, accidently, into alabama in 1911 as seed in packing materials from japan.
Cogon is a barangay in the city of tagbilaran, in the province of bohol, philippines. For the changelogs, see the respective source code directories. Cogongrass usually invades open areas like golf courses, roadsides, pastures, and natural areas where it displaces native plant species. Pdf cogon grass as an alternative fibre for pulp and paper. Georgia forestry commission forestmanagementforesthealth. This map is incomplete and is based only on current site and county level reports made by. Pdf cogon grass as an alternative fibre for pulp and. Cogongrass mississippi department of agriculture and.
Cogon grass red baron imperata cylindrica red baron at the best price buy online, any size available, unit offer or by quantity, fast delivery from our nurseries. The birth of the vetiver networkphilippines was very significant in the promotion of the technology in the philippines. Cogongrass imperata cylindrica biology, ecology, and. Get the knowledge you need in order to pass your classes and more.
Cogongrass resources national invasive species information center. Map displaying county level distribution of cogongrass in the us, projected distribution based on bioclimatic envelope modeling from bradley et al. Millions of hectares of farmland are abandoned because of i. Cogongrass is a good example of how nonnative plants can take over the landscape, disrupt our fragile ecosystem and take years to eradicate. The rhizomes have barbs that can actually penetrate roots of surrounding plants. View more information and pictures about cogongrass, as contained in the langelandburks book. This study adds observational detail to growth of cogon grass rhizomes and provides for a mechanism by which cogon grass is able to perforate other species of plants. Cogongrass reproduces both vegetatively and from seed. It forms dense, usually circular infestations that exclude all other vegetation.
Cogon grass reproduces asexually by rhizomes and sexually by seeds hubbard et al. A perennial grass native chiefly to southeast asia and africa that is used for thatching and is widespread as a weed in warm regions. The university of georgia center for invasive species and ecosystem health. Garmin gps 72 units are used points are downloaded to arc map 9. Cogon grass cardboard food packaging investigatory project.
Cogongrass imperata cylindrica invasions in the us. Listed as one of the worlds ten worst weeds, cogongrass is an invasive perennial grass. These concentrations are good for mixing in small 330 gallon sprayers. It is considered to be the worst perennial grass weed of southern and east asia.
The feasibility of cogon grass imperata cylindrica as an economical and environment friendly substitute for carboard, food packaging, for souvenirs, etc source. Located centrally in the city, cogon overlooks tagbilaran bay to the west, to the south it is bounded by poblacion 2, to the east by dampas and dao and to the north by booy. Cogongrass was first introduced into the united states near grand bay, alabama in 1911 via seed packing material in shipping containers. Carrying out this urgent task requires adoption of the vgt in a national scale. Scenic cogon grass bug and cogon grass water drops on thatched roof. This species is widespread in florida, alabama and mississippi and is starting to spread in georgia, south carolina and tennessee. Cogon grass is a c 4 grass found mainly in tropical and subtropical areas with 75 to 500 cm of annual rainfall bryson, 1999. High altitude barren highlands of the andes, among the most important travel destination in bolivia. Please cite grass when using the software in your work. It has also been introduced to latin america, the caribbean, and the southeastern united states. Other than dried and ground for smaller size, no notable.