Hackel 1889 divides the genus into two sections on the basis of the number of stamens in the flower. It has also been introduced to latin america, the caribbean, and the southeastern united states. Biological control of cogongrass, imperata cylindrica l. Bioactivityguided fractionation of the methanolic extract of the rhizomes of imperata cylindrica afforded a new compound, 5hydroxy22phenylethylchromone 1, together with three known compounds, 5hydroxy222hydroxyphenylethylchromone 2, flidersiachromone 3, and 5hydroxy2styrylchromone 4. Antimicrobial imperata cylindrica paper coated with.
Imperata cylindrica extract was effective only at 10 and 20 mgml. Antiypertensive action of ethanolic extract of imperata cylindrica leaves in animal models. Slow pyrolysis of imperata cylindrica in a fixed bed reactor. It therefore seems likely that free range cattle grazing on. Acute and subchronic toxicity study of the water extract from. Therefore, it has become a potential source of natural long fibers. Survival and growth of 83 tree species were tested in three separate species elimination trials on imperata cylindrica dominated grassland in south kalimantan, indonesia.
The study of the elemental distribution of metals in the plant body confirmed that i. Discussion gcms analysis of the underground parts of i. Keragaman genetik alangalang imperata cylindrica l. Journal of the science of food and agriculture j sci food agric 80. Eksplorasi dan karakterisasi bakteri agens hayati dari. Lalchhandama 1department of life sciences zoology, pachhunga university college, mizoram university, aizawl 796001, mizoram, india research article cogon grass, imperata cylindrica received 19 september 2018l.
Cogon grass imperata cylindrica, a potential biomass. Oral administration of cogongrass imperata cylindrica l root. To date, 72 chemical constituents have been isolated and identified from i. Imperata cylindrica is mostly used in pasture for ruminants. Weed competition is a major constraint in all the rice production systems in africa. Rauschel family poaceae is a perennial grass known in. Raeuschel with particular reference to south east asia. Imperata cylindrica alangalang repository uin suska. Some phytochemical analyses of different extracts of the. Oral administration of cogongrass imperata cylindrica l root ethanol extract causes mouse epididymal sperm.
Suppression of cogongrass imperata cylindrica by a. In addition to the costs of weed control, weeds account for yield losses estimated to be at least 2. Pygcms analysis revealed abundant furanic compounds, guaiacyl lignin, phydroxyphenyl lignin. Suppression of cogongrass imperata cylindrica by a bioherbicidal fungus and plant competition volume 52 issue 4. Qualitative analysis carried out on each plant shows that tannins, saponins, flavonoids, terpenoids and alkaloids were present in all the plants. Chemical profiling, antibacterial and antiparasitic studies. Role of antidesma ghaesembilla gaertn in enriching the.
Di beberapa negara, spesies ini tumbuh pada ketinggian dari batas permukaan air laut hingga 2000 m, dan tercatat tumbuh pada ketinggian hingga 2700 m dpl di indonesia. Paper open access degradation of methylene blue using. The extract at a single dose of 5,000 mgkg was administered orally to female and male rats 5 male, 5 female. Thus based solely on the composition of the plant matter, it may be safe to assume that it is naturally an excellent moisturizer and hydrator. Bacon, ps 1988 new developments in the control of imperata cylindrica l. Alangalang imperata cylindrica merupakan tanaman herba, rumput, merayap di bawah tanah, batang tegak membentuk satu perbungaan. Neuroprotective 22phenylethylchromones of imperata. International journal of pharmaceutical sciences and drug research 2012.
Control of speargrass imperata cylindrica l raeuschel. Malaysia, imperata cylindrica was used as renewable materials to obtain cellulosic pulps to produce paper and hence preventing the environmental problems. We have analyzed and characterized the iron minerals found in the tissues of imperata cylindrica growing on the banks of the tinto river iberian pyritic belt. Speargrass imperata cylindrica l raeuschel is the most widespread perennial weed in soybeanproducing areas savanna, derived savanna and forest of. Evaluating hybridization as a potential facilitator of successful cogongrass imperata cylindrica invasion in florida, usa. White root disease caused by rigidoporus microporus is an important disease in rubber plantation.
Antimicrobial imperata cylindrica paper coated with anionic. The pattern of invasion of native imperata cylindrica swards by eupatorium in the highlands of northern thailand was. Paper open access degradation of methylene blue using silver. T avav, department of crop production, university of agriculture, pmb 2373, makurdi. As the taxa can hybridize to produce fertile seed, hall 1998. Imperatella has two stamens and contains a single species, i. A series of extracts of the underground rhizomeroot parts was prepared by hot ex. Studi literatur untuk memperoleh dasar ilmiah penggunaan akar. Response of twelve florida cogongrass imperata cylindrica. Evaluation of reforestation potential of 83 tree species. Cogongrass imperata cylindrica, an invasive grass species native to asia, has been shown to reduce tree vigor in loblolly pine pinus taeda plantations, which comprise more than 50% of growing stock in commercial forests of the united.
Imperata cylindrica, an upright rhizomatous grass with no obvious stem, is widespread throughout the tropics and subtropics and it is estimated that approximately 200 million of the 500. Imperata cylindrica alangalang, karena kandungan flavonoidnya yang. A freeze dried 70% ethanolic extract was prepared and increasing concentrations from 10 to 320 mgml were administered in vivo to anaesthetized cats and in vitro to rabbit jejunum. At the age of two years exotics, like several acacia species a.
From gas chromatographymass spectrometry gc, the chemical components present in the ms liquid oil from pyrolysis of. International journal of pest management, 45 4 305311. The journal of range management archives are made available by the society for range management and the university of arizona libraries. Woody shrubs as a barrier to invasion by cogongrass imperata. Antibacterial activity of aerial parts of imperata cylindrica l. Download this pdf file jurnal teknologi kimia unimal. Adrenaline and phentolamine were used as control drugs. The cogongrass variety red baron or japanese blood grass imperata cylindrica var. Our results indicated a possible allelopathic effect, although it varied by species.
Neuroprotective 22phenylethylchromones of imperata cylindrica. This pathogen causes damage to roots, thus adversely affect plant growth and productivity of rubber plantation. Cogon grass, imperata cylindrica received 19 september 2018l. The trial layout was randomized complete blocks design with 68 replications of 5tree line plots. In surveys conducted in the coastalderived savanna benin and nigeria and southern guinea savanna ivory coast in africa some farmers indicated that i. Imperata cylindrica alangalang sering ditemukan pada tempattempat yang menerima curah hujan lebih dari mm, atau pada kisaran sebesar 5005000 mm. Avav 2000 control of speargrass imperata cylindrica with glycophosphate and fluazifop butyl for soybean glycine max production in savanna zone of nigeria. Uji toksisitas dan sifat alelopati ekstrak alangalang imperata cylindrica. May 04, 2017 asia pacific journal of multidisciplinary research vol. This work aimed to evaluate a mild alkali pretreatment effect on the imperata recalcitrant structure. Seed ecology ofstriga hermonthica in the republic of benin.
Allelopathic exudates of cogongrass imperata cylindrica. Acute and subchronic toxicity study of the water extract. Imperata cylindrical l dan yang digunakan adalah rimpangnya. Internal iron biomineralization in imperata cylindrica, a. Plant pathology imperata cylindrica cogongrass, speargrass is a noxious, rhizomatous grass with a pantropical distribution. Imperata cylindrica commonly known as cogongrass k o. This work was carried out to determine antihypertensive effect of ethanolic extract of imperata cylindrical leaves using cat and rabbit models. It has tough, branched and rhizomatous roots that explore soil layers. Imperata cylindrica is being considered as a biomass candidate for bioethanol.
A ruderal grass andropogon arctatus and ericaceous shrub lyonia ferruginea were unaffected by irrigation with cogongrass soil. Journal of medicinal plants research antiypertensive action. Hibiscus rosasinensis, imperata cylindrica, and moringa oleifera. Cgg is a herbal medicine that has been traditionally used to treat urinary tract infections and intestinal disorders, such as dysentery and diarrhea, myalgia. Join the cogongrass eradication team in georgia and be a part of. We conducted a greenhouse study to assess the effects of cogongrass imperata cylindrica rhizochemicals on a suite of plants native to southeastern us pine savanna ecosystems. Abs imperata cylindrica extract pf efficacy according to the karl fischer method, abs imperata cylindrica extract pf is composed of 6575% water. Asia pacific journal of multidisciplinary research vol. Imperata cylindrica an overview sciencedirect topics. Woody shrubs as a barrier to invasion by cogongrass imperata cylindrica volume 4 issue 2. Imperata cylindrica global invasive species database gisd. Cogongrass infestations are being found primarily in south georgia but is capable of growing throughout the state. Pdf sumber selulosa yang murah dan melimpah dapat diperoleh dari gulma alangalang imperata cylindrica l.
Imperata cylindrica is a medicinal plant native to southwestern asia and the tropical and. Abstract the rate of dry matter production after the annual prewet season burning, the rate of regrowth after cutting at three times during the year and the nitrogen content, phosphorus content and in vitro digestibility of imperata cylindrica were studied in highlands of north thailand over a oneyear period. Among these four compounds, 1 and 2 showed significant neuroprotective activity. Journal of medicinal plants research antiypertensive. Imperata cylindrica is a medicinal plant native to southwestern asia and the tropical and subtropical zones. Pengaruh kompetisi alangalang imperata cylindrica l. Komlaga2 1department of biochemistry and biotechnology, kwame nkrumah university of science and technology knust, kumasi, ghana. Native to asia, cogon grass imperata cylindrica is common in the. The productivity and nutritive value of imperata cylindrica. Chemical profiling, antibacterial and antiparasitic. Extract leaf to viability and early growth of madura 1 and madua 3 variety. Evaluating hybridization as a potential facilitator of. The plant selected for the present study imperata cylindrica l. Technical data sheet abs imperata cylindrica extract pf.
This rhizomatous system can reach depths of more than 50 cm 1 and represents at least 60% of the total plant biomass 2. Imperata cylindrica at mokwa 09o 18n and 05o 04e during 2009 and 2010 cropping seasons to evaluate the effects of rice husk, hoe weeding and glyphosate application in the management of spear grass imperata cylindrica on maize zea mays l. Eriopogon has one stamen and contains the other seven species, namely i. Dec 23, 2019 exploration and characterization of biological agents bacteria from imperata cylindrica for controlling rigidoporus microporus. Abstract the pattern of invasion of native imperata cylindrica swards by eupatorium in the highlands of northern thailand was studied by the technique of comparing invasion at different sites of known history. Ecotypic variation of imperata cylindrica populations in taiwan.
Cogongrass national invasive species information center. Thetreatments comprisedfour levels of glyphosate, 1. The leaves are 4090 cm long and 2 cm wide, growing grouped at the nodes of the rhizome. Mar 01, 2016 read cogon grass imperata cylindrica, a potential biomass candidate for bioethanol. Rauschel, was studied for its flavonoid and phenol con tents. Production of dihaploids in durum wheat using imperata. Imperata is largely considered to be an undesirable species due to its inflammability and poor nutritional quality and has therefore been the subject of only limited research. Characterisation and pygcms analysis of imperata cylindrica. Herbicides and mechanical control of imperata cylindrica as a first. Biological control of imperata cylindrica in west africa. It is ranked as one of the top 10 invasive weeds in the world.
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