jaraguagrass, USDA PLANTS Symbol: HYRU2 U.S. Nativity: Exotic Habit: Grass or Grasslike. Hyparrhenia rufa (Nees) Stapf. H. rufa is a tall perennial grass widely naturalized in tropical and subtropical regions of the world where it has been intentionally introduced. The plant is often gathered from the wild for local use in thatching and weaving, whilst it is also widely cultivated through many areas of the tropics as a drought.

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Pasturas Tropicales, 24 2: The distribution in this summary table is based on all the information available.

Hyparrhenia rufa

This grass is a pyrophytewell adapted to habitat with an annual wildfire cycle. Habitat Top of hyparrjenia In Africa, within its native range, H. It is now starting to colonise adjacent pasture paddocks and is considered to pose a significant threat to rangeland biodiversity in northern Australia. It was first recorded as naturalized in Hawaii in Wagner et al.

Fresh jaragua grass protein 5. Cell wall contents, buffer capacity and urease activity. Effect of level of Leucaena leucocephala in the hhyparrhenia on feed intake, growth and feed efficiency of Yankasa rams.

Hyparrhenia rufa – Wikipedia

Effect of copper, cobalt and zinc supplementation on liveweight gain of Nellore heifers in the Peruvian tropics. Plant and animal families Plant and animal species. Jaragua grass was rfa to contain 0. The name of this genus is derived from the Greek word, hypomeaning under, and arrhenmeaning male, in reference to the presence of pairs of staminate spikelets at the base of the raceme in species of this genus Wagner et al.


Datasheet Description Click on the “Nutritional aspects” tab for recommendations for ruminants, pigs, poultry, rabbits, horses, fish and crustaceans.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Manual of the flowering plants of Hawaii. Articles with ‘species’ microformats Commons category link from Wikidata Taxonbars with 20—24 taxon Hypaerhenia. This leads to a destructive cycle, eventually replacing the native savannas and woodlands with an exotic grassland. Jaragua grass can make good fodder: The culms are coarse, mm in diameter Clayton et al.

In other projects Wikimedia Commons Wikispecies. It is also planted for hay and as a silage grass, and can be used for thatching, straw, and as pulp for making paper FAO, Environmental Impact Top of page H.

Oxalate content of some commonly grazed pasture forages of Lango and Acholi Districts of Uganda. Dry season growth of zebu criollo steers with limited access to leucaena. It is used for grazing and for hay and silage FAO, Reclamation and management of pastures of Jaragua grass Hyparrhenia rufa in Rondonia, Brazil. Please consider upgrading your browser to the latest version or installing a new browser.

Supplementing poor quality jaragua grass pasture protein 2. Prevention and Control Top of page Small plants may be dug out by hand. References Jardim et al. Several species of leafcutter ants have been observed foraging on jaragua, including Atta capiguara and A. Nutritive value of mature Jaragua grass hay treated with sodium hydroxide or ammonia.

Jaragua grass is a fast-growing grass that grows from spring to autumn Ecocrop, Effects of Trypanosoma congolense infection and groundnut Arachis hypogaea hay supplementation on ranging, activity, and diet selection of N’Dama cows.

Check our website at www. CAB International, pp. Poaceae is one of the largest families in the Angiosperms including around genera and over 11, species widely distributed in all regions of the world Stevens, In Costa Rica, the protein content declined from 6.


Retrieved 21 January Sheldon Navie stems and younger leaves Photo: Jaragua Hyparrhenia rufaaerial hyparrhenja, fresh. Jaragua Hyparrhenia rufaaerial part, fresh Jaragua Hyparrhenia rufaaerial part, silage Jaragua Hyparrhenia rufahay.

Click on images to enlarge. These treatments increased the crude protein content from 3. Hyparrhenia rufa Nees Stapf [ Poaceae ]. National list of invasive and potentially invasive plants in the Republic of Cuba – When jaragua grass escapes from cultivated hyparrhenja, it is very competitive and can be a threat to the biological diversity in disturbed areas. Nevertheless, because it could be used without any problem in ruminant feeding, and in relation with its very low protein and high fibre contents, fresh jaragua grass or jaragua hay may be considered as a fibre source in rabbit feeding, with a value comparable to wheat or barley straw on a dry matter basis.

Sheldon Navie stems and older leaves Photo: Dry matter yields can range between 4. Plant Resources of Tropical Africa.

New Ruga Reports 24 National Plant Data Center. Survey of the mineral status of pastures and small ruminants in the West Region of Cameroon. It forms dense monospecific stands displacing native grasses and forbs, preventing the establishment of other species and transforming native savannas and forests into species-pure stands Weber, A Reference Guide to Environmental Weeds.