HYPARRHENIA RUFA PDF

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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Jaragua is mainly found in seasonally flooded areas, open woodlands, disturbed areas, cultivated fields and under trees or on termite mounds. The rough-haired seeds are dispersed in the fur of animals, [8] on the wind, and on vehicles and machinery such as graders. Click on images to enlarge. CAB International, pp. This grass has been ruufa introduced repeatedly in tropical and subtropical regions to be used as a fodder, forage, hay, and silage crop FAO, References Jardim et al.

Outside its native range, it is naturalized in grassland, savanna, dry forest, disturbed sites and in cultivated fields from sea-level up to m FAO, Notes on Taxonomy and Nomenclature Top of page Poaceae is one of the largest families in the Angiosperms including ruta genera and over 11, species widely distributed in all regions of the world Stevens, Adding molasses to the leaves increased the leaf intake from 0. When breeding beef cows, of various breeds, were managed on poor jaragua pasture, the age at first calving and the calving interval were high with and days respectively.

Several of the common names for this species reflect its use in thatching. Fufa from tropical grasses. Native to Africa i. Sheldon Navie stems and older leaves Photo: Invasive species threats in the Caribbean region.

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Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Wikimedia Commons has media related to Hyparrhenia rufa. References Abaunza et al. Today this species occurs as a weed in most tropical regions. A searchable catalogue of grass and forage legumes. It can withstand waterlogging and temporary flooding Quattrocchi, Description Top of page H.

Diet selected by steers on a natural pasture in Vicosa, Brazil. These treatments increased the crude protein content from 3. This tall grass can be used as thatchingas strawand as pulp for making paper.

Hyparrhenia rufa (Jaragua grass)

Flora of North America. Risk and Impact Factors Top of page Invasiveness Proved invasive outside its native range Has a hyparrheina native range Abundant in its native range Highly adaptable to different environments Is a habitat generalist Tolerates, or benefits from, cultivation, browsing pressure, mutilation, fire etc Pioneering in disturbed areas Benefits from human association i.

Survey of the mineral status of pastures and small ruminants in the West Region of Cameroon. Promoting intake hyparthenia Cratylia argentea as a dry season supplement for cattle grazing Hyparrhenia rufa in the subhumid tropics. Supplementing poor quality jaragua grass pasture protein 2. Manual of the flowering plants of Hawaii. Taxonomic Tree Top of page Domain: It cannot withstand frost but can regrow after burning FAO, While every care is taken to ensure the accuracy of this information, DEEDI does not invite reliance upon it, nor accept responsibility for any loss yhparrhenia damage caused by actions based on it.

Effect of copper, cobalt and zinc supplementation on liveweight gain of Nellore heifers in the Peruvian tropics. Not only does the grass make wildfire events more severe, but it increases in response to fire. Dairy cows Supplementing poor quality jaragua hay with 1.

Ruf need the entire report?

Its nutritive value hyparrehnia with the addition of ammonia or urea Oliveira et al. The seeds are also able to disperse on the wind after fires and germinate well in these conditions Starr et al.

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Hyparrhenia rufa

It cannot withstand frost but can regrow after burning FAO, This leads to a destructive cycle, eventually replacing the native savannas and woodlands with an tufa grassland. Hay Jaragua hay protein 4.

It is found from sea level up to an altitude of m in Colombia Ecocrop, Thatch grass Hyparrhenia rufa subsp. Prevention and Control Top of page Small plants may be dug hyparrhenai by hand. Jaragua Hyparrhenia rufaaerial fufa, silage. Dry matter yields can range between 4. 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.

Jaragua Hyparrhenia rufaaerial part, fresh. Inflorescences large, paniculate, with numerous branches, the branches lax or contracted, fasciculate, cm long, spathes linear-lanceolate, becoming reddish and rolled around the peduncle, cm long, sparsely to densely long-pilose, hyparghenia dull yellow, sometimes red-tinged, 1. A Reference Guide to Environmental Weeds. It is now starting to colonise adjacent pasture paddocks and is considered to pose a significant threat to rangeland biodiversity in northern Australia.

Synonyms [1] [2] Andropogon altissimus Andropogon bonangensis Andropogon bouangensis Andropogon fulvicomus Rufq hirtus Andropogon rufus Andropogon xanthoblepharis Andropogon yinduensis Cymbopogon rufus Hyparrhenia altissima Hyparrhenia fulvicoma Hyparrhenia parvispiculata Hyparrhenia yunnanensis Sorghum rufum Sorghum xanthoblepharis Trachypogon rufus. Fresh jaragua grass protein 5. Rio de Janeiro, Brazil: