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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The racemes are lined with pairs of spikelets, the red-haired fertile spikelets without stalks and the smaller sterile spikelets on stalks. Adding molasses to the leaves increased the leaf intake from 0. Risk and Impact Factors Top of page Invasiveness Proved invasive outside its native range Has a broad native range Abundant in its native range Highly adaptable hyparrheenia 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.

These restrictions may prevent the use of one or more of the methods referred to, depending on individual circumstances.

Oxalic acid Jaragua grass was reported to contain 0. Fresh jaragua grass protein 5.

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Jaragua grass grows best on black clay soils and latosols. In Costa Rica, the protein content declined from 6. It is also tolerant of drought and easily naturalizes in disturbed habitat sites. A searchable catalogue of grass and forage legumes. Williams DG; Baruch Z, Veterinarski Arhiv, 76 1: Native to Africa i.

Trinidad67 1: Effect of sugar cane feeding on the age at first service in a seasonally calving beef herd. Oceania Australia Present Present based on regional distribution.

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.

Summary of Invasiveness Top of page H. No information on jaragua grass utilization in rabbit feeding is available from literature.

jaraguagrass: Hyparrhenia rufa (Cyperales: Poaceae): Invasive Plant Atlas of the United States

In its native range the grass grows in woodlands and seasonally rura grasslands. Views Read Edit View history. The rough-haired seeds are dispersed in the fur of animals, [8] on the wind, and on vehicles and machinery such as graders. Sheldon Navie infestation late in the dry season Photo: National Plant Data Center. Uses Top of page H. This grass has been intentionally hpyarrhenia repeatedly in tropical and subtropical regions to be used as a fodder, forage, hay, and silage crop FAO, Habitat Top of page In Africa, within its native range, H.

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Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

Nutritive value of conserved forages. In Africa, within its native range, H. Jaragua Hyparrhenia rufaaerial part, fresh Jaragua Hyparrhenia rufaaerial part, silage Jaragua Hyparrhenia rufahay. Sheldon Navie stems and older leaves Photo: In Brazil, the percentage of jaragua grass in the botanical composition of natural tropical pastures varies according fufa the season.

Hyparrhenia rufa

Cereal and grass forages Forage plants. For both treatments, because hyparrheniw persist in the ground, follow-up controls are necessary. It is not a very nutritious grass, so it is generally supplemented with legumes for nitrogen and molassescitrus pulpor bran for energy.

Cattle In Brazil, the percentage of jaragua grass in the botanical composition of natural tropical pastures varies according to the season.