Plant may be tall if ungrazed, or forming a dense carpet in mown lawns, as seen here. Introduced in mediterranean region, caucasus, western asia, indian peninsula, china, japan, korea, southeast asia, most of africa, north america, central america, caribbean, south america northwest. Paspalum dilatatum is a perennial grass native to south america that has been introduced into tropical and subtropical areas as a forage speciesfodder. Fact sheets are available from department of employment, economic development and innovation deedi service centres and our customer service centre telephone 25 23. Paspalum paspalum dilatatum is regarded as an environmental weed in queensland, new south wales, victoria, western australia and south australia. Dallis grass paspalum dilatatum is a warm season introduced grass that invades lawns and coastal bermuda fields in central texas. An illustrated flora of the northern united states, canada and the british possessions. As a general rule, the longer dallisgrass has been established, the more difficult it will be to control.
Paspalum species, dallis grass, dallisgrass, sticky heads. Dallisgrass toxic components dallisgrass seedheads. French polynesia society islands tahiti island fosberg, f. It is highly tolerant of various environmental stresses.
Leaves are blueygreen and the seed spikes are usually seen in late summer. This weed is mainly a problem in turf, as it forms unsightly clumps in lawns which are difficult to remove selectively. It is thus hard to harvest, and viability is often low. Risk assessment codes in yellow or red indicate cause for concern. Rhizomatous, tufted perennial, grasslike or herb, 0. Paspalum dilatatum definition of paspalum dilatatum by the. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 431483 with original publication details. Plants are more vigorous in moist, fertile soils or locations receiving good rainfall over warmer months muyt.
Control of dallis grass with pastora when mixed with common. Seed heads infected by ergot can affect stock health. Paspalum dilatatum is a species of grass known by the common name dallisgrass. Seed production is also affected by ergot infection. The staggers syndrome occurs predominantly in cattle. This page was last edited on 19 january 2015, at 10. It is very drought tolerant and can survive well on rocky, shallow sites and low fertility, light texutured soils where even bermudagrass grows poorly. The roots can descend as much as 120cm into the soil. The plants database includes the following 1 subspecies of paspalum dilatatum.
Gene discovery and molecular marker development, based on. In the tropics, seed is dried slowly in the shade to preserve its viability. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. Paspalum seeds freely, but the seed ripens from the tip of the racemes downwards and shatters as soon as it is ripe. Paspalum dilatatum dallisgrass paspalum dispar mosquito crowngrass paspalum dissectum mudbank crowngrass paspalum distichum knotgrass paspalum fasciculatum mexican. Paspalum, dallis grass paspalum dilatatum is naturalized in texas and other states and is considered an invasive plant in texas. It has been introduced to tropical, subtropical and temperate regions worldwide for its use as pasture grass and for golf courses. Jul 20, 2005 paspalum species, dallis grass, dallisgrass, sticky heads paspalum dilatatum by htop jul 20, 2005 10. Although dallis grass has a good grazing value and is given a fair wildlife value this grass becomes a weed when it invades coastal bermuda fields. Introduced in mediterranean region, caucasus, western asia, indian peninsula, china, japan, korea, southeast asia, most of africa, north america, central america, caribbean, south. It is native to brazil and argentina, but it is known throughout the world as an introduced species and at times a common weed. Handharvested, slowdried seed of paspalum atratum shows normal rates of deterioration under normal storage, but combineharvested andor rapidly dried seed has a relatively short shelf life.
Inflorescence composed of 23511 racemes borne along a common axis 220 cm. Dallisgrass, paspalum dilatatum, is a tufted perennial grass that was in troduced into the united states from. Click below on a thumbnail map or name for subspecies profiles. Paspalum dilatatum is a species of grass known by the common name dallisgrass, dallas grass. Managing grassy weeds in a grass pasture or hay meadow. Grows mainly in spring and summer and is suited to fertile soils.
It has relatively large flower spikelets 34 mm long with long silky hairs on their margins and its seedheads usually only have 37 branches i. Pdf a phylogenetic analysis of the genus paspalum poaceae. It is reported as invasive in japan, malaysia, taiwan, vietnam, indonesia, philippines, hawaii, american samoa, australia, fiji, french polynesia, new caledonia, new zealand, niue, norfolk. Paspalum is winter dormant, but is agressive in summer and autumn and often displaces other species. Paspalum is a grass weed which has very short stout rhizomes, which join plants together to form dense clumps. Burson bl 1983 phylogenetic investigation of paspalum dilatatum. Pdf ergot resistance in plants of paspalum dilatatum incorporated. As a general rule, the longer dallisgrass has been established, the. Paspalum dilatatum dallisgrass paspalum dispar mosquito crowngrass paspalum dissectum mudbank crowngrass paspalum distichum knotgrass. General information about paspalum dilatatum pasdi south america central zone. It is reported as invasive in japan, malaysia, taiwan, vietnam, indonesia, philippines, hawaii, american samoa, australia, fiji, french polynesia, new caledonia, new zealand, niue, norfolk island, solomon islands and the minor outlying islands. Paspalum species, dallis grass, dallisgrass, sticky heads paspalum dilatatum by htop jul 20, 2005 10.
Click below on a thumbnail map or name for species profiles. The following specific use information is based on published papers and reports by researchers and land managers. White clover, strawberry clover and lotus are the main companion. Culms robust, forming a dense tussock, erect, 12 m tall. Oregon seed certification service certification standards. Check other web resources for paspalum dilatatum poir.
Ruminants paspalum dilatatum is a valuable forage due to its vigour, persistence and ability to withstand heavy grazing and trampling cook et al. Dallisgrass forms loose bunches that grow from prostrate with erect tips to completely erect. Effects of flooding and drought on the anatomy of paspalum dilatatum. Paspalum paspalum dilatatum vro agriculture victoria. Files are available under licenses specified on their description page. Pdf with about 350 species, paspalum is one of the richest genera within the poaceae. Bahia grass paspalum notatum is regarded as an environmental weed in queensland, and as a potential environmental weed in other parts of australia. Bahiagrass paspalum notatum bahiagrass is a warmseason c 4 perennial grass grown primarily for pasture, but it may also be used for hay. Paspalum dilatatum tall tufted perennial tropical american grass naturalized as pasture and forage grass in southern united states dallis grass. Tropical grasses chloris gayana, paspalum dilatatum, and paspalum notatum download download pdf.
Paspalum dilatatum is a clumpforming, perennial grass with clustered stems arising from very short, creeping rhizomes. Manual of the grasses of the united states, volume 2. Paspalum dilatatum is a species of grass known by the common name dallisgrass, dallas grass, or sticky heads. Fasta file of generated contigs from the assembly process. Paspalum dilatatum pasdioverview eppo global database. For further details see section ivc general standards of the oscs handbook.
Dallisgrass paspalum dilatatum is arguably one of the most difficulttocontrol turfgrass weeds in tennessee. Manual of the grasses of the united states, 2nd ed200, 1051 pp. I have used dry amonium nitrate directly on the plant to kill it. Paspalum moluccanum huber paspalum ovatum nees ex trin. Its rapid growth and spreading rhizomes make it an invasive pest in some areas. Multiple herbicide applications, over a twoyear period, are required to provide adequate control.
Dallisgrass paspalum dilatatum control with thiencarbazone. The plants database includes the following 85 species of paspalum. Grazing p prescribed burning p mowing and cutting p tillage g for seedlings grubbing, digging or hand pulling f. Brief description grazyna paczkowska, wednesday 1 december 1993. Paspalum dilatatum synonyms, paspalum dilatatum pronunciation, paspalum dilatatum translation, english dictionary definition of paspalum dilatatum. Paspalum dilatatum french polynesia society islands raiatea havai island national tropical botanical garden u. Paspalum dilatatum is a perennial grass native to south america that has been introduced into tropical and subtropical areas as a forage. Crabgrass is a warmseason annual grass that is commonly found in pastures and hay meadows in. The stems are erect to ascending, growing 30 180cm tall and producing new roots at the nodes when in contact with the soil. Clinical signs usually appear 2 to 7 days after grazing on infected grass and include. Paspalum dilatatum pastures should be inspected for ergot infected seed heads before the introduction of animals cawdellsmith et al. Media in category paspalum dilatatumthe following 72 files are in this category, out of 72 total. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Chloris gayana, paspalum dilatatum, and paspalum notatum. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Pdf evolutionary patterns in the dilatata group paspalum. Widely used in irrigated pastures and common in both rural and urban settings in areas where annual rainfall exceeds 500 mm muyt 2001. Dallisgrass paspalum dilatatum is a leafy, tufted, moderatelysized perennial grass that is native to south america.
Paspalum dilatatum a tough perennial grass growing out from a central base or crown that is very difficult to pull out by hand when mature. Paspalum dilatatum occupies different topographic positions in the flooding pampa, argentina. Pdf interspecific hybridisation and backcrossing were used in an attempt to transfer the ergot resistance of paspalum urvillei vaseygrass into a. This is a native of south america related to paspalum dilatatum and likewise introduced widely in the tropics as a forage grass and weed. Usdanrcs database of plants of the united states and its territories. Bonap north american plant atlas of the biota of north america program.
17 1317 85 866 155 666 335 1536 857 1015 580 1674 91 778 721 365 752 1348 1060 1170 194 324 1686 1665 93 598 1014 1125 457 1143 1486 720 512 35 302 1107 196 232