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Ryegrass - Wikipedia, the free encyclopedia Ryegrass (Lolium) is a genus of nine species of tufted grasses, family Poaceae. Ryegrass should not be confused with Rye, which is a grain crop. Ryegrasses contain some species which are important grasses for both lawns and as pasture and hay for livestock, being a highly nutritious stock feed. en.wikipedia.org /wiki/Ryegrass   (192 words)

Alfredo Villalta - UF Journal of Undergraduate Research Paper The two cool-season turfgrasses, perennial rye grass (Lolium perenne) and Poa (Poa trivialis), are used in Florida as overseed turfgrasses in winter to maintain green space on golf courses, sports fields, and lawns. Lolium perenne, Trial 1: Average Disease Severity Based on Percentage of Foliage Infected (Mean of 6 Replicates). Lolium perenne, Trial 2: Average Disease Severity Based on Percentage of Foliage Infected (Mean of 12 Replicates). www.clas.ufl.edu /jur/200208/papers/paper_villalta.html   (1712 words)

Allergies - LOLIUM PERENNE Allergenic fragments of ryegrass (Lolium perenne) pollen allergen... Perennial ryegrass (Lolium perenne L.) is a key pasture grass in temperate... Narok at Samford, Grafton and Taree; Lolium perenne cv. danger.mongabay.com /allergens/allergenic/LOLIUM_PERENNE.html   (522 words)

[No title] Lolium used to be included in the Triticeae, but evidence from genetics, morphology, and other studies show a close relationship to three former Festuca species included here in Schedonorus. Lolium perenne, a Eurasian species, is now established in disturbed areas throughout much of the Flora region. Lolium persicum, a native of southwest Asia, has been found as a weed in grain fields and waste places in southern Canada, Montana, North Dakota, and Wyoming and, as an adventive, in New York and Missouri. herbarium.usu.edu /treatments/Lolium.htm   (1458 words)

Cover Crop Database: Complete Crop Summary of Perennial Ryegrass Lolium multiflorum and Lolium perenne are not so winter hardy as timothy or orchardgrass (Miller, 1984). Lolium multiflorum and Lolium perenne are tolerant of a wide range of soils and climates, do better than small grains on wet soils, but perform best on well-drained soils (Miller, 1984). Lolium multiflorum and Lolium perenne will grow on sandy soils if they are well fertilized but do better on heavier clay or silty soils with adequate drainage (Miller, 1984). www.sarep.ucdavis.edu /cgi-bin/ccrop.EXE/show_crop_29   (3371 words)

loliumperenne Regrowth of prairie grass (Bromus willdenowii Kunth) and perennial ryegrass (Lolium perenne L.) in response to temperature and defoliation. Fructan biosynthesis in Lolium perenne: Appraisal of soluble and insoluble enzymatic pathways. Nitrogen assimilation in Lolium perenne colonized by the arbuscular mycorrhizal fungus Glomus fasciculatum. www.newcrops.uq.edu.au /listing/loliumperenne.htm   (12850 words)

Breeeding Ryegrass for Bioenergy, Germany, Production Lolium perenne and Festuca arundinacea are grass species well adapted to Central European conditions. For the project the Genus Lolium, with the species perennial ryegrass (Lolium perenne L.), Italian ryegrass (Lolium multiflorum Lam.) and annual ryegrass (Lolium multiflorum ssp. The yield reduction under low N regime was only 5.8 % while it was 12.9 % for L. perenne and 11.4 % for L. multiflorum in that year. www.eeci.net /archive/biobase/B10435.html   (808 words)

AllRefer - Species: Perennial Ryegrass | Lolium perenne > Species: [20090] It is closely related to the genus Festuca; numerous natural hybrids between ryegrasses and European species of Festuca have been reported [16]. perenne) as separate species due to distinct structural characteristics, even though annual ryegrass was derived artificially from perennial ryegrass and they readily hybridize [14,16]. Common ryegrass (Lolium spp.) is a commercial mixture of ryegrass species which is mostly annual ryegrass but usually contains a substantial percentage of perennial ryegrass and annual-perennial hybrids [49,57]. reference.allrefer.com /wildlife-plants-animals/plants/graminoid/lolper/all.html   (4131 words)

Perennial Rye Grass Resources   (Site not responding. Last check: 2007-10-09) Lolium perenne L. - Perennial Rye Grass, English Rye Grass. Lolium perenne L. -- italian ryegrass, perennial rye grass, perennial ryegrass... Lolium rigidum - annual or Wimmera rye grass... www.everythinggrass.info /perennial-rye-grass   (1387 words)

New Disease Reports - First report of Rhizoctonia zeae on Lolium perenne and Festuca sp. in Hungary First report of Rhizoctonia zeae on Lolium perenne and Festuca sp. The symptoms observed were necrotic lesions on the roots and stems, as well as brown lesions on the leaves. zeae isolate was determined on a mixture of Lolium perenne, Festuca rubra and Poa pratensis seedlings. www.bspp.org.uk /ndr/jan2005/2004-81.asp   (449 words)

ICPP98 Paper Number 6.124   (Site not responding. Last check: 2007-10-09) The fungi are strictly seed transmitted and can enhance their host’s resistance against biotic and abiotic stresses, but may also produce alkaloids toxic to livestock. The objective of this paper was to investigate on the distribution of Neotyphodium in European Lolium perenne ecotypes and varieties, respectively. Materials and methods Seed lots of 84 Lolium perenne cultivars from the German list of registered cultivars (Beschreibende Sortenliste) and 53 Rumanian ecotypes were examined for endophyte presence. www.bspp.org.uk /icpp98/6/124.html   (471 words)

Lolium perenne - Perennial ryegrass (Poaceae) - Plants of Hawaii - Thumbnail Images   (Site not responding. Last check: 2007-10-09) Lolium perenne - Perennial ryegrass (Poaceae) - Plants of Hawaii - Thumbnail Images More images of Lolium perenne - Perennial ryegrass (Poaceae) on the web Page created November 01, 2002 by Starr, and last updated June 19, 2006 by Starr. www.hear.org /starr/hiplants/images/thumbnails/html/lolium_perenne.htm   (118 words)

ARS | Publication request: Qtl Mapping of Traits Differentiating Turf-Type Lolium Perenne and Lolium Multiflorum Technical Abstract: Ryegrasses (Lolium spp.) are cool-season grasses used for both turf and pasture. Quantitative trait loci (QTLs) were identified for twenty traits related to flowering, plant size, plant appearance and seed yield in ryegrass using a turf-type perennial (Lolium perenne L.) x annual (or Italian) (Lolium multiflorum Lam.) hybrid mapping population. The objective of this ongoing research was to identify candidate gene regions associated with differences between turf-type perennial ryegrass and forage-type annual ryegrass. www.ars.usda.gov /research/publications/publications.htm?SEQ_NO_115=190969   (277 words)

Grass Genera of the World - Lolium L. Lolium L. Latin Lolium: name given by Virgil to a troublesome weed. • Abaxial epidermis of leaf blade (L. perenne). Abaxial epidermis of leaf blade (L. perenne, detail). delta-intkey.com /grass/www/lolium.htm   (669 words)

Physical and Genetic Mapping in the Grasses Lolium perenne and Festuca pratensis -- King et al. 161 (1): 315 -- Genetics Physical and Genetic Mapping in the Grasses Lolium perenne and Festuca pratensis -- King et al. Physical map of the Festuca chromosome in the monosomic substitution line BC Physical and genetic distances for each segment are shown on the left. Horizontal fl arrows indicate sites of recombination between Festuca and Lolium (numbers over the lines show the BC plant from which the segment was obtained). www.genetics.org /cgi/content/full/161/1/315   (5273 words)

67.0.1.T.013 Cynosurus mottle virus Lolium perenne, Lolium multiflorum × L. perenne - chlorotic leaf mottling. perenne, or Lolium perenne, or Phleum arenarium, or Poa annua, or Secale cereale, or Triticum aestivum. Species inoculated with virus, but tested not to be susceptible: Bromus mollis, or Dactylis glomerata, or Echinochloa colona, or Echinochloa crus-galli, or Elytrigia repens, or Festuca pratensis, or Lamarckia aurea, or Lolium multiflorum, or Lolium perenne, or Oryza sativa, or Panicum miliaceum, or Poa annua, or Setaria italica, or Setaria viridis, or Zea mays. www.ictvdb.rothamsted.ac.uk /ICTVdB/6701t013.htm   (482 words)

Short-term Changes in Xylem N Compounds in Lolium perenne Following Defoliation -- THORNTON and MACDUFF 89 (6): 715 -- ... Bigot J, Lefevre J, Boucaud J. Changes in the amide and amino acid composition of xylem exudate from perennial ryegrass (Lolium perenne L.) during regrowth after defoliation. Schäufele R, Schnyder H. Cell growth analysis during steady and non-steady growth in leaves of perennial ryegrass (Lolium perenne L.) subject to defoliation. Schulte auf’m Erley G, Rademacher I, Kühbauch W. Growth response of Lolium perenne L. and Festuca rubra L. seedlings to differing nitrogen nutrition. aob.oxfordjournals.org /cgi/content/full/89/6/715   (5072 words)

Species: Some authors consider Italian ryegrass to be a variety or subspecies of perennial ryegrass (L. perenne) [20,21,61,64]. However, Terrell [59], who wrote the monograph for the Lolium genus in 1968, provisionally considered them separate species and listed the primary distinguishing characteristics. Recent genetic work indicates that they are distinct species, both possibly originating from a common ancestor, Wimmera ryegrass (L. rigidum) [8,41]. www.fs.fed.us /database/feis/plants/graminoid/lolmul/all.html   (3175 words)

Molecular Plant Breeding I. Introgression of Festuca pratensis chromosomes and chromosome segments in Lolium perenne. Smith KF, Kearney GA (2000) The distribution of errors associated with genotype and environment during the prediction of the water-soluble carbohydrate concentration of perennial ryegrass cultivars using near infrared reflectance spectroscopy. Smith KF, McFarlane NM, Croft VM, Trigg PJ, Kearney GA (2003) The effects of ploidy and seed mass on the emergence and early vigour of perennial ryegrass (Lolium perenne L.) cultivars. www.molecularplantbreeding.com /publications/tech.asp   (5267 words)

Plant Viruses Online - Cynosurus mottle (?) sobemovirus First reported in Cynosurus cristatus, Lolium perenne; from the U.K.; by A'Brook (1972). Lolium perenne, Lolium multiflorum × L. perenne - chlorotic leaf mottling. Elytrigia repens, Bromus mollis, Dactylis glomerata, Lolium multiflorum, Setaria italica. image.fs.uidaho.edu /vide/descr279.htm   (270 words)

Lolium perenne (Poaceae) - HEAR species info   (Site not responding. Last check: 2007-10-09) Nomenclatural information about Lolium perenne is provided by ITIS. Copyright-free images of (or related to) Lolium perenne (Poaceae) (perennial ryegrass) by Forest and Kim Starr (USGS) are presented online. The Global Compendium of Weeds* cites references to Lolium perenne as a weed (*an early draft). www.hear.org /species/lolium_perenne   (291 words)

Inhibition of nitrate influx by glutamine in Lolium perenne depends upon the contribution of the HATS to the total ... Inhibition of nitrate influx by glutamine in Lolium perenne depends upon the contribution of the HATS to the total influx -- Thornton 55 (397): 761 -- Journal of Experimental Botany Inhibition of nitrate influx by glutamine in Lolium perenne depends upon the contribution of the HATS to the total influx perenne this is not universally observed for all species. jxb.oxfordjournals.org /cgi/content/full/55/397/761   (4793 words)

Comparison of Early Development of Three Grasses: Lolium perenne, Agrostis stolonifera and Poa pratensis -- FUSTEC et ... Comparison of Early Development of Three Grasses: Lolium perenne, Agrostis stolonifera and Poa pratensis -- FUSTEC et al. Comparison of Early Development of Three Grasses: Lolium perenne, Agrostis stolonifera and Poa pratensis perenne, and on the main stem and first primary tillers of A. aob.oxfordjournals.org /cgi/content/abstract/96/2/269   (318 words)

Information Bridge: DOE Scientific and Technical Information In this study, the photosynthetic responses of field grown Lolium perenne to ambient (354{mu}mol mol{sup -1}) and elevated (600{mu}mol mol{sup -1}) C{sub a} were measured. The experiment utilized the FACE facility at Eschikon, Switzerland; here the L. Perenne swards had been grown at two nitrogen treatments, with six cuts per year, for 4 years. The study revealed a significant decrease in Rubisco activity (Vcmax) in the low nitrogen FACE plots; this is consistent with the theories of source-sink imbalance resulting in feedback inhibition and down-regulation. www.osti.gov /bridge/product.biblio.jsp?osti_id=434436   (350 words)

Lolium perenne Lemma without awn (not aristate) (see Lolium multiflorum). Hybridizes with Lolium multiflorum: Lolium x hybridum Hausskn. These opportunities of hybridization are used in artificial breeding to get hybrids more resistant to drought (x Festulolium), more persistant (x Festulolium holmberii) or more productive (Lolium x hybridum). www.fao.org /ag/agp/AGPC/doc/gbase/data/pf000449.htm   (503 words)

Lolium perenne   (Site not responding. Last check: 2007-10-09) Taxonomic note: here treated as a seperate species from L multiflorum which is sometimes treated as L perenne ssp multiflorum Skye ID: Spikelets alternating up the axis, with only one glume except for the terminal spikelet which has two. It can hybridise in the wild with L multiflorum, and there are also hybrid cultivars. www.plant-identification.co.uk /skye/gramineae/lolium-perenne.htm   (94 words)

Recovery from drought stress in Lolium perenne (Poaceae): are fungal endophytes detrimental? -- Cheplick 91 (12): 1960 ... Recovery from drought stress in Lolium perenne (Poaceae): are fungal endophytes detrimental? Perennial ryegrass (Lolium perenne) is a cool-season, perennial Key Words: drought stress • endophytes • forage crop • Lolium perenne • Poaceae • storage • turfgrass www.amjbot.org /cgi/content/abstract/91/12/1960   (383 words)

Plant Viruses Online - Ryegrass mosaic rymovirus First reported in Lolium multiflorum; from Washington state U.S.A; by Bruehl et al. Avena sativa, Lolium multiflorum - systemic mosaic, necrotic flecking and striping. Virions filamentous; not enveloped; usually flexuous; with a clear modal length; of 700 nm; 15 nm wide. image.fs.uidaho.edu /vide/descr705.htm   (277 words)

Herbicide Resistant Weeds Perennial Ryegrass (Lolium perenne) is a monocot weed in the Poaceae family. In Texas this weed first evolved resistance to Group B/2 herbicides in 1989 and infests roadsides. Mechanism of paraquat tolerance in Conyza bonariensis and in Lolium perenne. www.weedscience.org /Case/Case.asp?ResistID=397   (612 words)

Forage Seed and Cereal Research : People & Places Qtl Mapping of Traits Differentiating Turf-Type Lolium Perenne and Lolium Multiflorum - (Abstract) - (30-Nov-05) Mapping of Quantitative Trait Loci (Qtl) for Winter Hardiness in Perennial Ryegrass (Lolium Perenne L.) - (Abstract) Genetic Variability and Qtl Mapping of Resistance to Gray Leaf Spot in a Lolium Pseudo-Testcross Population. www.ars.usda.gov /pandp/people/publications.htm?personid=287&pf=1   (980 words)

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