May 26, 2011 owor be, shepherd dn, taylor nj, edema r, monjane al, thomson ja, martin dp, varsani a 2007 successful application of fta classic card technology and use of bacteriophage phi29 dna polymerase for largescale field sampling and cloning of complete maize streak virus genomes. Roots often fill all the surface soil space between plants. Development of seinet, symbiota, and several of the specimen databases have been supported by national science foundation grants dbi 99832, brc 0237418, dbi 0743827, dbi 0847966 symbiota, and several of the specimen databases have been supported by national science foundation grants dbi. Ecsv represents a new genuslevel geminivirus lineage, and has a mixture of features. Ecol soc jpn ed 2002 handbook of alien species in japan. Eragrostis species, african lovegrass, weeping love grass. In missouri, it is found throughout the state, most commonly in sandy, rocky or open ground and along roads, fencerows and railroads steyermark. Accordingly a bioinformatic program is helpful to select target sequences and. Ecsv eragrostis curvula streak virus reported for the first time in this. If a curvula type is mowed following flowering in late spring, it produces few or no additional heads until late summer. The grey plots represent analogous scans between 20 geminivirus. It can survive long dry periods, and recovers quickly after disturbance events e. Discovery of a new highly divergent geminivirus species. Eragrostis curvula perennial south african grass having densely clumped flimsy stems.
Eragrostis curvula is a species of grass known by the common name weeping lovegrass. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Consol mature seed head shown right was developed in the 1980s by the soil conservation service of nsw for revegetating sites which were too harsh for other perennial grasses. Eukaryotic circular repencoding singlestranded dna. A highly divergent south african geminivirus species. Subtropical warm season, c4 perennial grasses are traditionally grown in summer rainfall environments.
The dorsal area is flattened with a very slight depression across the middle. Eragrostis is commonly known as lovegrass or canegrass. Eragrostis curvula streak virus isolate eragrostis curvula south africag3822008 taxonomy navigation eragrostis curvula streak virus. Inflorescence paniculate, open or contracted, or reduced to a raceme. H, ikegami m, boulton mi, davies jw 1991 the nucleotide sequence and genome structure of the geminivirus miscanthus streak virus. Eragrostis curvula seeds african love grass, weeping love. Appearance eragrostis curvula is a warmseason, perennial grass that can grow to 4 ft. Plants profile for eragrostis curvula weeping lovegrass. Description of a novel monopartite geminivirus and. In its african home it is known as weeping love grass. The seeds appear to be of high nutritional value for some animals, but they are also very tiny and collecting them for human food is cumbersome and hence.
A superlative plant if given room to display its countless thin waving stems carrying masses of fine, almost smokelike, purplegrey seed heads. Eragrostis spectabilis, commonly called purple love grass, is a warm season bunchgrass that is native to sandy soils from maine to south dakota south to florida, texas, arizona and mexico. Some exotic ornamental plants behave badly when they escape from the place they are planted. Eragrostis curvula is usually a longlived perennial grass, but it is sometimes an annual plant. It forms large clumps with abundant drooping leaves at the base. How to grow eragrostis plants in your garden gardeners hq guide to growing lovegrass, candygrass, and stinkgrass. A highdensity linkage map of the forage grass eragrostis curvula and.
Identification and characterisation of a highly divergent geminivirus. The tufts may reach a diameter of 38 centimetres 1. The term cress dna viruses was coined in 2012 to refer to a group of singlestranded dna ssdna viruses encoding a replicationassociated protein rep that appears to be descended from a common ancestor. The plants database includes the following 79 species of eragrostis.
There are about 500 species, distributed in the subtropics, the tropics, and temperate regions. Beds and borders, city, containers, cottageinformal, foliage only, prairie planting. Leaves with ligule a rim of minute hairs or rarely membranous. Sv gel and pcr cleanup system promega following the manufacturers protocol. Annuals or perennials, usually tufted but of various habit. Furthermore, all opv1 sg molecules except sg 2 and 3 have a deletion. The genus becurtovirus has two viral species, beet curly top iran virus 28. Sheaths have long hairs inside the upper margin and along the collar. Flower removal, applied nitrogen, and partial nodule removal on nitrogen fixation and regrowth of phasey bean. African lovegrass ragrostis curvula summary african lovegrass eragrostis curvula is a morphologically variable perennial plant native to semiarid upland areas of subtropical southern and eastern africa.
Media in category eragrostis curvula the following 61 files are in this category, out of 61 total. Eragrostis curvula definition of eragrostis curvula by. Wo2016185411a1 method of inhibiting plant virus pathogen. Eragrostis grasses can either be hardy perennials or hardy annuals they reach a height of between 90 cm and 1. Eragrostis curvula introductory distribution and occurrence management considerations botanical and ecological characteristics fire ecology fire effects references introductory species. Other common names include boer lovegrass, curved lovegrass, catalina lovegrass, and african lovegrass it is native to southern africa. Provided by ars systematic botany and mycology laboratory. Eragrostis curvula seeds african love grass, weeping love grass plant world seeds. Related plants emelo ermelo morpa morpha totnes burgundy nursery. African lovegrass is not a prohibited or restricted invasive plant under the biosecurity act 2014.
However, by law, everyone has a general biosecurity obligation gbo to take reasonable and practical steps to minimise the risks associated with invasive plants and animals under their control. Eragrostis curvula streak virus isolate eragrostis curvulasouth. Eragrostis curvula definition of eragrostis curvula by the. Virus diseases of trifolium species in temperate australia. Eragrostis curvula african love grassrhs gardening. Weeping lovegrass produces an extensive thick mat of roots, which have made it useful for erosion control 3,58. Seed deposition of eragrostis curvula, an invasive alien.
Eragrostis curvula totnes burgundy love grass totnes burgundy will reach a height of 0. The first roots produced by weeping lovegrass seedlings are large and. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. This defective dna molecule carried a deletion of approximately 46% of the full length. African lovegrass eragrostis curvula is an invasive plant in queensland and is not a restricted or prohibited plant under queensland legislation. Eragrostis curvula synonyms, eragrostis curvula pronunciation, eragrostis curvula translation, english dictionary definition of eragrostis curvula. These viruses all apparently belong to a single divergent species of the family geminiviridae. Nees quotes numerous other localities, partly under e. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 412439 with original publication details. African lovegrass eragrostis curvula poa tussock has purplish rather than black young seed heads, and tends to be more upright and less weeping. Eragrostis curvula figure 2 is a perennial native to the old world hitchcock and chase 1971. This taxon was not selected in any one of four screening processes for highlighting potential taxa of conservation concern for detailed assessment and was hence given an automated status of.
Eragrostis curvula weeping lovegrass eragrostis cylindriflora cylinderflower lovegrass eragrostis deflexa pacific lovegrass eragrostis dielsii. Browse pictures and read growth cultivation information about eragrostis species, african lovegrass, weeping love grass eragrostis curvula supplied by member gardeners in the plantfiles databas. After removing the markers with missing data in the parental plants. Turnip curly top virus, a highly divergent geminivirus.
Seed deposition of eragrostis curvula, an invasive alien plant on a river floodplain article in ecological research 224. Mosaic virus, beet curly top virus, eragrostis curvula streak virus, maize streak virus. However, they can be successfully grown in the mediterranean environments due to a combination of drought tolerance and the mild winter conditions. Nees is an accepted name this name is the accepted name of a species in the genus eragrostis family poaceae. Its main growing season is from mid spring to mid autumn. Eragrostis parviflora tends to be a smaller plant with long, black to leadengrey coloured seed heads that are less spreading or more linear than those of african. Establishment of three new genera in the family geminiviridae. Except where otherwise noted, content on this site is licensed under a creative commons attribution cc by licence. It is variable in appearance, and there are many different natural and cultivated forms. Threatened species programme sanbi red list of south. Eragrostis curvula totnes burgundy love grass care plant. Click below on a thumbnail map or name for species profiles. A highdensity linkage map of the forage grass eragrostis curvula. By contrast, the ch type, commences flowering in spring, and continues to produce large numbers of inflorescences throughout the summer, with a much higher percentage of fertile tillers than in the curvula type.
We have characterised a new highly divergent geminivirus species, eragrostis curvula streak virus ecsv, found infecting a hardy perennial south african wild grass. Eragrostis curvula streak virus isolate eragrostis. The name of the genus is derived from the greek words. Viruses free fulltext a novel divergent geminivirus identified in. Eragrostis plant growing guide love grass, candygrass. Eragrostis a genus of plants of the family gramineae.
Description of a novel monopartite geminivirus and its defective. Eragrostis curvula was imported to this country in. As they come, however, entirely within the area indicated by the localities cited above, and as i am not certain as to the variety under which i should have to enumerate them, i preferred omitting them altogether. Infestations of these plants have negative impacts on natural environments. Discovery of a new geminivirus in mulberry affected by mosaic dwarf disease. Among plants viruses, those of the family geminiviridae are responsible for a. Shoop and mcilvain report that vertical roots may reach 15 feet 4. Eragrostis curvula is a hardy perennial grass with special attributes as both a pasture plant and a soil binder. Eragrostis grasses can either be hardy perennials or hardy annuals.
African lovegrass eragrostis curvula is an early coloniser of disturbed sites, and is typically found in sandy or gravely soils, on roadsides, along watercourses and in pastures. Ca 60,000 ha were grown in oklahoma and texas in 1968. Genus eragrostis can be annual or perennial grasses with linear leaves and dense branched flowering panicles in summer and autumn details e. Curiously, this virus, which we have tentatively named eragrostis minor streak virus emsv, was discovered in namibia, southern africaalmost as far from japan as it is possible to get within. Eragrostis curvula seeds african love grass, weeping. Eragrovirus is a genus of viruses, in the family geminiviridae. Targeting the tylcv ir region showed significant reduction of tylcv. Eragrostis article about eragrostis by the free dictionary.1139 1268 1068 105 723 1046 177 812 1404 95 255 616 301 1014 674 1084 1467 931 414 171 378 640 1242 949 719 1364 1210 1196 549 471 443 657 1495