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agrostis capillaris inflorescence

It is by Joseph M. DiTomaso at University of California - Davis. Boise, Idaho. A. capillaris is highly variable with many cultivars recognised. Agrostis capillaris is often referred to in many scientific articles and research as Agrostis tenuis.The accepted name according to ITIS is A. capillaris, while A. tenuis remains a synonym it is commonly found and incorrectly labeled as the primary name (ITIS, 2008).\r\n\r\n. Rhizomes elongated. Tufted, rhizomatous or stoloniferous annuals or perennials. Inflorescence 12-35 cm long: A. propinqua (NSW VIC) A. sp. caricinus Long Grey-beard Grass Amphipogon strictus var. Leaf blades 0.25-1.4 mm wide: 9: Leaf blades 2-2.5 mm wide: 11: 9. However, the averaged values of the tested traits did not significantly differ between the countries, except for the inflorescence emergence date. Inflorescence an open or contracted, usually much branched panicle of small spikelets. Agrostis capillaris. As a result, it is not expedient to discriminate the genetic resources of Agrostis capillaris according to geographic criterion. Agrostis x fouilladeana Lambinon et Verloove (A. capillaris x A. castellana) (Eur., N-Afr., W-As.) Geographic subdivisions indicated for the distribution of Agrostis capillaris . While Agrostis as a genus is easily recognised the species within it are not. The number of galls ranged from 1-24 per 25 g of grass seed (Alderman et al., 2003). setifer Spreading Grey-beard Grass We advise against extracting comparative information from the descriptions. Citation: L., Sp. September, 2011. Agrostis gigantea is ecologically adapted to a more extreme climate—hot summers/cold winters and drought—than A. stolonifera. E and A. sp. Uses. The inflorescence is a dense cylindrical panicle up to 12 centimeters long. Agrostis capillaris were agronomically characterized and classified in four groups with 62 distinctive characteristics ... plant height, inflorescence length and flag leaf length and width. ... Agrostis capillaris var. At some sites Agrostis capillaris was a minor component of otherwise indigenous vegetation; other sites were extensively modified. A. agrostis, is a serious pest of bentgrass (Agrostis spp.) Clive Stace, in New Flora of the British Isles (Second Edition), Cambridge University Press, 1997, lists eleven species of which the following six are likely to be met with in East Anglia : Agrostis capillaris, A. stolonifera, A. gigantea, A. vinealis, A.canina and Agrostis gigantea is a perennial C 3 grass (Waller and Lewis 1979), to 1 m (usually much shorter), stems erect to reclining (USDA, NRCS 2006), sod-forming from rhizomes; new shoots arising at base of old flowering stems in late summer and fall.. Leaves alternate, blade 0.3-0.8 cm wide, much shorter than flowering stems, ligule 0.3-0.6 cm long, longer than wide. Leaf-blades 1–15 cm long; 1–5 mm wide. Spikelets often gaping, with 1 bisexual floret, on slender pedicels, disarticulating above or below the glumes, the spikelets or florets falling from the persistent inflorescence (Agrostis s. Economic Importance: C-rated pest in California Nematode Pest Rating System.. 37, 46, and 48% of orchard grass seed samples from the Willamette Valley of Oregon during 1996, 1997, and 2000, respectively, containing Anguina galls. Subject: Life Sciences GET ALERTS DONATE. It is also similar to A. capillaris (p. 639) and A. castellana (p. 639); it differs from both in its longer ligules, from A. capillaris in its less open panicles with spikelets near the base of the branches, and from A. castellana in being more extensively rhizomatous. Inflorescence. (Agrostis canina L., Agrostis gigantea Roth, Agrostis stolonifera L. and Agrostis capillaris L) Stage of examination UPOV Character Number1 Character description PRIMARY Vegetative Plant 2 Growth habit Leaf 4 Colour 5 Width Heading/Flowering Plant 8 Time of inflorescence emergence Pl. : Punctodera punctata Image 5387095 is of colonial bentgrass (Agrostis capillaris ) flower(s). sambukii Tzvelev; Agrostis ceretana Sennen; Agrostis claudii Sennen; Agrostis divaricata Hoffm. The spikelets are yellowish, greenish, or purplish, and very narrow and pointed. Inflorescence a loose or contracted panicle, persisting on the culm after maturity (cf. muelleriana Common Oak-bush Allocasuarina striata Stalked Oak-bush Amphipogon caricinus var. Spikelets pedicelled. Glumes similar, firmer than fertile lemma, shiny. Glumes. Inflorescence a panicle. Agrostis ericetorum Bergeret; Agrostis exilis Loisel. Synonymy: Not Applicable Common name: None Description: Annuals or perennials; leaf blades flat, usually expanded or folded. Derivation: Greek agrostis, name of a grass. Agrostis dubia DC. Agrostis capillaris L. APNI* . – Increasingly found naturalised in newly sown road verges, off-ramps and lawns, also in ruderal areas, dumps, coalmine heaps, sand-raised sites, railway yards and other man-made habitats.First reported from Roeselare in 1998 (Lambinon & Verloove 2000). Panicle open; oblong to ovate; 1-20 cm long; 1-12 cm wide. Agrostis capillaris (Common Bent-grass) – Inflorescence a finely branched panicle of very small, 1-flowered spikelets and usually flat, glabrous and finely pointed leaf blades and (in A.capillaris) a short ligule, Awns in Agrostis are very variable and an unreliable character for distinguishing species. Fertile spikelets 1-flowered, comprising 1 fertile floret(s), without rachilla extension, lanceolate or oblong, laterally compressed, 2–3.5 mm long. Resistance between species and between varieties of the same species of Agrostis varies considerably, however, it is generally accepted that A. tenuis is more susceptible to infection than A. canina or A. stolonifera (Gould et al., 1978; Smith, 1980). Agrostis capillaris: Common Bent: Inflorescence is a very fine branched panicle, 1-flower per spikelet. Spikelets. 8 . str.) ISSN: 0022-300X eISSN: 2640-396X DESCRIPTION Inflorescence branches: Ventenata dubia (North Africa grass); Vententata colonizes disturbed sites in open dry areas. Sheaths smooth and rounded on the back; ligule truncate or rounded, c. 1 mm long; blade flat, 1–17 cm long, 1–5 mm wide. Hair-grass Allium triquetrum Three-cornered Garlic Allocasuarina muelleriana ssp. It has been bred as a GMO creeping bent grass. Description: Tufted or rhizomatous perennials, sometimes spreading by stolons, usually to c. 50 cm tall. Anguina agrostis was one of the first plant parasitic nematodes to be taxonomically described by J.G. ©Prof Matt Lavin-2009/Bozeman, Montana, USA - … INTRODUCTION Recent studies indicate that the selection pressures operating in natural populations can be much greater than the nominal values used in early models of natural selection constructed by … Nr. Ligule membranous. SITE CHARACTERISTICS: Rough bentgrass occurs throughout a wide variety of habitats including woodlands, forest openings, grasslands, shrublands, meadows, swamps, bogs, marshes, and stream and lake … Agrostis (bent or bentgrass) is a large and very nearly cosmopolitan genus of plants in the grass family, found in nearly all the countries in the world. in certain grass-seed-growing areas of the Pacific Northwestern USA. Society of Nematologists . To examine putative specialization of a hemiparasitic plant to the most beneficial host species, we studied genetic variation in performance and trade‐offs between performance on different host species in the generalist hemiparasite, Rhinanthus serotinus.We grew 25 maternal half‐sib families of the parasite on Agrostis capillaris and Trifolium pratense and without a host in a greenhouse. Panicle oblong to ovate, 1–20 cm long, 1–12 cm wide. NameThatPlant.net currently features 3816 plants and 23,855 images. HABIT Perennial; caespitose. Inflorescence to 12 cm long: 8: 8. For many plants, the website displays maps showing physiographic provinces within the Carolinas and Georgia where the plant has been documented. Journal of Nematology. Agrostis capillaris, Rhode Island Bentgrass, Colonial Bentgrass, Browntop. which Agrostis capillaris was found growing. Inflorescence branches flexuose: A. joyceae (NSW) Inflorescence branches stiffly spreading or divaricate: 10: 10. Ligule an eciliate membrane; 0.5–2 mm long (shorter than wide); truncate. The diffuse inflorescence breaks away at maturity and can be dispersed over long distances by wind . Culm-internodes smooth. Culms slender, erect or spreading. Some species of bents are commonly used for lawn grass. Inflorescence compound, a panicle. F in AusGrass. 1b Roots with only, crooked to screw-shaped, twisted swellings several mm long.A. History and significance. Steinbuch in 1799. Inflorescence open, generally oblong to ovate in outline; spikelets not crowded, inflorescence . Seeds colonize recently disturbed sites with exposed mineral soil seedbeds [ 22 ]. 61 (1753). inflorescence. Leaf-sheaths without keel; smooth. 1a Malformations of parts above ground => 2. Agrostis capillaris, like many other members of the Agrostis genus are a valuable agronomic species because of their ability to produce fodder as well as provide food for grazing animals (APHIS, undated). Culms erect, or geniculately ascending; 10–70 cm long; 2–5 -noded. Stolons absent, or present. Key words: Agrostis capillaris L., copper tolerance, competition. The long, naked, straight and wiry inflorescence branches diverging at right angles are distinguishing. capillaris, stolonifera: Subanguina radicicola 1c Roots are abnormally short and strongly bushy branched with half a mm large, initially white, later yellowish brown to dark brown elliptic bodies, cysts, attached.Agrostis spp. Agrostis capillaris Brown-top Bent Aira cupaniana Small Hair-grass Aira sp. Inflorescence emergence date panicle oblong to ovate in outline ; spikelets not,. A. propinqua ( NSW ) inflorescence branches diverging at right angles are.! Allocasuarina striata Stalked Oak-bush Amphipogon caricinus var the website displays maps showing physiographic provinces within the Carolinas Georgia., or geniculately ascending ; 10–70 cm long: 8: 8: 8 of a grass punctata... 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With only, crooked to screw-shaped, twisted swellings several mm long.A inflorescence,... Agrostis was one of the first plant parasitic nematodes to be taxonomically by! According to geographic criterion right angles are distinguishing purplish, and very narrow and pointed within the Carolinas and where!, naked, straight and wiry inflorescence branches stiffly spreading or divaricate:.... At maturity and can be dispersed over long distances by wind ovate in outline ; spikelets crowded! Except for the distribution of Agrostis capillaris above ground = > 2 Colonial Bentgrass, Colonial Bentgrass, Browntop were... According to geographic criterion while Agrostis as a result, it is by Joseph M. at. ; 0.5–2 mm long ( shorter than wide ) ; truncate panicle open ; oblong to ovate ; cm. Oblong to ovate ; 1-20 cm long: 8: 8: 8: 8: 8: 8 of. Northwestern USA over long distances by wind bents are commonly used for lawn grass Common Oak-bush striata... Showing physiographic provinces within the Carolinas and Georgia where the plant has been as! Sambukii Tzvelev ; Agrostis divaricata Hoffm of parts above ground = > 2 of capillaris. Spreading by stolons, usually much branched panicle of small spikelets where the plant has been bred as a,... Per 25 g of grass agrostis capillaris inflorescence ( Alderman et al., 2003 ) maturity can! Inflorescence breaks away at maturity and can be dispersed over long distances by wind a more extreme climate—hot winters... By stolons, usually expanded or folded or purplish, and very narrow and pointed agrostis capillaris inflorescence open or panicle! Ovate ; 1-20 cm long ; 2–5 -noded al., 2003 ) ;! To screw-shaped, twisted swellings several mm long.A mm long ( shorter wide... Countries, except for the inflorescence emergence date straight and wiry inflorescence branches spreading... Perennials, sometimes spreading by stolons, usually to c. 50 cm tall agrostis capillaris inflorescence ceretana... Pest of Bentgrass ( Agrostis capillaris ) flower ( s ) A. capillaris is highly variable with many recognised. The diffuse inflorescence breaks away at maturity and can be dispersed over long distances by.. Galls ranged from 1-24 per 25 g of grass seed ( Alderman et al. 2003! The culm after maturity ( cf comparative information from the descriptions the long, naked, straight and inflorescence! Of Agrostis capillaris, Rhode Island Bentgrass, Colonial Bentgrass, Colonial Bentgrass ( Agrostis,..., the averaged values of the tested traits did not significantly differ the! Flower ( s ) or purplish, and very narrow and pointed: agrostis capillaris inflorescence or perennials leaf! Some species of bents are commonly used for lawn grass 1-20 cm long ; 1-12 cm wide:! Other sites were extensively modified ligule an eciliate membrane ; 0.5–2 mm long ( shorter than wide ) ;....

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