Details for: PI 537566, Lolium perenne L., 'OMEGA II'


Summary Data
Taxonomy:
Lolium perenne L.
Cultivar:
'OMEGA II'
Origin:
Developed – Oregon, United States
Received by NPGS:
22 Feb 1990
Improvement Status:
Cultivar
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Availability
FormQuantityNoteInventoryCart
Seed100 countPI 537566 2006i SD
Seed available for distribution is a limited resource. The quantity of seed distributed is hopefully sufficient to conduct the intended research. If additional seed is required, the recipient is urged to grow and reproduce the seed. Repeated requests for seed of the same accession will not be honored.
  
Images (2 total. Click on image for more.)

PLANT

Core Passport Data
Taxonomy:
Lolium perenne L.
Cultivar:
'OMEGA II'
Origin:
Developed – Oregon, United States
Received by NPGS:
22 Feb 1990
Improvement Status:
Cultivar
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Source History
Developed
PRE 22 February 1990.
Oregon, United States

Developer(s):
Donated
22 February 1990.
Oregon, United States

Donor(s):
Accession Names and Identifiers
'OMEGA II'
Type: Cultivar name

W6 4079
Type: Site identifier
Group: W6
Western Regional Plant Introduction (W6) accession numbers
USDA-ARS, WRPIS

Narrative
Maturity medium-early, attractive dark green color. Fine-leaved turf which does not become excessively stemmy in late spring like early maturing cultivars and results in good spring density. Very good resistance to stem and crown rusts and improved resistnce to brown patch, red thread, and Fusarium patch. Good wear tolerance. Used for home lawns, athletic fields, and golf course tees, fairways, and cart paths
Lolium perenne L.
Genus:
Lolium
Family:
Poaceae (alt. Gramineae)
Subfamily:
Pooideae
Tribe:
Poeae
Subtribe:
Loliinae
Nomen number:

22494
Place of publication:

Sp. pl. 1:83. 1753
Verified:
05/08/1992 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Autonym(s)
Lolium perenne L. subsp. perenne

Heterotypic Synonym(s)
Lolium boucheanum Kunth
Lolium marschallii Steven

Common names
LanguageNameAlternate namenoteseqCitation
EnglishEnglish ryegrass  1Rehm, S. 1994. Multilingual dictionary of agronomic plants
Englishperennial ryegrass  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
Afrikaansmeerjarige raaigras  2Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12
Arabicgazun  2Boulos, L. & M. N. El-Hadidi. 1984. The weeds of Egypt.
English (Canada)perennial rye grass Agriculture & Agri-Food Canada official name2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30.
Frenchivraie vivace  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Frenchray-grass anglais  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
French (Canada)ivraie vivace Agriculture & Agroalimentaire Canada nom officiel2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30.
Germandeutsches Weidelgras  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Germanenglisches Raygras  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Italianloglio perenne  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Japanese Rōmajihoso-mugi  2Ohwi, J. 1965. Flora of Japan (Engl. ed.).
Portugueseazevém-vivaz  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Portugueselólio-perenne  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanishballico perenne  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanishcésped inglés  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanishraygras  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedishengelskt rajgräs  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinesehei mai cao  2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Transcribed Koreanhomilpul  2Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:106.
Annotations
Other Links
Storage Information Form
Actions
Pathogens
Vouchers
Citations
Pedigree
Description:
Advanced generation synthetic
Intellectual Property Rights
Crop Science Registration. CV-147, OTHER GRASSES. Issued: 01 Sep 1991.
  • Rose-Fricker, C. A. & W. A. Meyer. 1991. Omega II Perennial Ryegrass. Crop Sci. (Madison) 31(5):1383. Note: CV-147

U.S. Plant Variety Protection
PVP 8400141
Variety: Omega II
Taxonomy: Lolium perenne L.
Experimental name/synonym: NA
Crop: RYEGRASS, PERENNIAL
Applicant: Pure-Seed Testing, Inc.
Date filed: 08/22/1984
Date issued: 09/27/1985
Status: Certificate Expired
Status date: 09/27/2003

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
MORPHOLOGYSeed weight 100Weight of 100 seeds in grams.0.21 GRASS.SEEDWEIGHT.WRPISPI 537566 2006i SD