Details for: 14G2000254, Lolium perenne L., 'Delray'

Summary Data

Taxonomy:

Lolium perenne L.

Cultivar:

'Delray'

Origin:

Origin – United States

Maintained:

OSEVA PRO Ltd. Grassland Research Institute

Received by CRI:

1991

Improvement Status:

Advanced/improved cultivar

Life form:

Perennial

Growth class:

winter

Is Core:

Form Received:

Seed

Availability

Form	Quantity	Note	Inventory	Cart
Seed	0.2 gram		14G2000254

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.

There are no images for this accession.

Core Passport Data

Taxonomy:

Lolium perenne L.

Cultivar:

'Delray'

Origin:

Origin – United States

Maintained:

OSEVA PRO Ltd. Grassland Research Institute

Received by CRI:

1991

Improvement Status:

Advanced/improved cultivar

Life form:

Perennial

Growth class:

winter

Is Core:

Form Received:

Seed

Source History

Developed

United States

Donated

United States

Accession Group(s)

Group name: Trávy
Note: Grasses
To search for accessions in this group, click the following link. Trávy

Accession Names and Identifiers

'Delray'

Type: Cultivar name

Lolium perenne

Type: Full taxon

Narrative

Curator: Simona Raab, OSEVA PRO Ltd. Grassland Research Institute (CZE082) raab@oseva.cz

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

Protologue link:

https://biodiversitylibrary.org/page/358102

Typification:

View in Linnean Typification Project

Verified:

May 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

LANGUAGE	NAME	NOTE	SEQ	CITATION
English	English ryegrass		1	Rehm, S. 1994. Multilingual dictionary of agronomic plants
English	perennial ryegrass		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
Afrikaans	meerjarige raaigras		2	Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12
Arabic	gazun		2	Boulos, L. & M. N. El-Hadidi. 1984. The weeds of Egypt.
English (Canada)	perennial rye grass	Agriculture & Agri-Food Canada official name	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30.
French	ivraie vivace		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
French	ray-grass anglais		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
French (Canada)	ivraie vivace	Agriculture & Agroalimentaire Canada nom officiel	2	Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30.
German	deutsches Weidelgras		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
German	englisches Raygras		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Italian	loglio perenne		2	International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Japanese Rōmaji	hoso-mugi		2	Ohwi, J. 1965. Flora of Japan (Engl. ed.).
Portuguese	azevém-vivaz		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Portuguese	lólio-perenne		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanish	ballico perenne		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanish	césped inglés		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanish	raygras		2	Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedish	engelskt rajgräs		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinese	hei mai cao		2	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Transcribed Korean	homilpul		2	Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:106.

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study
BIOLOGY	032 Lodging - resistance	Before the first conservation cut.	7 - high	1997 OSEVA PRO Ltd. Grassland Research Station (6)
BIOLOGY	038 Winter hardiness	Field resistance.	7 - high 71 - 80 (%)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	001 Plant - vegetative growth habit	In the autumn of the sowing year. fig.1	1 - erect < 25 (°)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	007 Stem - length	At beginning of flowering in the 1st year after sowing.Length including inflorescence.	5 - medium 676 - 850 (mm)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	009 Stem - number of leaves	At beginning of flowering in the 1st year after sowing.	5 - medium 3,1 - 4	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	011 Leaf - width of flag leaf	At beginning of flowering in the 1st year after sowing.	3 - narrow 3,6 - 5,0 (mm)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	012 Leaf - length of flag leaf	At beginning of flowering in the 1st year after sowing.	3 - short 101 - 140 (mm)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	013 Leaf - width of the second leaf (from the top)	At beginning of flowering in the 1st year after sowing.	3 - narrow 3,6 - 5,0 (mm)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	014 Leaf - length of the second leaf (from the top)	At beginning of flowering in the 1st year after sowing.	3 - short 101 - 140 (mm)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	020 Inflorescence - length	At beginning of flowering in the 1st year after sowing.	5 - medium 181 - 220 (mm)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	028 Spring growth rate	Evaluated when the earliest variety has reached 20 cm of sward height. fig.2	7 - rapid 16 - 20 (cm)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
MORPHOLOGY	036 Persistence - at conservation management	Living ground cover of sown species. At perennial grasses in the 3rd harvest year.	3 - low 31 - 40 (%)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PHENOLOGY	029 Time of inflorescence emergence	Number of days from the 1st April. When beginning has been reached at 10% stems in the plot. At single plants - when the tip of 3 inflorescences is just visible. fig.3	5 - medium 47 - 53 (days)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PHENOLOGY	031 Abundance of inflorescence emergence	Estimate of number of flowering stems.m-2 at heading.	9 - very high > 2000	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PHENOLOGY	033 Regrowth after cutting - at conservation management	Based on regrowth bulk 2 weeks after cut.	9 - very high	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PHENOLOGY	034 Regrowth after cutting - at frequent cutting management	Based on regrowth bulk 1 week after cut.	3 - low	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PRODUCTION	056 Sward - total DM yield/year		6 - medium to high 1,11 - 1,3 (kg.m2)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PRODUCTION	057 Sward - percentage of the 1st cut DM yield on total yield		9 - very high > 75 (%)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PRODUCTION	059 Sward - total DM yield/year		5 - medium 0,71 - 0,85 (kg.m2)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PRODUCTION	060 Sward - percentage of the 1st cut DM yield on total yield		7 - high 26 - 30 (%)	1997 OSEVA PRO Ltd. Grassland Research Station (6)
PRODUCTION	065 Sward - 1000 seeds weight (TSW)	TSW - caryopsis according to the descriptor no. 25	4 - low to medium 1,51 - 2,2 (g)	1997 OSEVA PRO Ltd. Grassland Research Station (6)